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ds04-27404-3ea fujitsu microelectronics data sheet copyright?1992-2008 fujitsu microelectronics limited all rights reserved 2006.5 assp for power supply applications bipolar power voltage monitoring ic with watchdog timer mb3793 -27a description the mb3793 is an integrated circuit to monitor power voltage; it incorporates a watchdog timer. a reset signal is output when the power is cut or falls abruptly. when the power recovers normally after resetting, a power-on reset signal is output to microprocessor units (mpus). an internal watchdog timer with two inputs for system operation diagnosis can provide a fall-safe function for various application systems. there is also a mask option that can detect voltages of 4.9 to 2.4 v in 0.1-v steps. features ? precise detection of power voltage fall: 2.5% detection voltage with hysteresis low power dispersion: i cc = 31 a (reference) internal dual-input watchdog timer watchdog-timer halt function (by inhibition pin) independently-set wacthdog and reset times three types of packages (sop-8pin : 2 types, ssop-8pin : 1 type) application arcade amusement etc.
mb3793 -27a 2 pin assignment pin description pin no. symbol descriptions pin no. symbol descriptions 1 reset outputs reset pin 5 v cc power supply pin 2ctw watchdog timer monitor time setting pin 6 inh inhibit pin 3ctp power-on reset hold time setting pin 7 ck2 inputs clock 2 pin 4 gnd ground pin 8 ck1 inputs clock 1 pin reset ctw ctp gnd ck1 ck2 inh v cc (fpt-8p-m01) (fpt-8p-m02) (fpt-8p-m03) (top view) 1 2 3 4 8 7 6 5
mb3793 -27a 3 block diagram i 1 = 3 a . . i 2 = 30 a . . r 1 = 295 k ? . . 3 1 6 2 8 7 5 4 ctp to v cc of all blocks pulse generator 1 watchdog timer reference voltage generator to gnd of all blocks pulse generator 2 output circuit logic circuit reset inh ctw ck1 ck2 v cc gnd comp.s ? + v s v ref = 1.24 v . . r 2 = 240 k ? . .
mb3793 -27a 4 block description 1. comp. s comp. s is a comparator with hysteresis to compare the reference voltage with a voltage (v s ) that is the result of dividing the power voltage (v cc ) by resistors 1 and 2. when v s falls below 1.24 v, a reset signal is output. this function enables the mb3793 to detect an abnomality within 1 s when the power is cut or falls abruptly. 2. output circuit the output circuit contains a reset output control comparator that compares the voltage at the ctp pin to the threshold voltage to release the reset output if the ctp pin voltage exceeds the threshold value. since the reset (reset ) output buffer has cmos organization, no pull-up resistor is needed. 3. pulse generator the pulse generator generates pulses when the voltage at the ck1 and ck2 clock pins changes to high from low level (positive-edge trigger) and exceeds the threshold voltage; it sends the clock signal to the watchdog timer. 4. watchdog timer the watchdog timer can monitor two clock pulses. short-circuit the ck1 and ck2 clock pins to monitor a single clock pulse. 5. inhibition pin the inhibition (inh) pin forces the watchdog timer on/off. when this pin is high level, the watchdog timer is stopped. 6. logic circuit the logic circuit contains flip-flops. flip-flop rsff1 controls the charging and discharging of the power-on reset hold time setting capacitor (c tp ). flip-flop rsff2 turns on/off the circuit that accelerates charging of the power-on reset hold time setting capacitor (c tp ) at a reset. the rsff2 operates only at a reset; it does not operate at a power-on reset when the power is turned on.
mb3793 -27a 5 absolute maximum ratings *: the voltage is based on the ground voltage (0 v). warning: semiconductor devices can be permanently damaged by application of stress (voltage, current, temperature, etc.) in excess of absolute maximum ratings. do not exceed these ratings. recommended operating conditions *: the watchdog timer monitor time range depends on the rating of the setting capacitor. warning: the recommended operating conditions are required in order to ensure the normal operation of the semiconductor device. all of the device?s electrical characteristics are warranted when the device is operated within these ranges. always use semiconductor devices within their recommended operating condition ranges. operation outside these ranges may adversely affect reliability and could result in device failure. no warranty is made with respect to uses, operating conditions, or combinations not represented on the data sheet. users considering application outside the listed conditions are advised to contact their representatives beforehand. parameter symbol conditions rating unit min max power supply voltage* v cc ??0.3+7 v input voltage* ck1 v ck1 ? ?0.3 +7 v ck2 v ck2 ? inh i inh ? reset output current reset i ol i oh ? ?10 +10 ma power dissipation p d ta +85 c? 200 mw storage temperature tstg ? ?55 +125 c parameter symbol conditions value unit min typ max power supply voltage v cc ? 1.2 ? 6.0 v reset (reset ) output current i ol i oh ??5?+5ma power-on reset hold time setting capacity c tp ?0.001?10 f watchdog-timer monitoring time setting capacity* c tw ?0.001? 1 f operating ambient temperature ta ? ?40 ? +85 c
mb3793 -27a 6 electrical characteristics 1. dc characteristics (v cc = +3.3 v, ta = +25 c) *: the values enclosed in parentheses ( ) are setting assurance values. 2. ac characteristics (v cc = +3.3 v, ta = +25 c) *1:the voltage range is 10% to 90% at testing the reset output transition time. *2:the values enclosed in parentheses ( ) are setting assurance values. parameter symbol conditions value unit min typ max power supply current i cc after exit from reset ? 31 55 a detection voltage v sl v cc falling ta = +25 c 2.63 2.70 2.77 v ta = ?40 c to +85 c (2.59)* 2.70 (2.81)* v sh v cc rising ta = +25 c 2.69 2.76 2.87 v ta = ?40 c to +85 c (2.65)* 2.76 (2.87)* detection voltage hysteresis difference v shys v sh ? v sl 35 65 95 mv clock-input threshold voltage v cih ck rising (0.7)* 1.3 1.9 v v cil ck falling 0.5 1.0 (1.5)* v clock-input hysteresis v chts ?(0.1)*0.3(0.6)*v inhibition-input voltage v iih ?2.2?? v v iil ??00.8 input current (ck1, ck2, inh) i ih v ck = 5 v ? 0 1.0 a i il v ck = 0 v ?1.0 0 ? a reset output voltage v oh i reset = ?5 ma 2.8 3.10 ? v v ol i reset = +5 ma ? 0.12 0.4 v reset-output minimum power voltage v ccl i reset = +50 a?0.81.2v parameter symbol conditions value unit min typ max power-on reset hold time t pr c tp = 0.1 f 30 75 120 ms v cc input pulse width t pi c tp = 0.1 f (8)* 2 ?? s v cc delay time t pd c tp = 0.1 f?2 (10)* 2 s watchdog timer monitor time t wd c tw = 0.01 f, c tp = 0.1 f 81624ms watchdog timer reset time t wr c tp = 0.1 f25.59ms clock input pulse width t ckw ?500??ns clock input pulse cycle t ckt ?20?? s reset (reset ) output transition time rising t r * 1 c l = 50 pf ? ? 500 ns falling t f * 1 c l = 50 pf ? ? 500 ns
mb3793 -27a 7 diagram 1. basic operation (positive clock pulse) ctp reset inh ctw ck1 ck2 v sh v cc v sl v th v h v l (1) (2) (3) (4)(5) (5) (6) (7) (8) (9) (10) (11) (12) (13) t pr t wd t pr t wr t ckw t ckt
mb3793 -27a 8 2. basic operation (negative clock pulse) ctp reset inh ctw ck1 ck2 v sh v cc v sl v th v h v l t pr t wd t pr t wr t ckw t ckt (1) (2) (3) (4)(5) (5) (6) (7) (8) (9) (10) (11) (12) (13)
mb3793 -27a 9 3. single-clock input monitoring (positive clock pulse) ctp reset ctw ck1 v th v h v l ck2 t wr t wd t ckt t ckw note : the mb3793 can monitor only one clock. the mb3793 checks the clock signal at every other input pulse. therefore, set watchdog timer monitor time t wd to the time that allows the mb3793 to monitor the period twice as long as the input clock pulse.
mb3793 -27a 10 4. inhibition operation (positive clock pulse) ctp reset inh ctw ck1 ck2 v sh v cc v sl v th v h v l t pr t wd t pr t wr t ckw (1) (2) (3) (4)(5) (5) (6) (7) (11) (8) (9) (10) (12) (13) t ckt
mb3793 -27a 11 5. clock pulse input supplementation (positive clock pulse) operation sequence 1. positive clock pulse input see ?1. basic operation (positive clock pulse)? under ? diagram.? 2. negative clock pulse input see ?2. basic operation (negative clock pulse)? under ? diagram.? the mb3793 operates in the same way whether it inputs positive or negative pulses. 3. clock monitoring to use the mb3793 while monitoring only one clock, connect clock pins ck1 and ck2. although the mb3793 operates basically in the same way as when monitoring two clocks, it monitors the clock signal at every other input pulse. see ?3. single-clock input monitoring (positive clock pulse)? under ? diagram.? 4. description of operations the numbers given to the following items correspond to numbers (1) to (13) used in ? diagram.? (1) the mb3793 outputs a reset signal when the supply voltage (v cc ) reaches about 0.8 v (v ccl ) (2) if v cc reaches or exceeds the rise-time detected voltage v sh , the mb3793 starts charging the power-on reset hold time setting capacitor c tp . at this time, the output remains in a reset state. the v sh value is about 2.76 v. ctw ck1 *1 *2 ck2 v h v l note : the mb3793 watchdog timer monitors clock1 (ck1) and clock2 (ck2) pulses alternately. when a ck2 pulse is detected after detecting a ck1 pulse, the monitoring time setting capacity (c tw ) switches to charging from discharging. when two consecutive pulses occur on one side of this alternation before switching, the second pulse is ignored. in the above figure, pulse *1 and *2 are ignored.
mb3793 -27a 12 (3) when c tp has been charged for a certain period of time t pr (until the ctp pin voltage exceeds the threshold voltage (v th ) after the start of charging), the mb3793 cancels the reset (setting the reset pin to ?h? level from ?l? level). the v th value is about 2.4 v with v cc = 3.3 v the power-on reset hold time t pr is set with the following equation: t pr (ms) a c tp ( f) the value of a is about 750 with v cc = 3.3 v and about 700 with v cc = 3.0 v. the mb3793 also starts charging the watchdog time setting capacitor (c tw ). (4) when the voltage at the watchdog timer monitor time setting pin ctw reaches the ?h? level threshold voltage v h , the c tw switches from the charge state to the discharge state. the value of v h is always about 1.24 v regardless of the detected voltage. (5) if the ck2 pin inputs a clock pulse (positive edge trigger) when the c tw is being discharged in the ck1-ck2 order or simultaneously, the c tw switches from the discharge state to the charge state. the mb3793 repeats operations (4) and (5) as long as the ck1/ck2 pin inputs clock pulses with the system logic circuit operating normally. (6) if no clock pulse is fed to the ck1 or ck2 pin within the watchdog timer monitor time t wd due to some problem with the system logic circuit, the ctw pin is set to the ?l? level threshold voltage v l or less and the mb3793 outputs a reset signal (setting the reset pin to ?l? level from ?h? level). the value of v l is always about 0.24 v regardless of the detected voltage. the watchdog timer monitor time t wd is set with the following equation: t wd (ms) b c tw ( f) the value of b is hardly affected by the power supply voltage; it is about 1600 with v cc = 3.0 v to 3.3 v. (7) when a certain period of time t wr has passed (until the ctp pin voltage reaches or exceeds vth again after recharging the c tp ), the mb3793 cancels the reset signal and starts operating the watchdog timer. the watchdog timer monitor reset time t wr is set with the following equation: t wr (ms) d x c tp ( f) the value of d is 55 with v cc = 3.3 v and about 50 with v cc = 3.0 v. the mb3793 repeats operations (4) and (5) as long as the ck1/ck2 pin inputs clock pulses. if no clock pulse is input, the mb3793 repeats operations (6) and (7). (8) if v cc is lowered to the fall-time detected voltage (v sl ) or less, the ctp pin voltage decreases and the mb3793 outputs a reset signal (setting the reset pin to ?l? level from ?h? level). the value of v sl is 2.7 v (9) when v cc reaches or exceeds v sh again, the mb3793 starts charging the c tp . (10) when the ctp pin voltage reaches or exceeds v th , the mb3793 cancels the reset and restarts operating the watchdog timer. it repeats operations (4) and (5) as long as the ck1/ck2 pin inputs clock pulses. (11) making the inhibit pin active (setting the inh pin to ?h? from ?l?) forces the watchdog timer to stop operation. this stops only the watchdog timer, leaving the mb3793 monitoring v cc (operations (8) to (10)). the watchdog timer remains inactive unless the inhibit input is canceled. (12) canceling the inhibit input (setting the inh pin to ?l? from ?h?) restarts the watchdog timer. (13) the reset signal is output when the power supply is turned off to set v cc to v sl or less. . . = . . = . . =
mb3793 -27a 13 typical characteristics note: without writing the value clearly, v cc = 3.3 (v), c tp = 0.1 ( f), c tw = 0.01 ( f). (continued) 40 35 30 25 20 15 10 watchdog timer monitoring f = 1 khz duty = 10 % v l = 0 v v h = v cc mb3793-27a c tw c tp v inh v cc 0.01 f 0.1 f 0 1.0 2.0 3.0 4.0 power supply voltage v cc (v) power supply current i cc ( a) power supply current vs. power supply voltage (v inh = 0 v) ta = ? 40 c to + 85 c v sh (ta = + 25 c) max v sl (ta = + 25 c) (ta = ? 40 c to + 85 c) typ min max typ min v sh v sl 2.5 ? 20 ? 40 0 +20 +40 +60 +80 +100 2.6 2.7 2.8 2.9 3.0 operating ambient temperature ta ( c) detection voltage v sh , v sl (v) detection voltage vs. operating ambient temperature 3.3 2.3 + 85 c + 25 c ? 40 c 3.2 3.1 3.0 2.9 2.8 2.7 2.6 2.5 2.4 ? 1 ? 2 ? 3 ? 4 ? 5 0 reset output voltage vs. reset output current reset output voltage v reset (v) reset output current i reset (ma) (p-mos side) 1.0 0 0 + 85 c + 25 c ? 40 c 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 1 2 3 4 5 reset output voltage vs. reset output current (n-mos side) reset output voltage v reset (v) reset output current i reset (ma)
mb3793 -27a 14 (continued) 7 6 5 4 3 2 1 0 01234 pull-up resistance 100 k ? ta = + 85 c ta = + 25 c ta = ? 40 c power supply voltage v cc (v) reset output voltage v reset (v) reset output voltage vs. power supply voltage ? 40 ? 20 0 +20 +40 +60 +80 +100 0 20 40 60 80 100 120 140 160 180 200 ta = ? 40 c to + 85 c ta = + 25 c max typ min operating ambient temperature ta ( c) power-on reset hold time t pr (ms) power-on reset hold time vs. operating ambient temperature (when vcc rising) ? 40 ? 20 0 +20 +40 +60 +80 +100 0 2 4 6 8 10 12 14 16 18 20 22 24 26 ta = ? 40 c to + 85 c ta = + 25 c max typ min operating ambient temperature ta ( c) watchdog timer reset time t wr (ms) watchdog timer reset time vs. operating ambient temperature (when monitoring) ? 40 ? 20 0 +20 +40 +60 +80 +100 0 2 4 6 8 10 12 14 16 18 20 22 24 26 ta = ? 40 c to + 85 c ta = + 25 c max typ min operating ambient temperature ta ( c) watchdog timer monitoring time t wd (ms) watchdog timer monitoring time vs. operating ambient temperature
mb3793 -27a 15 (continued) 10 4 10 3 10 2 10 1 1 10 ? 1 10 ? 4 10 ? 3 10 ? 2 10 ? 1 110 1 10 2 ta = ? 40 c ta = + 25 c ta = + 85 c power-on reset hold time setting capacitance c tp ( f) power-on reset hold time vs. c tp capacitance power-on reset hold time t pr (ms) 10 3 10 2 10 1 1 10 ? 1 10 ? 4 10 ? 3 10 ? 2 10 ? 1 110 1 10 2 10 ? 2 ta = ? 40 c ta = + 25 c ta = + 85 c power-on reset hold time setting capacitance c tp ( f) watchdog timer reset time t wr (ms) watchdog timer reset time vs. c tp capacitance 10 3 10 2 10 1 1 10 ? 1 10 ? 4 10 ? 3 10 ? 2 10 ? 1 110 1 10 ? 5 ta = ? 40 c ta = + 25 c ta = + 85 c watchdog timer monitoring time setting capacitance c tw ( f) watchdog timer monitoring time vs. c tw capacitance watchdog timer monitoring time t wd (ms)
mb3793 -27a 16 application example 1. supply voltage monitor and watchdog timer (1-clock monitor) 2. supply voltage monitor and watchdog timer stop 5 2 3 6 4 7 8 1 reset microprocessor v cc reset ck gnd gnd gnd c tw * c tp * v cc v cc ctw ctp ck1 ck2 inh mb3793 *: use a capacitor with less leakage current. the mb3793 monitors the clock (ck1, ck2) at every other input pulse. gnd c tw * c tp * v cc reset v cc ck gnd reset microprocessor 1 microprocessor 2 v cc ck gnd halt halt 5 6 2 3 4 7 8 1 reset gnd v cc inh ctw ck1 ck2 ctp mb3793 *: use a capacitor with less leakage current.
mb3793 -27a 17 typical application 2 3 6 1 8 7 4 5 v cc c tw *c tp * gnd inh gnd v cc ctp ctw reset ck1 ck2 reset microprocessor 1 microprocessor 2 ck gnd v cc reset ck gnd v cc mb3793 1. equation of time-setting capacitances (c tp and c tw ) and set time t pr [ms] a c tp [ f] t wd [ms] b c tw [ f] t wr [ms] d c tp [ f] values of a, b, c, and d 2. example (when c tp = 0.1 f and c tw = 0.01 f ) a b c d remark 750 1600 0 55 v cc = 3.3 v 700 1600 0 50 v cc = 3.0 v time (ms) symbol v cc = 3.3 v v cc = 3.0 v t pr 75 70 t wd 16 16 t wr 5.5 5 = . . = . . = . . = . . = . . = . . = . . = . . = . . *: use a capacitor with less leakage current.
mb3793 -27a 18 notes on use take account of common impedance when designing the earth line on a printed wiring board. take measures against static electricity. - for semiconductors, use antistatic or conductive containers. - when storing or carrying a printed circuit board after chip mounting, put it in a conductive bag or container. - the work table, tools and measuring instruments must be grounded. - the worker must put on a grounding device containing 250 k ? to 1 m ? resistors in series. do not apply a negative voltage - applying a negative voltage of ? 0.3 v or less to an lsi may generate a parasitic transistor, resulting in malfunction. ordering information rohs compliance information of lead (pb) free version the lsi products of fujitsu microelectronics with ?e1? are compliant with rohs directive , and has observed the standard of lead, cadmium, mercury, hexavalent chromium, polybrominated biphenyls (pbb) , and polybro- minated diphenyl ethers (pbde) . the product that conforms to this standard is added ?e1? at the end of the part number. part number package marking remarks mb3793-27apf- ??? 8-pin plastic sop (fpt-8p-m01) 3793-y conventional version mb3793-27apnf- ??? 8-pin plastic sop (fpt-8p-m02) 3793-y conventional version mb3793-27apfv- ??? 8-pin plastic ssop (fpt-8p-m03) 93-y conventional version mb3793-27apf- ??? e1 8-pin plastic sop (fpt-8p-m01) 3793-y lead free version mb3793-27apnf- ??? e1 8-pin plastic sop (fpt-8p-m02) 3793-y lead free version mb3793-27apfv- ??? e1 8-pin plastic ssop (fpt-8p-m03) 93-y lead free version
mb3793 -27a 19 marking format (lead free version) index 3793 ? y e1xxxx xxx lead free version sop-8 (fpt-8p-m01) 3793 ? y xxxx e1 xxx lead free version sop-8 (fpt-8p-m02) index 93 ? y 1 xxx xxx lead free version ssop-8 (fpt-8p-m03)
mb3793 -27a 20 labeling sample (l ead free version) 2006/03/01 assembled in japan g qc pass (3n) 1mb123456p-789-ge1 1000 (3n)2 1561190005 107210 1,000 pcs 0605 - z01a 1000 1/1 1561190005 mb123456p - 789 - ge1 mb123456p - 789 - ge1 mb123456p - 789 - ge1 pb lead free version lead-free mark jeita logo jedec logo
mb3793 -27a 21 mb3793-27apf- ??? e1, mb3793-27apnf- ??? e1, mb3793-27apfv- ??? e1 recommennded conditions of moisture sensitivity level [temperature profile for fj standard ir reflow] (1) ir (infrared reflow) (2) manual soldering (partial heating method) conditions : temperature 400 c max times : 5 s max/pin item condition mounting method ir (infrared reflow) , manual soldering (partial heating method) mounting times 2 times storage period before opening please use it within two years after manufacture. from opening to the 2nd reflow less than 8 days when the storage period after opening was exceeded please processes within 8 days after baking (125 c, 24h) storage conditions 5 c to 30 c, 70 % rh or less (the lowest possible humidity) 260 c (e) (d') (d) 255 c 170 c 190 c rt (b) (a) (c) to note : temperature : the top of the package body (a) temperature increase gradient : average 1 c/s to 4 c/s (b) preliminary heating : temperature 170 c to 190 c, 60s to 180s (c) temperature increase gradient : average 1 c/s to 4 c/s (d) actual heating : temperature 260 c max; 255 c or more, 10s or less (d?) : temperature 230 c or more, 40s or less or temperature 225 c or more, 60s or less or temperature 220 c or more, 80s or less (e) cooling : natural cooling or forced cooling h rank : 260 c max.
mb3793 -27a 22 package dimensions (continued) 8-pin plastic sop lead pitch 1.27 mm package width package length 5.3 6.35 mm lead shape gullwing sealing method plastic mold mounting height 2.25 mm max weight 0.10 g code (reference) p-sop8-5.3 6.35-1.27 8-pin plastic sop (fpt-8p-m01) (fpt-8p-m01) c 2002 fujitsu limited f08002s-c-6-7 0.13(.005) m details of "a" part 7.800.40 5.300.30 (.209.012) (.307.016) .250 ?.008 +.010 ?0.20 +0.25 6.35 index 1.27(.050) 0.10(.004) 14 5 8 0.470.08 (.019.003) ?0.04 +0.03 0.17 .007 +.001 ?.002 "a" 0.25(.010) (stand off) 0~8 ? (mounting height) 2.00 +0.25 ?0.15 .079 +.010 ?.006 0.500.20 (.020.008) 0.600.15 (.024.006) 0.10 +0.10 ?0.05 ?.002 +.004 .004 * 1 0.10(.004) * 2 dimensions in mm (inches). note: the values in parentheses are reference values. note 1) * 1 : these dimensions include resin protrusion. note 2) * 2 : these dimensions do not include resin protrusion. note 3) pins width and pins thickness include plating thickness. note 4) pins width do not include tie bar cutting remainder.
mb3793 -27a 23 (continued) 8-pin plastic sop lead pitch 1.27 mm package width package length 3.9 5.05 mm lead shape gullwing sealing method plastic mold mounting height 1.75 mm max weight 0.06 g 8-pin plastic sop (fpt-8p-m02) (fpt-8p-m02) c 2002 fujitsu limited f08004s-c-4-7 1.27(.050) 3.900.30 6.000.40 .199 ?.008 +.010 ?0.20 +0.25 5.05 0.13(.005) m (.154.012) (.236.016) 0.10(.004) 14 5 8 0.440.08 (.017.003) ?0.07 +0.03 0.22 .009 +.001 ?.003 45 ? 0.40(.016) "a" 0~8 ? 0.25(.010) (mounting height) details of "a" part 1.550.20 (.061.008) 0.500.20 (.020.008) 0.600.15 (.024.006) 0.150.10 (.006.004) (stand off) 0.10(.004) * 1 * 2 dimensions in mm (inches). note: the values in parentheses are reference values. note 1) * 1 : these dimensions include resin protrusion. note 2) * 2 : these dimensions do not include resin protrusion. note 3) pins width and pins thickness include plating thickness. note 4) pins width do not include tie bar cutting remainder.
mb3793 -27a 24 (continued) 8-pin plastic ssop lead pitch 0.80 mm package width package length 4.2 3.5 mm lead shape gullwing sealing method plastic mold mounting height 1.45 mm max weight 0.04 g code (reference) p-ssop8-4.2 3.5-0.80 8-pin plastic ssop (fpt-8p-m03) (fpt-8p-m03) c 2002 fujitsu limited f08005s-c-3-5 3.500.10(.138.004) 4.200.10 6.200.20 (.244.008) (.165.004) 0.10(.004) m .049 ?.004 +.008 ?0.10 +0.20 1.25 index * 1 0.80(.031) 0.10(.004) 0~8 ? 0.25(.010) (mounting height) 14 5 8 0.370.08 (.015.003) ?0.04 +0.03 0.17 .007 +.001 ?.002 "a" 0.500.20 (.020.008) 0.600.15 (.024.006) 0.100.10 (stand off) (.004.004) details of "a" part 0.10(.004) * 2 dimensions in mm (inches). note: the values in parentheses are reference values. note 1) * 1 : resin protrusion. (each side : +0.15 (.006) max). note 2) * 2 : these dimensions do not include resin protrusion. note 3) pins width and pins thickness include plating thickness. note 4) pins width do not include tie bar cutting remainder.
mb3793 -27a 25 memo
mb3793 -27a 26 memo
mb3793 -27a 27 memo
fujitsu microelectronics limited shinjuku dai-ichi seimei bldg. 7-1, nishishinjuku 2-chome, shinjuku-ku, tokyo 163-0722, japan tel: +81-3-5322-3347 fax: +81-3-5322-3387 http://jp.fujitsu.com/fml/en/ for further information please contact: north and south america fujitsu microelectronics america, inc. 1250 e. arques avenue, m/s 333 sunnyvale, ca 94085-5401, u.s.a. tel: +1-408-737-5600 fax: +1-408-737-5999 http://www.fma.fujitsu.com/ europe fujitsu microelectronics europe gmbh pittlerstrasse 47, 63225 langen, germany tel: +49-6103-690-0 fax: +49-6103-690-122 http://emea.fujitsu.com/microelectronics/ korea fujitsu microelectronics korea ltd. 206 kosmo tower, 1002 daechi-dong, kangnam-gu,seoul 135-280 korea tel: +82-2-3484-7100 fax: +82-2-3484-7111 http://www.fmk.fujitsu.com/ asia pacific fujitsu microelectronics asia pte ltd. 151 lorong chuan, #05-08 new tech park, singapore 556741 tel: +65-6281-0770 fax: +65-6281-0220 http://www.fujitsu.com/sg/services/micro/semiconductor/ fujitsu microelectronics shanghai co., ltd. rm.3102, bund center, no.222 yan an road(e), shanghai 200002, china tel: +86-21-6335-1560 fax: +86-21-6335-1605 http://cn.fujitsu.com/fmc/ fujitsu microelectronics pacific asia ltd. 10/f., world commerce centre, 11 canton road tsimshatsui, kowloon hong kong tel: +852-2377-0226 fax: +852-2376-3269 http://cn.fujitsu.com/fmc/tw all rights reserved. the contents of this document are subject to change without notice. customers are advised to consult with sales representative s before ordering. the information, such as descri ptions of function and applicati on circuit examples, in this docum ent are presented solely for t he purpose of reference to show examples of ope rations and uses of fujits u microelectronics device; fujitsu microelectronics does not warrant proper operation of the device with respect to use based on such information. when you develop equipment incor porat- ing the device based on such in formation, you must assume any responsibility arising out of such use of the information. fujitsu microelectronics assumes no liab ility for any damages whatsoever arisi ng out of the use of the information. any information in this document, including descriptions of function and schematic di agrams, shall not be construed as license of the use or exercise of any intellectual property ri ght, such as patent right or copyright, or any other right of fujitsu microelectroni cs or any third party or does fujitsu microel ectronics warrant non-infringeme nt of any third-party's intellectual property right o r other right by using such information. fu jitsu microelectronics assumes no liability for any infringement of the intellectual property rights or other rights of third parties which w ould result from the use of in formation cont ained herein. the products described in this document are designed, developed and manufa ctured as contemplated fo r general use, including wit hout limitation, ordinary indus trial use, general office use, personal use, and household use, but are not designed, developed and m anufactured as contemplated (1) for use acco mpanying fatal risks or dangers th at, unless extremely high safety is secured, could have a ser ious effect to the public, and could lead directly to death, personal injury, severe physical damage or other lo ss (i.e., nuc lear reaction control in nuclear facility, airc raft flight control, air traffic c ontrol, mass transport control, me dical life support system, missile la unch control in weapon system), or (2) for use requiring extremely high re liability (i.e ., submersible repeater and artificial satellite). please note that fujitsu microelectronics will not be liable against you and/or any th ird party for any clai ms or damages arisi ng in connection with above-men tioned uses of the products. any semiconductor devices have an inherent ch ance of failure. you must protect against injury, damage or loss from such failure s by incorporating safety desi gn measures into your facility and equipment such as redundancy, fire protection, and prevention of ov er-current levels and other abnor mal operating conditions. exportation/release of any products described in this docum ent may require necessary procedures in accordance with the regulati ons of the foreign exchange and foreign trade control law of japan and/or us export control laws. the company names and brand na mes herein are the trademarks or registered trademarks of their respective owners. edited strategic business development dept.

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