1/9 february 2003 n high speed: t pd = 0.25ns (max.) at v cc =4.5vt a =85c n on resistance between two port: 5 w (typ) at v cc =5.0vt a =25c n low power dissipation: i cc = 1ua(max.) at t a =25c n compatible with ttl outputs: v ih =2v(min), v il =0.8v(max) n power down protection on inputs and outputs n operating voltage range: v cc (opr) = 4v to 5.5v n pin and function compatible with 74 series 16862 n improved latch-up immunity n esd performance: hbm > 2000v (mil std 883 method 3015); mm > 200v description the b5s16862 is an advanced high-speed cmos 20-bit two port bus switch fabricated with sub-micron silicon gate and double-layer metal wiring c 2 mos tecnology. it is ideal for 4v to 5.5v v cc operations and ultra-low power and low noise applications, typically notebook and docking station. any ng output control governs four 5-bit bus switches. output enable inputs (ng )tied together gives full 20-bit operations. when ng is low, the switches are on. when ng is high, the switches are in high impedance state. it has ultra high-speed performance at 5v near zero delay with low on resistance. all inputs and outputs are equipped with protec- tion circuits against static discharge, giving them 2kv esd immunity and transient excess voltage. b5s16862 20-bit two port bus switch with four enable control this is preliminary information on a new product now in development are or undergoing evaluation. details subject to change without notice. order codes package t & r tssop48 B5S16862TTR tssop preliminary data pin connection obsolete product(s) - obsolete product(s)
b5s16862 2/9 input equivalent circuit pin description truth table y:1to4 y: 1, active on 1an, 1bn port only with n:0 to 4 y: 2, active on 1an, 1bn port only with n:5 to 9 y: 3, active on 2an, 2bn port only with n:0 to 4 y: 4, active on 2an, 2bn port only with n:5 to 9 x: "h" or "l" z: high impedance schematic diagram pin no symbol name qnd function 1, 13 2g ,4g bus enable input (active low) 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 1a0 to 1a9 data inputs 14, 15, 16, 17, 18, 19, 20, 21, 22, 23 2a0 to 2a9 data inputs 34, 33, 32, 31, 30, 29, 28, 27, 26, 25 2b0 to 2b9 data outputs 46, 45, 44, 43, 42, 41, 40, 39, 38, 37 1b0 to 1b9 data outputs 47, 35 1g ,3g bus enable input (active low) 12, 24 gnd ground (0v) 36, 48 v cc positive supply voltage input output yg 1an, 2an 1bn, 2bn l x bus on hxz obsolete product(s) - obsolete product(s)
b5s16862 3/9 absolute maximum ratings absolute maximum rating are those value beyond which damage to the device may occour. functional operation under these condition is not implied 1) i o absolute maximum rating must be observed 2) v o v cc 3) not more than one output should be tested at one time. duration of the test should not exceed one second. recommended operating conditions 1) v in from 0.8v to 2v at v cc =3.0v symbol parameter2 value unit v cc supply voltage -0.5 to +7.0 v v i dc switch and control pin voltage -0.5 to +7.0 v v o dc output voltage (v cc = 0v) (note 1) -0.5 to +7.0 v v o dc output voltage (v i/o =gnd) -0.5 to +7.0 v i ik dc input diode current (v i/o < 0v) -50 ma i ok dc output diode current (note 2) -50 ma i o dc output current (note 3) 128 ma i cc or i gnd dc v cc or ground current per supply pin 100 ma t stg storage temperature -65 to +150 c t l lead temperature (10 sec) 300 c symbol parameter value unit v cc supply voltage 4 to 5.5 v v i input voltage 0 to 5.5 v v o output voltage (v cc = 0v) 0 to 5.5 v v o output voltage 0 to 5.5 v t op operating temperqture -55 to 125 c dt/dv switch input rise and fall time 0 to dc ns/v dt/dv control input rise and fall time (note 1) 0 to 10 ns/v obsolete product(s) - obsolete product(s)
b5s16862 4/9 dc specification 1) this current applies to the control inputs only and represent the current required to switch internal capacitance at the specified frequency. the 1an and 2an inputs generate no significant ac or dc currents as they transition. this parameter is not tested, but is guaranteed by design. ac electrical characteristics 1) parameter guaranteed by design 2) x=1,2; n=0..9. symbol parameter test condition value unit v cc (v) t a =25c -40 to 85 c -55 to 125 c min. typ. max. min. max. min. max. v ih high level input voltage 4 to 5.5 2 2 2 v v il low level input voltage 4 to 5.5 0.8 0.8 0.8 v v h input hysteresis at con- trol pin 4.5 to 5.5 150 mv r on switch on resistance 4.5 i on =64 ma v i =0v 7 w 4.5 i on =48 ma v i =0v 57 4.5 i on =15 ma v i =2.4v 10 15 4.0 i on =15 ma v i =2.4v 14 22 i i input leakage current 0 to 5.5 v i = 5.5v or gnd 0.1 1.0 2.0 m a i oz high impedance leakage current 4.5 to 5.5 v i/o =5.5v to gnd 1.0 2.0 m a v ik clamp diode voltage 4.0 to 5.5 i i = -18ma -0.7 -1.2 -1.2 v i cc quiescent supply current 5.5 v i =v cc or gnd 0.1 1.0 3.0 10.0 m a i ccd supply current per con- trol input per mhz (1) 5.5 v i/o =open ng =gnd; control input toggling 50% duty cycle 0.25 ma/ mhz d i cc i cc incr. per input 5.5 v ic =v cc -2.1 v 2.5 ma symbol parameter test condition value unit v cc (v) c l (pf) r l ( w ) t s = t r (ns) -40 to 85 c -55 to 125c min.max.min.max. t plh t phl propagation delay time (1) xan to xbn, xbn to xan(2) 4.5 to 5.5 50 500 2.5 0.25 ns t pzl t pzh output enable time 50 500 2.5 1.5 5.5 ns t plz t phz output disable time 50 500 2.5 1.5 5.5 ns obsolete product(s) - obsolete product(s)
b5s16862 5/9 capacitance characteristics test circuit c l = 50pf or equivalent (includes jig and probe capacitance) r l =r 1 =500 w or equivalent r t =z out of pulse generator (typically 50 w ) symbol parameter test condition value unit v cc (v) t a =25c min. typ. max. c in input capacitance at control pin 4pf c i/o input capacitance at i/o pin 5.0 ng =v cc 5.5 pf test switch t plh ,t phl open t pzl ,t plz 7v t pzh ,t phz open obsolete product(s) - obsolete product(s)
b5s16862 6/9 waveform 1: propagation delay (f=1mhz; 50% duty cycle) waveform 2: output enable and disable time (f=1mhz; 50% duty cycle) obsolete product(s) - obsolete product(s)
b5s16862 7/9 dim. mm. inch min. typ max. min. typ. max. a 1.2 0.047 a1 0.05 0.15 0.002 0.006 a2 0.9 0.035 b 0.17 0.27 0.0067 0.011 c 0.09 0.20 0.0035 0.0079 d 12.4 12.6 0.488 0.496 e 8.1 bsc 0.318 bsc e1 6.0 6.2 0.236 0.244 e 0.5 bsc 0.0197 bsc k0? 8?0? 8? l 0.50 0.75 0.020 0.030 tssop48 mechanical data c e b a2 a e1 d 1 pin 1 identification a1 l k e 7065588c obsolete product(s) - obsolete product(s)
b5s16862 8/9 dim. mm. inch min. typ max. min. typ. max. a 330 12.992 c 12.8 13.2 0.504 0.519 d 20.2 0.795 n 60 2.362 t 30.4 1.197 ao 8.7 8.9 0.343 0.350 bo 13.1 13.3 0.516 0.524 ko 1.5 1.7 0.059 0.067 po 3.9 4.1 0.153 0.161 p 11.9 12.1 0.468 0.476 tape & reel tssop48 mechanical data obsolete product(s) - obsolete product(s)
b5s16862 9/9 information furnished is believed to be accurate and reliable. however, stmicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result f rom its use. no license is granted by implication or otherwise under any patent or patent rights of stmicroelectronics. specificati ons mentioned in this publication are subject to change without notice. this publication supersedes and replaces all information previously supplied. stmicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of stmicroelectronics. ? the st logo is a registered trademark of stmicroelectronics ? 2003 stmicroelectronics - printed in italy - all rights reserved stmicroelectronics group of companies australia - brazil - canada - china - finland - france - germany - hong kong - india - israel - italy - japan - malaysia - malt a - morocco singapore - spain - sweden - switzerland - united kingdom - united states. ? http://www.st.com obsolete product(s) - obsolete product(s)
|
