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| NTE1700 Integrated Circuit 2, 4, & 6 Hour Auto Discriminator for VCR Description: The NTE1700 is an integrated circuit in an 18-Lead DIP type package designed for 2Hr/4Hr/6Hr automatic selection in video cassette recorders. Features: D The Functions Consist of: Capstan FG Frequency Divider Monostable Mulitvibrator Sample & Hold Circuit D Supply Voltage Either 9V or 12V Absolute Maximum Ratings: (TA = +25C unless otherwise specified) Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13V Power Dissipation (TA = +70C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500mW Operating Ambient Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -20 to +70C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40 to +150C Electrical Characteristics: (VCC = V14-1 = 12V, TA = +25C 2C unless otherwise specified) Parameter Supply Current Input Blind Level Playback Control Amp Sensitivity X9 Select Sensitivity X2 Select Sensitivity 1/2 Slow Select Sensitivity Triangular Wave Reference Voltage Pause "L" Voltage S/H Output Voltage Symbol I14 V2 S2 S3 S4-1 S4-2 V7 V11 VOL11 VOH11 SW. A to 1 SW. A to 2 SW. A to 3 V6-1 = 0, from Pin7 30k to GND V5-1 = 7V, V10-1 = 5.5V SW. to 1 Test Conditions Min 24 - 350 3.3 5.5 - 2.9 3.3 1.85 3.25 6.25 Typ - - - - - - - - - - - Max 40 150 - - - 1.45 3.6 4.1 2.15 3.80 7.15 Unit mA mVP-P mVP-P V V V V V V V V VO(C-11) SW. to 3 SW. to 2 Note 1. Operating Supply Voltage: VCC(opr) = 8.5V to 12.5V Electrical Characteristics (Cont'd): (VCC = V14-1 = 12V, TA = +25C 2C unless otherwise specified) Parameter 2H Select Sensitivity 4H Select Sensitivity 6H Select Sensitivity Record Select Sensitivity A Output "H" Voltage A Output "L" Voltage B Output "H" Voltage B Output "L" Voltage Muting Output "H" Voltage Muting Output "L" Voltage A Schmitting Output "H" Voltage A Schmitting Output "L" Voltage B Schmitting Output "H" Voltage B Schmitting Output "L" Voltage Symbol S12-1 S12-2 S12-3 S13 V15H V15L V16H V16L V18H V18L VOH(A) VOL(A) VOH(B) VOL(B) I15-1 = -3mA, V12-1 = 1.45V, V13-1 = 3.3V I15-1 = 5mA, V12-1 = 5.5V, V13-1 = 3.3V I16-1 = -3mA, V12-1 = 1.45V, V13-1 = 3.3V I16-1 = 5mA, V12-1 = 5.5V, V13-1 = 3.3V Test Conditions V13-1 = 3.3V, SW. to 1 V13-1 = 3.3V, SW. to 2 V13-1 = 3.3V, SW. to 3 Min 5.5 2.4 - 3.3 10 - 10 - 5.2 - 5.6 2.8 4.15 2.8 Typ - - - - - - - - - - - - - - Max - 3.8 1.45 - - 0.55 - 0.55 - 0.2 6.5 3.4 4.8 3.4 Unit V V V V V V V V V V V V V V Note 1. Operating Supply Voltage: VCC(opr) = 8.5V to 12.5V Pin Connection Diagram GND 1 PB Control Signal Input 2 X9 Select 3 X2, Normal, 1/2 Select 4 Sample Pulse 5 Triangle Wave C 6 Triangle Wave R 7 Sample Hold 8 Signal Detect 9 18 Muting Output 17 Muting C, R 16 B Output 15 A Output 14 VCC 13 Rec/PB Select 12 2/4/6 Hour Select 11 L.P.F. 10 Pause L 18 10 1 9 .870 (22.1) Max .250 (6.35) .150 (3.8) .100 (2.54) .800 (20.3) .125 (3.17) Min |
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