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MC74HC161ADTR2 Datasheet(PDF) 1 Page - ON Semiconductor |
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MC74HC161ADTR2 Datasheet(HTML) 1 Page - ON Semiconductor |
1 / 16 page © Semiconductor Components Industries, LLC, 2001 June, 2001 – Rev. 9 1 Publication Order Number: MC74HC161A/D MC74HC161A, MC74HC163A Presettable Counters High–Performance Silicon–Gate CMOS The MC74HC161A and HC163A are identical in pinout to the LS161 and LS163. The device inputs are compatible with standard CMOS outputs; with pull–up resistors, they are compatible with LSTTL outputs. The HC161A and HC163A are programmable 4–bit binary counters with asynchronous and synchronous reset, respectively. • Output Drive Capability: 10 LSTTL Loads • Outputs Directly Interface to CMOS, NMOS, and TTL • Operating Voltage Range: 2.0 to 6.0 V • Low Input Current: 1.0 mA • High Noise Immunity Characteristic of CMOS Devices • In Compliance with the Requirements Defined by JEDEC Standard No. 7A • Chip Complexity: 192 FETs or 48 Equivalent Gates Inputs Output Clock Reset* Load Enable P Enable T Q L X X X Reset H L X X Load Preset Data H H H H Count H H L X No Count H H X L No Count FUNCTION TABLE *HC163A only. HC161A is an Asynchronous Reset Device H = high level, L = low level, X = don’t care Figure 1. Pin Assignment 13 14 15 16 9 10 11 12 5 4 3 2 1 8 7 6 RESET P0 CLOCK GND Q1 Q0 RIPPLE CARRY OUT VCC P1 P2 P3 ENABLE P Q2 Q3 ENABLE T LOAD 2500/Reel SOIC–16 MC74HC161ADR2 SO–16 D SUFFIX CASE 751B 1 16 PDIP–16 N SUFFIX CASE 648 1 16 1 16 MC74HC16xAN AWLYYWW 1 16 HC16xA AWLYWW x = 1 or 3 A = Assembly Location L, WL = Wafer Lot Y, YY = Year W, WW = Work Week TSSOP–16 DT SUFFIX CASE 948F 1 16 HC 16xA ALYW 1 16 http://onsemi.com MARKING DIAGRAMS Device Package Shipping ORDERING INFORMATION MC74HC161AN PDIP–16 2000/Box MC74HC161AD SOIC–16 48/Rail MC74HC161ADT TSSOP–16 96/Rail MC74HC161ADTR2 TSSOP–16 2500/Reel 2500/Reel SOIC–16 MC74HC163ADR2 MC74HC163AN PDIP–16 2000/Box MC74HC163AD SOIC–16 48/Rail MC74HC163ADT TSSOP–16 96/Rail MC74HC163ADTR2 TSSOP–16 2500/Reel |
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