74VHC161

更新时间： 2024-11-15 22:56:23

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		计数器
页数	文件大小	规格书
10页	126K
描述
4-Bit Binary Counter with Asynchronous Clear

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中文翻译

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数据手册

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74VHC161 数据手册

August 1993

Revised February 2002

74VHC161

4-Bit Binary Counter with Asynchronous Clear

General Description

Features

The VHC161 is an advanced high-speed CMOS device

fabricated with silicon gate CMOS technology. It achieves

the high-speed operation similar to equivalent Bipolar

Schottky TTL while maintaining the CMOS low power dissi-

pation. The VHC161 is a high-speed synchronous modulo-

16 binary counter. This device is synchronously presettable

for application in programmable dividers and have two

types of Count Enable inputs plus a Terminal Count output

for versatility in forming synchronous multistage counters.

The VHC161 has an asynchronous Master Reset input that

overrides all other inputs and forces the outputs LOW. An

input protection circuit insures that 0V to 7V can be applied

to the input pins without regard to the supply voltage. This

device can be used to interface 5V to 3V systems and two

supply systems such as battery backup. This circuit pre-

vents device destruction due to mismatched supply and

input voltages.

■ High Speed:

f_MAX= 185 MHz (typ) at T_A= 25°C

■ Synchronous counting and loading

■ High-speed synchronous expansion

■ Low power dissipation:

I_CC= 4 µA (max) at T_A= 25°C

■ High noise immunity: V_NIH= V_NIL= 28% V_CC(min)

■ Power down protection provided on all inputs

■ Low noise: V_OLP= 0.8V (max)

■ Pin and function compatible with 74HC161

Ordering Code:

Order Number Package Number

Package Description

74VHC161M

74VHC161SJ

74VHC161MTC

74VHC161N

M16A

M16D

MTC16

N16E

16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150" Narrow

16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide

16-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide

16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide

Surface mount packages are also available on Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.

Logic Symbols

IEEE/IEC

DS011635

www.fairchildsemi.com

12 3 4 5 6 7...10

中文翻译

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