TC74AC161P(F)

更新时间： 2024-09-25 13:14:31

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东芝 - TOSHIBA		/
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TC74AC161P(F) 数据手册

TC74AC161,163P/F/FN/FT

TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic

TC74AC161P,TC74AC161F,TC74AC161FN,TC74AC161FT

TC74AC163P,TC74AC163F,TC74AC163FN,TC74AC163FT

Synchronous Presettable 4-Bit Binary Counter

TC74AC161P/F/FN/FT Asynchronous Clear

Note: xxxFN (JEDEC SOP) is not available in

Japan.

TC74AC163P/F/FN/FT Synchronous Clear

TC74AC161P, TC74AC163P

The TC74AC161 and 163 are advanced high speed CMOS

SYNCHRONOUS PRESETTABLE COUNTERs fabricated with

silicon gate and double-layer metal wiring C²MOS technology.

They achieve the high speed operation similar to equivalent

Bipolar Schottky TTL while maintaining the CMOS low power

dissipation.

The CK input is active on the rising edge. Both LOAD and

CLR inputs are active on low logic level.

Presetting of these IC’s is synchronous to the rising edge of CK.

TC74AC161F, TC74AC163F

The clear function of the TC74AC163 is synchronous to CK,

while the TC74AC161 are cleared asynchronously.

Two enable inputs (ENP and ENT) and CARRY OUTPUT are

provided to enable easy cascading of counters, which facilitates

easy implementation of n-bit counters without using external

gates.

All inputs are equipped with protection circuits against static

discharge or transient excess voltage.

TC74AC161FN, TC74AC163FN

Features

•

High speed: f

= 170 MHz (typ.) at V

= 5 V

max

Low power dissipation: I

= 8 μA (max) at Ta = 25°C

High noise immunity: V

= V

= 28% V

(min)

NIH

NIL

Symmetrical output impedance: |I | = I

= 24 mA (min)

Capability of driving 50 Ω

transmission lines.

∼

−

pHL

•

Balanced propagation delays: t

TC74AC161FT, TC74AC163FT

pLH

Wide operating voltage range: V

= 2 to 5.5 V

CC (opr)

Pin and function compatible with 74F161/163

Weight

DIP16-P-300-2.54A

SOP16-P-300-1.27A

SOL16-P-150-1.27

TSSOP16-P-0044-0.65A

: 1.00 g (typ.)

: 0.18 g (typ.)

: 0.13 g (typ.)

: 0.06 g (typ.)

2007-10-01

12 3 4 5 6 7...15

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