PI74FCT191CTSX

更新时间： 2024-12-01 13:12:19

品牌	Logo	应用领域
百利通 - PERICOM		计数器
页数	文件大小	规格书
6页	209K
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PI74FCT191CTSX 数据手册

PI74FCT191T

(25Ω Series) PI74FCT2191T

High Speed CMOS Presettable Synchronous

4-Bit Binary Counters

Product Features

• PI74FCT191/2191TispincompatiblewithbipolarFAST™

Product Description

Pericom Semiconductor’s PI74FCT series of logic circuits are

produced in the Company’s advanced 0.6 micron CMOS

technology, achieving industry leading speed grades. All

PI74FCT2XXX devices have a built-in 25 ohm series resistor on

all outputs to reduce noise due to reflections, thus eliminating the

need for an external terminating resistor.

Series at a higher speed and lower power consumption

• 25Ω series resistor on all outputs (FCT2XXX only)

• TTL input and output levels

• Low ground bounce outputs (25Ω series only)

• Extremely low static power

• Hysteresis on all inputs

The PI74FCT191T is a high speed CMOS 4-bit binary up/down

counter. It has a single clock with clock enable and up/down

control inputs and ripple carry output. The 191 has asynchronous

preload inputs which override the count inputs. All inputs have

clamp diodes for undershoot noise suppression. All outputs have

ground bounce suppression.

• Industrial operating temperature range: –40°C to +85°C

• Packages available:

– 16-pin150milwideplasticQSOP(Q)

– 16-pin300milwideplasticSOIC(S)

Logic Block Diagram

U/D

Cup

Q+Cup

- Cdn

Cdn

Q3-Q0

25Ω (FCT2XXX ONLY)

D0-D3

25Ω (FCT2XXX ONLY)

PS2084B

01/13/97

12 3 4 5 6

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与PI74FCT191CTSX相关器件

型号	品牌	获取价格	描述	数据表
PI74FCT191T	PERICOM	获取价格	High Speed CMOS Presettable Synchronous 4-Bit Binary Counters
PI74FCT191TQ	ETC	获取价格	Synchronous Up/Down Counter
PI74FCT191TQX	PERICOM	获取价格	暂无描述
PI74FCT191TS	ETC	获取价格	Synchronous Up/Down Counter
PI74FCT191TSX	PERICOM	获取价格	Binary Counter, FCT Series, Synchronous, Positive Edge Triggered, 4-Bit, CMOS, PDSO16, 0.3
PI74FCT193AQ	ETC	获取价格	Synchronous Up/Down Counter
PI74FCT193AS	ETC	获取价格	Synchronous Up/Down Counter
PI74FCT193ATQX	PERICOM	获取价格	Binary Counter, FCT Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional, CM
PI74FCT193ATSX	PERICOM	获取价格	Binary Counter, FCT Series, Synchronous, Positive Edge Triggered, 4-Bit, CMOS, PDSO16, 0.3
PI74FCT193TQ	ETC	获取价格	Synchronous Up/Down Counter