Datasheet > M74HC194

M74HC194

更新时间： 2024-11-05 22:57:55

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		移位寄存器
页数	文件大小	规格书
12页	273K
描述
4 BIT PIPO SHIFT REGISTER

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中文翻译

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数据手册

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M74HC194 数据手册

M54HC194

M74HC194

4 BIT PIPO SHIFT REGISTER

HIGH SPEED

t_PD= 12 ns (TYP.) AT V_CC= 5 V

LOW POWER DISSIPATION

I_CC= 4 µA (MAX.) AT T_A= 25 °C

OUTPUT DRIVE CAPABILITY

10 LSTTL LOADS

SYMMETRICAL OUTPUT IMPEDANCE

I_OH= I_OL= 4 mA (MIN.)

BALANCED PROPAGATION DELAYS

B1R

(Plastic Package)

F1R

(Ceramic Package)

t_PLH= t_PHL

HIGH NOISE IMMUNITY

V_NIH= V_NIL= 28 % V_CC(MIN.)

WIDE OPERATING VOLTAGE RANGE

V_CC(OPR) = 2 V TO 6 V

PIN AND FUNCTION COMPATIBLE

WITH 54/74LS194

M1R

(Micro Package)

C1R

(Chip Carrier)

ORDER CODES :

M54HC194F1R

M74HC194B1R

M74HC194M1R

M74HC194C1R

DESCRIPTION

PIN CONNECTIONS (top view)

TheM54/74HC194 isahigh speed CMOS4BITPIPO

SHIFT REGISTER fabricated in silicon gate C²MOS

technology. It has the same high speed performance

of LSTTL combined with true CMOS low power con-

sumption. This SHIFT REGISTER is designed to in-

corporate virtuallyallof thefeaturesasystemdesigner

may want in a shift register. It features parallel inputs,

parallel outputs, right shift and left shift serial inputs,

clear line. The register has four distinct modes ofoper-

ation: PARALLEL (broadside) LOAD ; SHIFT RIGHT

(in the direction Q_AQ_D); SHIFT LEFT ; INHIBIT

CLOCK (do nothing). Synchronous parallel loading is

accomplished byapplying thefour databitsand taking

both mode control inputs, S0 and S1 high. The data

are loaded into their respective flip-flops and appear

at the outputs after the positive transition of the

CLOCK input. During loading, serial data flow is in-

hibited. Shift right isaccomplished synchronously with

the rising edge of the clockpulse when S0 is high and

S1 is low. Serial data for this mode is entered at the

SHIFT RIGHT data input. When S0 is low and S1 is

high,data shiftsleft synchronously and newdataisen-

tered at the SHIFT LEFT serial input. Clocking of the

flipflops isinhibited when bothmode control inputsare

low. The mode control inputs should be changed only

when theCLOCKinput ishigh. All inputsareequipped

with protection circuits against static discharge and

transient excess voltage.

NC =

No Internal

Connection

October 1992

1/12

12 3 4 5 6 7...12

中文翻译

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与M74HC194相关器件

型号	品牌	获取价格	描述	数据表
M74HC194B1N	STMICROELECTRONICS	获取价格	HC/UH SERIES, 4-BIT BIDIRECTIONAL PARALLEL IN PARALLEL OUT SHIFT REGISTER, TRUE OUTPUT, PD
M74HC194B1R	STMICROELECTRONICS	获取价格	4 BIT PIPO SHIFT REGISTER
M74HC194C1R	STMICROELECTRONICS	获取价格	4 BIT PIPO SHIFT REGISTER
M74HC194M1	STMICROELECTRONICS	获取价格	HC/UH SERIES, 4-BIT BIDIRECTIONAL PARALLEL IN PARALLEL OUT SHIFT REGISTER, TRUE OUTPUT, PD
M74HC194M1R	STMICROELECTRONICS	获取价格	4 BIT PIPO SHIFT REGISTER
M74HC194RM13TR	STMICROELECTRONICS	获取价格	HC/UH SERIES, 4-BIT BIDIRECTIONAL PARALLEL IN PARALLEL OUT SHIFT REGISTER, TRUE OUTPUT, PD
M74HC195	STMICROELECTRONICS	获取价格	8 BIT PIPO SHIFT REGISTER
M74HC195B1N	STMICROELECTRONICS	获取价格	HC/UH SERIES, 4-BIT RIGHT PARALLEL IN PARALLEL OUT SHIFT REGISTER, TRUE OUTPUT, PDIP16, PL
M74HC195B1R	STMICROELECTRONICS	获取价格	8 BIT PIPO SHIFT REGISTER
M74HC195C1	STMICROELECTRONICS	获取价格	暂无描述

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