Datasheet > M74HC195

M74HC195

更新时间： 2024-11-01 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
13页	266K
描述
8 BIT PIPO SHIFT REGISTER

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中文翻译

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数据手册

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M74HC195 数据手册

M54HC195

M74HC195

8 BIT PIPO SHIFT REGISTER

HIGH SPEED

t_PD= 13 ns (TYP.) at V_CC= 5 V

LOW POWER DISSIPATION

I_CC= 4 µA (MAX.) at T_A= 25 °C 6 V

HIGH NOISE IMMUNITY

V_NIH= V_NIL= 28 % V_CC(MIN.)

OUTPUT DRIVE CAPABILITY

10 LSTTL LOADS

SYMMETRICAL OUTPUT IMPEDANCE

I_OH= I_OL= 4 mA (MIN.)

BALANCED PROPAGATION DELAYS

t_PLH= t_PHL

WIDE OPERATING VOLTAGE RANGE

B1R

(Plastic Package)

F1R

(Ceramic Package)

M1R

(Micro Package)

C1R

(Chip Carrier)

V_CC(OPR) = 2 V to 6 V

PIN AND FUNCTION COMPATIBLE

WITH 54/74LS195

ORDER CODES :

M54HC195F1R

M74HC195B1R

M74HC195M1R

M74HC195C1R

PIN CONNECTIONS (top view)

DESCRIPTION

The M54/74HC195 is a high speed CMOS 4 BIT

PIPO SHIFT REGISTER fabricated in silicon gate

C²MOS technology. It has the same highspeed per-

formance of LSTTL combined with true CMOS low

power consumption.

This shift register features parallel inputs, parallel

outputs, J-K serial inputs, a SHIFT/LOAD control

input, and a direct overriding CLEAR. This shift reg-

ister can operate in two modes : Parallel Load ; Shift

from QA towards QD.

Parallel loading isaccomplished byapplying the four

bits of data, and taking the SHIFT/LOAD control

input low. The data is loaded into the associated flip

flops and appears at the outputs after the positive

transition of the clock input. During parallel loading,

serial data flow is inhibited. Serial shifting occurs

synchronously when the SHIFT/LOAD control input

is high. Serial data for this mode is entered at the J-K

inputs. These inputs allow the first stage to perform

as a J-K or TOGGLE flip flop as shown in the truth-

table.

NC =

No Internal

All inputs are equipped with protection circuits

against static discharge transient excess voltage.

Connection

October 1992

1/13

12 3 4 5 6 7...13

中文翻译

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与M74HC195相关器件

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M74HC195B1N	STMICROELECTRONICS	获取价格	HC/UH SERIES, 4-BIT RIGHT PARALLEL IN PARALLEL OUT SHIFT REGISTER, TRUE OUTPUT, PDIP16, PL
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M74HC195C1	STMICROELECTRONICS	获取价格	暂无描述
M74HC195C1R	STMICROELECTRONICS	获取价格	8 BIT PIPO SHIFT REGISTER
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M74HC195M1R	STMICROELECTRONICS	获取价格	8 BIT PIPO SHIFT REGISTER
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