Datasheet > M74HC299F1R

M74HC299F1R

更新时间： 2024-11-20 22:35:47

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		/
页数	文件大小	规格书
15页	307K
描述
HC323 8BITPIPOSHIFTREGISTERWITHSYNCHRONOUS CLEAR HC299 8BITPIPOSHIFTREGISTERWITHASYNCHRONOUS CLEAR

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数据手册

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M74HC299F1R 数据手册

M54/74HC299

M54/74HC323

HC299 8 BIT PIPO SHIFT REGISTER WITH ASYNCHRONOUS CLEAR

HC323 8 BIT PIPO SHIFT REGISTER WITH SYNCHRONOUS CLEAR

HIGH SPEED

f_MAX= 42 MHz (TYP.) AT V_CC= 5V

LOW POWER DISSIPATION

I_CC= 4 µA (MAX.) AT T_A= 25 °C

HIGH NOISE IMMUNITY

V_NIH= V_NIL= 28 % V_CC(MIN.)

OUTPUT DRIVE CAPABILITY

10 LSTTL LOADS FOR QA’ TO QH’

15 LSTTL LOADS FOR QA TO QH

SYMMETRICAL OUTPUT IMPEDANCE

I_OH= I_OL= 6 mA (MIN.) FOR Q_A, TO Q_H,

I_OH= I_OL= 4 mA (MIN.) FOR Q_A, TO Q_H

BALANCED PROPAGATION DELAYS

t_PLH= t_PHL

B1R

F1R

(Plastic Package)

(Ceramic Package)

M1R

C1R

(Micro Package)

(Chip Carrier)

WIDE OPERATING VOLTAGE RANGE

V_CC(OPR) = 2 V TO 6 V

PIN AND FUNCTION COMPATIBLE

ORDER CODES :

M54HCXXXF1R

M74HCXXXM1R

M74HCXXXB1R

M74HCXXXC1R

WITH 54/74LS299

PIN CONNECTIONS (top view)

DESCRIPTION

The M54/74HC299/323 are high speed CMOS 8-

BIT PIPO SHIFT REGISTERS (3-STATE) fabri-

cated with silicon gate C²MOS technology.

They achieve the high speed operation similar to

equivalent LSTTL while maintaining the CMOS low

power consumption.

These devices have four modes (HOLD, SHIFT

LEFT,SHIFT RIGHTand LOADDATA). Each mode

is chosen by two function select inputs (S0, S1).

When one or both enable inputs, (G1, G2) are high,

the eight input/output terminals are in the high-

impedance state ; however sequential operation or

clearing of the register is not affected.

Clear function on the HC299 is asynchronous to

CLOCK, while the HC323 is cleared synchronous to

clock.

NC =

All inputs are equipped with protection circuits

against static discharge and transient excess volt-

age.

No Internal

Connection

October 1993

1/15

12 3 4 5 6 7...15

中文翻译

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