M74HC651

更新时间： 2024-09-17 22:57:55

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		总线收发器
页数	文件大小	规格书
12页	204K
描述
HC652 OCTAL BUS TRANSCEIVER/REGISTER 3-STATE HC651 OCTAL BUS TRANSCEIVER/REGISTER 3-STATE, INV.

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M74HC651 数据手册

M74HC651

M74HC652

HC651 OCTAL BUS TRANSCEIVER/REGISTER (3-STATE, INV.)

HC652 OCTAL BUS TRANSCEIVER/REGISTER (3-STATE)

HIGH SPEED

f_MAX= 73 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

15 LSTTL LOADS

SYMMETRICAL OUTPUT IMPEDANCE

I_OH= I_OL= 6 mA (mIN.)

BALANCED PROPAGATION DELAYS

t_PLH= t_PHL

WIDE OPERATING VOLTAGE RANGE

B1R

M1R

(Plastic Package)

(Micro Package)

ORDER CODES :

M74HCXXXM1R

M74HCXXXB1R

V_CC(OPR) = 2 V TO 6 V

PIN AND FUNCTION COMPATIBLE

WITH 54/74LS651/652

PIN CONNECTIONS (top view)

DESCRIPTION

M74HC651/652 are high speed CMOS OCTAL

BUS TRANSCEIVERS AND REGISTERS (3-

STATE), fabricated in silicon gate C²MOS technol-

ogy. They have the same high speed performance

of LSTTL combined with trueCMOS low power con-

sumption. These devices consist of bus transceiver

circuits, D-type flip-flops, and control circuitry ar-

ranged for multiplexed transmission of data directly

from the input bus or from the internal storage reg-

isters. Enable GABand GBA are provided to control

the transceiver functions.

Select AB and Select BA control pins are provided

to select whether real-time or stored data is trans-

fered. A low input level selects real-time data, and

a high selects stored data.

Data on the A or B bus, or both, can be stored in the

internal D flip-flops by low-to-high transitions at the

appropriate clock pins (CLOCK AB or CLOCK BA)

regardless oftheselect or enable control pins. When

select AB and select BA are in the real-time transfer

mode, it is also possible to store data without using

the internal D-type flip-flops by simultaneously en-

abling GAB and GBA. In this configuration each out-

put reinforces its input. Thus, when all other data

sources to the two sets of bus lines are at high im-

pedance, each set of bus lines will remain at its last

state. All inputs are equipped with protection circuits

against static discharge and transient excess volt-

age.

INPUT AND OUTPUT EQUIVALENT CIRCUIT

GAB, GAB, CAB,

SAB, SBA, CBA

A, B

October 1993

1/12

12 3 4 5 6 7...12

中文翻译

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与M74HC651相关器件

型号	品牌	获取价格	描述	数据表
M74HC651B1N	STMICROELECTRONICS	获取价格	HC/UH SERIES, 8-BIT REGISTERED TRANSCEIVER, INVERTED OUTPUT, PDIP24, PLASTIC, DIP-24
M74HC651B1R	STMICROELECTRONICS	获取价格	HC652 OCTAL BUS TRANSCEIVER/REGISTER 3-STATE HC651 OCTAL BUS TRANSCEIVER/REGISTER 3-STATE,
M74HC651F1	STMICROELECTRONICS	获取价格	HC/UH SERIES, 8-BIT REGISTERED TRANSCEIVER, INVERTED OUTPUT, CDIP24, FRIT SEALED, CERAMIC,
M74HC651M1	STMICROELECTRONICS	获取价格	HC/UH SERIES, 8-BIT REGISTERED TRANSCEIVER, INVERTED OUTPUT, PDSO24, MICRO, PLASTIC, DIP-2
M74HC651M1R	STMICROELECTRONICS	获取价格	HC652 OCTAL BUS TRANSCEIVER/REGISTER 3-STATE HC651 OCTAL BUS TRANSCEIVER/REGISTER 3-STATE,
M74HC651RM13TR	STMICROELECTRONICS	获取价格	HC/UH SERIES, 8-BIT REGISTERED TRANSCEIVER, INVERTED OUTPUT, PDSO24, SOP-24
M74HC651TTR	STMICROELECTRONICS	获取价格	HC/UH SERIES, 8-BIT REGISTERED TRANSCEIVER, INVERTED OUTPUT, PDSO24, TSSOP-24
M74HC652	STMICROELECTRONICS	获取价格	HC652 OCTAL BUS TRANSCEIVER/REGISTER 3-STATE HC651 OCTAL BUS TRANSCEIVER/REGISTER 3-STATE,
M74HC652B1R	STMICROELECTRONICS	获取价格	HC652 OCTAL BUS TRANSCEIVER/REGISTER 3-STATE HC651 OCTAL BUS TRANSCEIVER/REGISTER 3-STATE,
M74HC652M1	STMICROELECTRONICS	获取价格	HC/UH SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO24, MICRO, PLASTIC, DIP-24

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