M74HCT652

更新时间： 2024-11-25 23:01:27

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	201K
描述
HCT651 OCTAL BUS TRANSCEIVER/REGISTER 3-STATE, INV. HCT652 OCTAL BUS TRANSCEIVER/REGISTER 3-STATE

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M74HCT652 数据手册

M74HCT651

M74HCT652

HCT651 OCTAL BUS TRANSCEIVER/REGISTER (3-STATE, INV.)

HCT652 OCTAL BUS TRANSCEIVER/REGISTER (3-STATE)

HIGH SPEED

f_MAX= 60 MHz (TYP.) AT V_CC= 5V

COMPATIBLE WITH TTL OUTPUTS

V_IH= 2 V (MIN.) AT V_IL= 0.8V (MAX)

LOW POWER DISSIPATION

I_CC= 4 µA (MAX) AT T_A= 25 ^oC

OUTPUT DRIVE CAPABILITY

15 LSTTL LOADS

SYMMETRICAL OUTPUT IMPEDANCE

I_OH= I_OL= 6 mA (mIN.)

BALANCED PROPAGATION DELAYS

t_PLH= t_PHL

B1R

M1R

(Plastic Package)

(Micro Package)

ORDER CODES :

M74HCXXXM1R

M74HCXXXB1R

PIN AND FUNCTION COMPATIBLE

WITH 54/74LS651/652

DESCRIPTION

M74HCT651/652 are high speed CMOS OCTAL

PIN CONNECTIONS (top view)

BUS

TRANSCEIVERS

AND

REGISTERS

(3-STATE), fabricated in silicon gate C²MOS

technology. They have the same high speed

performance of LSTTL combined with true CMOS

low power consumption. These devices consist of

bus transceiver circuits, D-type flip-flops, and control

circuitry arranged for multiplexed transmission of

data directly from the input bus or from the internal

storage registers. Enable GAB and 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 transfered. 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 of the select or enable

control pins. When select AB and select BAarein the

real-time transfer mode, it is also possible to store

data without using the internal D-type flip-flops by

simultaneously enabling GAB and GBA. In this

configuration each output reinforces its input. Thus,

when all other data sources to the two sets of bus

linesareat high impedance, each set ofbus lines will

remain at its last state. All inputs are equipped with

protection circuits against static discharge and

transient excess voltage.This integrated circuit has

input and output characteristics that are fully

compatible with 54/74 LSTTL logic families.

M54/74HCT devices are designed to directly

interface HSCMOS systems with TTL and NMOS

components. They are also plug in replacements for

LSTTL devices giving a reduction of power

consumption.

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M74HCT652相关器件

型号	品牌	获取价格	描述	数据表
M74HCT652B1N	STMICROELECTRONICS	获取价格	暂无描述
M74HCT652B1R	STMICROELECTRONICS	获取价格	HCT651 OCTAL BUS TRANSCEIVER/REGISTER 3-STATE, INV. HCT652 OCTAL BUS TRANSCEIVER/REGISTER
M74HCT652F1	STMICROELECTRONICS	获取价格	HCT SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, CDIP24, FRIT SEALED, CERAMIC, DIP-2
M74HCT652M1	STMICROELECTRONICS	获取价格	HCT SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO24, MICRO, PLASTIC, DIP-24
M74HCT652M1R	STMICROELECTRONICS	获取价格	HCT651 OCTAL BUS TRANSCEIVER/REGISTER 3-STATE, INV. HCT652 OCTAL BUS TRANSCEIVER/REGISTER
M74HCT652RM13TR	STMICROELECTRONICS	获取价格	HCT SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO24, SOP-24
M74HCT652TTR	STMICROELECTRONICS	获取价格	HCT SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO24, TSSOP-24
M74HCT688	STMICROELECTRONICS	获取价格	8 BIT EQUALITY COMPARATOR
M74HCT688B1R	STMICROELECTRONICS	获取价格	8 BIT EQUALITY COMPARATOR
M74HCT688C1R	STMICROELECTRONICS	获取价格	8 BIT EQUALITY COMPARATOR

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