M74HC620

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
11页	261K
描述
OCTAL BUS TRANSCEIVER HC620 3 STATE INVERTING HC623 3 STATE NON INVERTING

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中文翻译

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数据手册

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M74HC620 数据手册

M54/74HC620

M54/74HC623

OCTAL BUS TRANSCEIVER

HC620 3 STATE INVERTING HC623 3 STATE NON INVERTING

HIGH SPEED

t_PD= 10 ns (TYP.) AT V_CC= 5 V

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

F1R

(Plastic Package)

(Ceramic Package)

M1R

C1R

(Micro Package)

(Chip Carrier)

V_CC(OPR) = 2 V to 6 V

PIN AND FUNCTION COMPATIBLE

WITH LS620/623

ORDER CODES :

M54HCXXXF1R

M74HCXXXM1R

M74HCXXXB1R

M74HCXXXC1R

DESCRIPTION

PIN CONNECTIONS (top view)

The M54/74HC620/623 are high speed CMOS

OCTAL BUS TRANSCEIVERS fabricated in silicon

gate C²MOS technology. They have the same high

speed performance of LSTTL combined with true

CMOS low power consumption.

These octal bus transceivers are designed for asyn-

chronous two-way communication between data

buses. The control function implementation allows

maximum flexibility in timing.

These devices allow data transmission from the A

bus to B bus or from the B to the A bus depending

upon the logic levels at the enable inputs (GBA and

GAB). The enable inputs can be used to disable the

device so that the buses are effectively isolated.

The dual-enable configuration gives these devices

the capability tostoredata by simultaneous enabling

of GBA and GAB.

Each output reinforces its input in this transceiver

configuration. Thus, when both control inputs are

enabled and all other data sources to the two sets

of bus lines are at high impedance, both sets of bus

lines (16 in all) will remain at their last states. The 8-

bit codes appearing on the two sets of buses will be

identical for the ’HC623 or complementary for the

’HC620. All inputs are equipped with protection cir-

cuits against static discharge and transient excess

voltage.

NC =

No Internal

Connection

October 1992

1/11

12 3 4 5 6 7...11

中文翻译

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与M74HC620相关器件

型号	品牌	获取价格	描述	数据表
M74HC620B1N	STMICROELECTRONICS	获取价格	HC/UH SERIES, 8-BIT TRANSCEIVER, INVERTED OUTPUT, PDIP20, PLASTIC, DIP-20
M74HC620B1R	STMICROELECTRONICS	获取价格	OCTAL BUS TRANSCEIVER HC620 3 STATE INVERTING HC623 3 STATE NON INVERTING
M74HC620C1	STMICROELECTRONICS	获取价格	IC,BUS TRANSCEIVER,SINGLE,8-BIT,HC-CMOS,LDCC,20PIN,PLASTIC
M74HC620C1R	STMICROELECTRONICS	获取价格	OCTAL BUS TRANSCEIVER HC620 3 STATE INVERTING HC623 3 STATE NON INVERTING
M74HC620F1	STMICROELECTRONICS	获取价格	HC/UH SERIES, 8-BIT TRANSCEIVER, INVERTED OUTPUT, CDIP20, FRIT SEALED, CERAMIC, DIP-20
M74HC620F1R	STMICROELECTRONICS	获取价格	OCTAL BUS TRANSCEIVER HC620 3 STATE INVERTING HC623 3 STATE NON INVERTING
M74HC620M1	STMICROELECTRONICS	获取价格	HC/UH SERIES, 8-BIT TRANSCEIVER, INVERTED OUTPUT, PDSO20, MICRO, PLASTIC, DIP-20
M74HC620M1R	STMICROELECTRONICS	获取价格	OCTAL BUS TRANSCEIVER HC620 3 STATE INVERTING HC623 3 STATE NON INVERTING
M74HC620TTR	STMICROELECTRONICS	获取价格	暂无描述
M74HC623	STMICROELECTRONICS	获取价格	OCTAL BUS TRANSCEIVER HC620 3 STATE INVERTING HC623 3 STATE NON INVERTING

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