SN74HC373

更新时间： 2024-11-01 23:03:11

品牌	Logo	应用领域
德州仪器 - TI		锁存器输出元件
页数	文件大小	规格书
7页	109K
描述
OCTAL TRANSPARENT D-TYPE LATCHES WITH 3-STATE OUTPUTS

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SN74HC373 数据手册

SN54HC373, SN74HC373

OCTAL TRANSPARENT D-TYPE LATCHES

WITH 3-STATE OUTPUTS

SCLS140B – DECEMBER 1982 – REVISED MAY 1997

SN54HC373 . . . J OR W PACKAGE

SN74HC373 . . . DB, DW, N, OR PW PACKAGE

(TOP VIEW)

Eight High-Current Latches in a Single

Package

High-Current 3-State True Outputs Can

Drive up to 15 LSTTL Loads

Full Parallel Access for Loading

Package Options Include Plastic

17 7D

16 7Q

15 6Q

14 6D

Small-Outline (DW), Shrink Small-Outline

(DB), Thin Shrink Small-Outline (PW), and

Ceramic Flat (W) Packages, Ceramic Chip

Carriers (FK), and Standard Plastic (N) and

Ceramic (J) 300-mil DIPs

12 5Q

11 LE

description

GND 10

These 8-bit latches feature 3-state outputs

designed specifically for driving highly capacitive

or relatively low-impedance loads. They are

particularly suitable for implementing buffer

registers, I/O ports, bidirectional bus drivers, and

working registers.

SN54HC373 . . . FK PACKAGE

(TOP VIEW)

20 19

The eight latches of the ’HC373 are transparent

D-type latches. While the latch-enable (LE) input

is high, the Q outputs follow the data (D) inputs.

When LE is taken low, the Q outputs are latched

at the levels that were set up at the D inputs.

15 6Q

9 10 11 12 13

An output-enable (OE) input places the eight

outputs in either a normal logic state (high or low

logic levels) or the high-impedance state. In the

high-impedance state, the outputs neither load

nor drive the bus lines significantly. The

high-impedance state and increased drive

provide the capability to drive bus lines without

interface or pullup components.

OE does not affect the internal operations of the latches. Old data can be retained or new data can be entered

while the outputs are off.

The SN54HC373 is characterized for operation over the full military temperature range of –55°C to 125°C. The

SN74HC373 is characterized for operation from –40°C to 85°C.

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of Texas Instruments

standard warranty. Production processing does not necessarily include

testing of all parameters.

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

12 3 4 5 6 7

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SN74HC373 替代型号

型号	品牌	替代类型	描述	数据表
U74HC373	UTC	功能相似	OCTAL D-TYPE TRANSPARENT LATCH
SN54HC373	TI	功能相似	OCTAL TRANSPARENT D-TYPE LATCHES WITH 3-STATE OUTPUTS

与SN74HC373相关器件

型号	品牌	获取价格	描述	数据表
SN74HC373AN	TI	获取价格	OCTAL TRANSPARENT D-TYPE LATCHES WITH 3-STATE OUTPUTS
SN74HC373ANSR	TI	获取价格	暂无描述
SN74HC373DB	TI	获取价格	OCTAL TRANSPARENT D-TYPE LATCHES WITH 3-STATE OUTPUTS
SN74HC373DBLE	TI	获取价格	OCTAL TRANSPARENT D-TYPE LATCHES WITH 3-STATE OUTPUTS
SN74HC373DBR	TI	获取价格	OCTAL TRANSPARENT D-TYPE LATCHES
SN74HC373DBRE4	TI	获取价格	HC/UH SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20, GREEN, PLASTIC, SSOP-20
SN74HC373DBRG4	TI	获取价格	HC/UH SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20, GREEN, PLASTIC, SSOP-20
SN74HC373DW	TI	获取价格	OCTAL TRANSPARENT D-TYPE LATCHES WITH 3-STATE OUTPUTS
SN74HC373DWE4	TI	获取价格	OCTAL TRANSPARENT D-TYPE LATCHES WITH 3-STATE OUTPUTS
SN74HC373DWG4	TI	获取价格	OCTAL TRANSPARENT D-TYPE LATCHES WITH 3-STATE OUTPUTS

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