SN54HC373WR

更新时间： 2024-11-05 13:13:47

品牌	Logo	应用领域
德州仪器 - TI		锁存器输出元件
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SN54HC373WR 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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与SN54HC373WR相关器件

型号	品牌	获取价格	描述	数据表
SN54HC374	TI	获取价格	OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH 3-STATE OUTPUTS
SN54HC374FH	TI	获取价格	IC,FLIP-FLOP,OCTAL,D TYPE,HC-CMOS,LLCC,20PIN,CERAMIC
SN54HC374FH	ROCHESTER	获取价格	Bus Driver,
SN54HC374FK	TI	获取价格	OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH 3-STATE OUTPUTS
SN54HC374FK-00	TI	获取价格	HC/UH SERIES, 8-BIT DRIVER, TRUE OUTPUT, CQCC20
SN54HC374FKR	TI	获取价格	HC/UH SERIES, 8-BIT DRIVER, TRUE OUTPUT, CQCC20, CERAMIC, LCC-20
SN54HC374J	TI	获取价格	OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH 3-STATE OUTPUTS
SN54HC374J-00	TI	获取价格	HC/UH SERIES, 8-BIT DRIVER, TRUE OUTPUT, CDIP20
SN54HC374-SP	TI	获取价格	具有三态输出的八路边沿触发式 D 型触发器
SN54HC374W	TI	获取价格	OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH 3-STATE OUTPUTS

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