SN74F573

更新时间： 2024-10-02 22:31:31

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
5页	75K
描述
OCTAL TRANSPARENT D-TYPE LATCHES WITH 3-STATE OUTPUTS

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SN74F573 数据手册

SN54F573, SN74F573

OCTAL TRANSPARENT D-TYPE LATCHES

WITH 3-STATE OUTPUTS

SDFS011A – MARCH 1987 – REVISED OCTOBER 1993

SN54F573 . . . J PACKAGE

SN74F573 . . . DW OR N PACKAGE

(TOP VIEW)

• Eight Latches in a Single Package

• 3-State Bus-Driving True Outputs

• Full Parallel Access for Loading

• Buffered Control Inputs

• Package Options Include Plastic

Small-Outline Packages, Ceramic Chip

Carriers, and Standard Plastic and Ceramic

300-mil DIPs

description

13 7Q

12 8Q

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.

GND

SN54F573 . . . FK PACKAGE

(TOP VIEW)

The eight latches of the ′F573 are transparent

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

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

When the latch enable is taken low, the Q outputs

are latched at the logic levels set up at the D

inputs.

20 19

A buffered output enable (OE) input can be used

to place the eight outputs in either a normal logic

state (high or low logic levels) or a 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 need for interface or pullup

components.

9 10 11 12 13

The output enable (OE) input does not affect the internal operations of the latches. Old data can be retained

or new data can be entered while the outputs are in the high-impedance state.

The SN54F573 is characterized for operation over the full military temperature range of –55°C to 125°C. The

SN74F573 is characterized for operation from 0°C to 70°C.

FUNCTION TABLE

(each latch)

INPUTS

OUTPUT

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.

2–1

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

12 3 4 5

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与SN74F573相关器件

型号	品牌	获取价格	描述	数据表
SN74F573DW	TI	获取价格	OCTAL TRANSPARENT D-TYPE LATCHES WITH 3-STATE OUTPUTS
SN74F573DW-00	TI	获取价格	F/FAST SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20
SN74F573DWG4	TI	获取价格	OCTAL TRANSPARENT D-TYPE LATCHES WITH S0STATE OUTPUTS
SN74F573DWR	TI	获取价格	OCTAL TRANSPARENT D-TYPE LATCHES WITH S0STATE OUTPUTS
SN74F573DWRE4	TI	获取价格	F/FAST SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20, PLASTIC, DSO-20
SN74F573DWRG4	ROCHESTER	获取价格	Bus Driver, F/FAST Series, 1-Func, 8-Bit, True Output, TTL, PDSO20, PLASTIC, DSO-20
SN74F573DWRG4	TI	获取价格	F/FAST SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20, PLASTIC, DSO-20
SN74F573N	TI	获取价格	OCTAL TRANSPARENT D-TYPE LATCHES WITH 3-STATE OUTPUTS
SN74F573N-10	TI	获取价格	F/FAST SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDIP20
SN74F573NE4	TI	获取价格	Octal Transparent D-Type Latches With 3-State Outputs 20-PDIP 0 to 70

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