SN54LVC574

更新时间： 2024-11-22 23:03:07

品牌	Logo	应用领域
德州仪器 - TI		触发器输出元件
页数	文件大小	规格书
9页	144K
描述
OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH 3-STATE OUTPUTS

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SN54LVC574 数据手册

SN54LVC574A, SN74LVC574A

OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS

WITH 3-STATE OUTPUTS

SCAS301J – JANUARY 1993 – REVISED JULY 1998

SN54LVC574A . . . J OR W PACKAGE

SN74LVC574A . . . DB, DW, OR PW PACKAGE

(TOP VIEW)

EPIC (Enhanced-Performance Implanted

CMOS) Submicron Process

Typical V

< 0.8 V at V

(Output Ground Bounce)

OLP

= 3.3 V, T = 25°C

Typical V

> 2 V at V

(Output V

Undershoot)

OHV

18 2Q

17 3Q

16 4Q

= 3.3 V, T = 25°C

Support Mixed-Mode Signal Operation on

All Ports (5-V Input/Output Voltage With

CLK

3.3-V V

)

Power Off Disables Outputs, Permitting

Live Insertion

ESD Protection Exceeds 2000 V Per

MIL-STD-883, Method 3015; Exceeds 200 V

Using Machine Model (C = 200 pF, R = 0)

GND

SN54LVC574A . . . FK PACKAGE

(TOP VIEW)

Latch-Up Performance Exceeds 250 mA Per

JESD 17

Package Options Include Plastic

Small-Outline (DW), Shrink Small-Outline

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

Ceramic Flat (W) Packages, Ceramic Chip

Carriers (FK), and DIPs (J)

2 1 20 19

description

9 10 11 12 13

The SN54LVC574A octal edge-triggered D-type

flip-flop is designed for 2.7-V to 3.6-V V

operation and the SN74LVC574A octal

edge-triggered D-type flip-flop is designed for

1.65-V to 3.6-V V

operation.

These devices 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.

On the positive transition of the clock (CLK) input, the Q outputs are set to the logic levels at the data (D) inputs.

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 interface or pullup components.

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

while the outputs are in the high-impedance state.

To ensure the high-impedance state during power up or power down, OE should be tied to V through a pullup

resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.

Inputs can be driven from either 3.3-V or 5-V devices. This feature allows the use of these devices as translators

in a mixed 3.3-V/5-V system environment.

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.

EPIC is a trademark of Texas Instruments Incorporated.

On products compliant to MIL-PRF-38535, all parameters are tested

unless otherwise noted. On all other products, production

processing does not necessarily include testing of all parameters.

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...9

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与SN54LVC574相关器件

型号	品牌	获取价格	描述	数据表
SN54LVC574A	TI	获取价格	OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH 3-STATE OUTPUTS
SN54LVC574A_10	TI	获取价格	OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH 3-STATE OUTPUTS
SN54LVC574AFK	TI	获取价格	OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH 3-STATE OUTPUTS
SN54LVC574AJ	TI	获取价格	OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH 3-STATE OUTPUTS
SN54LVC574AW	TI	获取价格	OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH 3-STATE OUTPUTS
SN54LVC646A	TI	获取价格	OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS
SN54LVC646AFK	TI	获取价格	OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS
SN54LVC646A-SP	TI	获取价格	RAD-TOLERANT CLASS V OCTAL BUS TRANSCEIVER AND REGISTER WITH 3-STATE OUTPUTS
SN54LVC652A	TI	获取价格	OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS
SN54LVC652A_15	TI	获取价格	OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS

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