SN54LVT574

更新时间： 2024-11-24 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
15页	468K
描述
3.3-V ABT OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH 3-STATE OUTPUTS

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SN54LVT574 数据手册

SN54LVT574, SN74LVT574

3.3-V ABT OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS

WITH 3-STATE OUTPUTS

SCBS139D – MAY 1992 – REVISED JULY 1995

SN54LVT574 . . . J OR W PACKAGE

SN74LVT574 . . . DB, DW, OR PW PACKAGE

(TOP VIEW)

State-of-the-Art Advanced BiCMOS

Technology (ABT) Design for 3.3-V

Operation and Low Static Power

Dissipation

Support Mixed-Mode Signal Operation (5-V

Input and Output Voltages With 3.3-V V

)

Support Unregulated Battery Operation

Down to 2.7 V

Typical V

< 0.8 V at V

(Output Ground Bounce)

OLP

= 3.3 V, T = 25°C

13 7Q

12 8Q

ESD Protection Exceeds 2000 V Per

MIL-STD-883C, Method 3015; Exceeds

200 V Using Machine Model

(C = 200 pF, R = 0)

GND

CLK

SN54LVT574 . . . FK PACKAGE

(TOP VIEW)

Latch-Up Performance Exceeds 500 mA

Per JEDEC Standard JESD-17

Bus-Hold Data Inputs Eliminate the Need

for External Pullup Resistors

Support Live Insertion

20 19

Package Options Include Plastic

Small-Outline (DW), Shrink Small-Outline

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

Packages, Ceramic Chip Carriers (FK),

Ceramic Flat (W) Packages, and Ceramic

(J) DIPs

9 10 11 12 13

description

These octal flip-flops are designed specifically for low-voltage (3.3-V) V

provide a TTL interface to a 5-V system environment.

operation, but with the capability to

The eight flip-flops of the ′LVT574 are edge-triggered D-type flip-flops. On the positive transition of the clock

(CLK) input, the Q outputs are set to the logic levels set up 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 need for 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.

Active bus-hold circuitry is provided to hold unused or floating data inputs at a valid logic level.

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.

The SN74LVT574 is available in TI’s shrink small-outline package (DB), which provides the same I/O pin count

and functionality of standard small-outline packages in less than half the printed-circuit-board area.

The SN54LVT574 is characterized for operation over the full military temperature range of –55°C to 125°C. The

SN74LVT574 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...15

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与SN54LVT574相关器件

型号	品牌	获取价格	描述	数据表
SN54LVT574_06	TI	获取价格	3.3-V ABT OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH 3-STATE OUTPUTS
SN54LVT574FK	TI	获取价格	3.3-V ABT OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH 3-STATE OUTPUTS
SN54LVT574J	TI	获取价格	3.3-V ABT OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH 3-STATE OUTPUTS
SN54LVT574W	TI	获取价格	3.3-V ABT OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH 3-STATE OUTPUTS
SN54LVT639J	TI	获取价格	LVT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, CDIP20
SN54LVT646	TI	获取价格	3.3-V ABT OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS
SN54LVT646_14	TI	获取价格	3.3-V ABT OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS
SN54LVT646FK	TI	获取价格	3.3-V ABT OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS
SN54LVT646JT	TI	获取价格	3.3-V ABT OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS
SN54LVT646W	TI	获取价格	3.3-V ABT OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS

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