SN74AUC74

更新时间： 2024-09-28 22:17:51

品牌	Logo	应用领域
德州仪器 - TI		触发器
页数	文件大小	规格书
7页	146K
描述
DUAL POSITIVE-EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH CLEAR AND PRESET

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SN74AUC74 数据手册

SN74AUC74

DUAL POSITIVE-EDGE-TRIGGERED D-TYPE FLIP-FLOPS

WITH CLEAR AND PRESET

SCES483 – AUGUST 2003

RGY PACKAGE

(TOP VIEW)

Optimized for 1.8-V Operation and Is 3.6-V

I/O Tolerant to Support Mixed-Mode Signal

Operation

Supports Partial-Power-Down Mode

off

Operation

Sub 1-V Operable

1CLK

1PRE

13 2CLR

12 2D

Max t of 1.8 ns at 1.8-V

Low Power Consumption, 10-µA Max I

2CLK

2PRE

8-mA Output Drive at 1.8 V

Latch-Up Performance Exceeds 100 mA Per

JESD 78, Class II

ESD Protection Exceeds JESD 22

– 2000-V Human-Body Model (A114-A)

– 200-V Machine Model (A115-A)

– 1000-V Charged-Device Model (C101)

description/ordering information

Thisdualpositive-edge-triggeredD-typeflip-flopisoperationalat0.8-Vto2.7-VV ,butisdesignedspecifically

for 1.65-V to 1.95-V V

operation.

A low level at the preset (PRE) or clear (CLR) inputs sets or resets the outputs, regardless of the levels of the

other inputs. When PRE and CLR are inactive (high), data at the data (D) input meeting the setup time

requirements is transferred to the outputs on the positive-going edge of the clock pulse. Clock triggering occurs

at a voltage level and is not directly related to the rise time of the clock pulse. Following the hold-time interval,

data at the D input can be changed without affecting the levels at the outputs. To better optimize the flip-flop

for higher frequencies, the CLR input overrides the PRE input when they are both low.

This device is fully specified for partial-power-down applications using I . The I circuitry disables the outputs,

off

preventing damaging current backflow through the device when it is powered down.

ORDERING INFORMATION

ORDERABLE

PART NUMBER

TOP-SIDE

MARKING

†

PACKAGE

–40°C to 85°C QFN – RGY

Tape and reel

SN74AUC74RGYR

MS74

†

Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines

are available at www.ti.com/sc/package.

FUNCTION TABLE

INPUTS

OUTPUTS

PRE

CLR

CLK

↑

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SN74AUC74相关器件

型号	品牌	获取价格	描述	数据表
SN74AUC74_07	TI	获取价格	DUAL POSITIVE-EDGE-TRIGGERED D-TYPE FLIP-FLOP WITH CLEAR AND PRESET
SN74AUC74_09	TI	获取价格	DUAL POSITIVE-EDGE-TRIGGERED D-TYPE FLIP-FLOP WITH CLEAR AND PRESET
SN74AUC74_10	TI	获取价格	DUAL POSITIVE-EDGE-TRIGGERED D-TYPE FLIP-FLOP WITH CLEAR AND PRESET
SN74AUC74RGYR	TI	获取价格	DUAL POSITIVE-EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH CLEAR AND PRESET
SN74AUC74RGYRG4	TI	获取价格	DUAL POSITIVE-EDGE-TRIGGERED D-TYPE FLIP-FLOP WITH CLEAR AND PRESET
SN74AUCH16244	TI	获取价格	16-BIT BUFFER/DRIVER WITH 3-STATE OUTPUTS
SN74AUCH16244_07	TI	获取价格	16-BIT BUFFER/DRIVER WITH 3-STATE OUTPUTS
SN74AUCH16244DGGR	TI	获取价格	16-BIT BUFFER/DRIVER WITH 3-STATE OUTPUTS
SN74AUCH16244DGVR	TI	获取价格	16-BIT BUFFER/DRIVER WITH 3-STATE OUTPUTS
SN74AUCH16244GQLR	TI	获取价格	16-BIT BUFFER/DRIVER WITH 3-STATE OUTPUTS

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