xCLK

C

xD

C

C

C

C

xQ

C

xPRE

xQ

xCLR

C

C

C

C

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An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.

SN74HC74-Q1

SCLS577B – MARCH 2004 – REVISED APRIL 2020

SN74HC74-Q1 Automotive Qualified Dual D-Type Positive-Edge-Triggered Flip-Flops With

Clear and Preset

1

1 Features

1

•

AEC-Q100 Qualified for automotive applications:

–

Device temperature grade 1:

–40°C to +125°C, TA

•

Buffered inputs

•

Positive and negative input clamp diodes

•

Wide operating voltage range: 2 V to 6 V

•

Supports fanout up to 10 LSTTL loads

•

Significant power reduction compared to LSTTL

logic ICs

2 Applications

•

Convert a momentary switch to a toggle switch

•

Divide a clock signal by 2 or 4

3 Description

The SN74HC74-Q1 devices contain two independent

D-type

positive-edge-triggered

flip-flops

with

asynchronous preset and clear pins for each.

Device Information(1)

PART NUMBER

PACKAGE

BODY SIZE (NOM)

SN74HC74QDRQ1

SOIC (14)

8.70 mm × 3.90 mm

SN74HC74QPWRQ1

TSSOP (14)

5.00 mm × 4.40 mm

(1) For all available packages, see the orderable addendum at

the end of the data sheet.

Functional Pinout of the SN74HC74-Q1