HD74HCT374FPEL datasheet(4/8 Pages) RENESAS

Part #	HD74HCT374FPEL

Description	Octal D-type Flip-Flops (with inverted 3-state outputs)

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Manufacturer	RENESAS [Renesas Technology Corp]

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4 / 8 page

HD74HCT374, HD74HCT534

Rev.2.00 Mar 30, 2006 page 4 of 7

Electrical Characteristics

Ta = 25°C

Ta = –40 to+85°C

Item

Symbol

VCC (V)

Min

Typ

Max

Min

Max

Unit

Test Conditions

VIH

4.5 to 5.5

2.0

—

2.0

—

V

Input voltage

VIL

4.5 to 5.5

—

0.8

—

0.8

V

4.5

4.4

—

4.4

—

V

IOH = –20

µA

VOH

4.5

4.18

—

4.13

—

Vin = VIH or VIL

IOH = –6 mA

4.5

—

0.1

—

0.1

V

IOL = 20

µA

Output voltage

VOL

4.5

—

0.26

—

0.33

Vin = VIH or VIL

IOL = 6 mA

Off-state output

current

IOZ

5.5

—

±0.5

—

±5.0

µA

Vin = VIH or VIL,

Vout = VCC or GND

Input current

Iin

5.5

—

±0.1

—

±1.0

µA

Vin = VCC or GND

Quiescent current

ICC

5.5

—

4.0

—

40

µA

Vin = VCC or GND, Iout = 0

µA

Switching Characteristics

(CL = 50 pF, Input tr = tf = 6 ns)

Ta = 25°C

Ta = –40 to +85°C

Item

Symbol VCC (V)

Min

Typ

Max

Min

Max

Unit

Test Conditions

Maximum clock

frequency

fmax

4.5

—

30

—

24

MHz

tPLH

4.5

—

12

28

—

35

Propagation delay time

tPHL

4.5

—

15

28

—

35

ns

tZL

4.5

—

16

30

—

38

Output enable time

tZH

4.5

—

15

30

—

38

ns

tLZ

4.5

—

13

30

—

38

Output disable time

tHZ

4.5

—

16

30

—

38

ns

Setup time

tsu

4.5

20

2

—

25

—

ns

Data to clock

Hold time

th

4.5

5

0

—

6

—

ns

Clock to data

Pulse width

tw

4.5

16

5

—

20

—

ns

Clock, output control

Output rise/fall time

tTLH

tTHL

4.5

—

4

12

—

15

ns

Input capacitance

Cin

—

5

10

—

10

pF

Test Circuit

VCC

OPEN

GND

CL =

50 pF

OC

Zout = 50

Ω

1 k

Ω

VCC

S1

Pulse Generator

TEST

S1

tPLH / tPHL

OPEN

GND

tZH / tHZ

tZL / tLZ

1D to 8D

1Q to 8Q

or

1

Q to 8Q

Clock

Zout = 50

Ω

Pulse Generator

Note : 1. CL includes probe and jig capacitance.

Input

Output

Input

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