HD74BC574AFPEL datasheet(4/8 Pages) RENESAS

4 / 8 page

HD74BC574A

Rev.3.00, Jul.16.2004, page 4 of 7

Switching Test Method (C

L = 50 pF)

Ta = 25°C

CC = 5.0 V

Ta = –40 to 85°C

CC = 5.0 V ±10%

Item

Symbol

Min

Max

Min

Max

Unit

Test conditions

Propagation

→ Qt

PLH

3.0

8.0

3.0

10.0

See under figure

delay time

PHL

3.0

8.0

3.0

10.0

Output enable time

3.0

9.0

3.0

11.0

3.0

9.0

3.0

11.0

Output disable time

3.0

8.0

3.0

10.0

3.0

8.0

3.0

10.0

Setup time

s(H)

2.0

—

2.0

—

s(L)

2.0

—

2.0

—

Hold time

h(H)

2.0

—

2.0

—

h(L)

2.0

—

2.0

—

Pulse width

W(H)

6.0

—

6.0

—

W(L)

6.0

—

6.0

—

Input capacitance

3.0 (Typ) —

—

IN = VCC or GND

Output capacitance

15.0 (Typ)

—

O = VCC or GND

Test Circuit

VCC

1Q to 8Q

1D to 8D

OPEN

500 Ω

450 Ω

Pulse Generator

Zout = 50 Ω

Pulse Generator

Zout = 50 Ω

Input

VCC

50 Scope

Ω

C =

50 pF

Output

Notes:

L includes probe and jig capacitance.

OPEN: t

PLH, tPHL, tZH, tHZ,th, ts tw

7 V: t

ZL, tLZ

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