HD74HCT245FPEL データシートの表示（PDF） - Renesas Electronics

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HD74HCT245FPEL

Octal Bus Transceivers (with 3-state outputs)

Renesas Electronics 

HD74HCT245

Electrical Characteristics

Item

Input voltage

Output voltage

Off-state output

current

Input current

Quiescent current

Symbol VCC (V)

VIH 4.5 to 5.5

VIL 4.5 to 5.5

VOH

4.5

4.5

VOL

4.5

4.5

IOZ

5.5

Iin

5.5

ICC

5.5

Ta = 25°C

Min Typ Max

2.0 — —

— — 0.8

4.4 — —

4.18 — —

— — 0.1

— — 0.26

— — ±0.5

— — ±0.1

— — 4.0

Ta = –40 to+85°C

Min Max

2.0

—

—

0.8

4.4

—

4.13

—

—

0.1

—

0.33

—

±5.0

—

±1.0

—

40

Unit

V

V

V

V

µA

µA

µA

Test Conditions

Vin = VIH or VIL IOH = –20 µA

IOH = –6 mA

Vin = VIH or VIL IOL = 20 µA

IOL = 6 mA

Vin = VIH or VIL,

Vout = VCC or GND

Vin = VCC or GND

Vin = VCC or GND, Iout = 0 µA

Switching Characteristics

Item

Symbol VCC (V)

Propagation delay time tPLH

4.5

tPHL

4.5

Output enable time

tZL

4.5

tZH

4.5

Output disable time

tLZ

4.5

tHZ

4.5

Output rise/fall time

tTLH

4.5

tTHL

Input capacitance

Cin

—

Ta = 25°C

Min Typ Max

— 11 22

— 13 22

— 17 30

— 14 30

— 20 30

— 22 30

— 4 12

Ta = –40 to +85°C

Min

Max

—

28

—

28

—

38

—

38

—

38

—

38

—

15

—

5

10

—

10

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

Unit

Test Conditions

ns

ns

ns

ns

pF

Test Circuit

VCC

VCC

G

Input

Pulse Generator

Zout = 50 Ω

DIR

S1

A1

B1

Output

1 K Ω S2

CL =

50 pF

OPEN

GND

VCC

TEST

tPLH / tPHL

tZH / tHZ

tZL / tLZ

S2

OPEN

GND

VCC

Note : 1. CL includes probe and jig capacitance.

2. A2–B2, A3–B3, A4–B4, A5–B5, A6–B6, A7–B7, A8–B8 are identical to above load circuit.

3. S1 is a input / output swich.

Rev.2.00 Mar 30, 2006 page 3 of 6

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