HD74HCT640 データシートの表示（PDF） - Hitachi -> Renesas Electronics

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HD74HCT640

Octal Bus Transceivers (with 3-state outputs)

Hitachi -> Renesas Electronics 

HD74HCT640/HD74HCT643

DC Characteristics

Ta = 25°C

Ta = –40 to

+85°C

Test Conditions

Item

Input voltage

Symbol Min Typ Max Min

VIH

2.0 — — 2.0

Max

—

Unit

V

VCC (V)

4.5 to

5.5

VIL

— — 0.8 — 0.8 V 4.5 to

5.5

Output voltage

VOH

VOL

Off-state output IOZ

current

Input current

Iin

Quiescent current ICC

4.4 — — 4.4 — V 4.5

4.18 — — 4.13 —

4.5

— — 0.1 — 0.1 V 4.5

— — 0.26 — 0.33

4.5

— — ±0.5 — ±5.0 µA 5.5

— — ±0.1 —

— — 4.0 —

±1.0 µA 5.5

40 µA 5.5

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

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

Item

Symbol

Propagation delay tPLH

time

t PHL

Output enable

t ZH

time

t ZL

Output disable

t HZ

time

t LZ

Output rise/fall

t TLH

time

t THL

Input capacitance Cin

Ta = 25°C

Ta = –40 to

+85°C

Min Typ Max Min Max

— 13 18 — 23

— 16 18 — 23

— 16 46 — 58

— 16 46 — 58

— 17 43 — 54

— 21 43 — 54

— 4 12 — 15

— 5 10 — 10

Unit

ns

ns

ns

ns

pF

Test Conditions

VCC (V)

4.5

4.5

4.5

4.5

4.5

4.5

4.5

—

5

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