MC74AC646(2001) Просмотр технического описания (PDF) - ON Semiconductor

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Компоненты Описание

производитель

MC74AC646
(Rev.:2001)

Octal Transceiver/Register with 3-State Outputs (Non-inverting)

ON Semiconductor 

MC74AC646, MC74ACT646

DC CHARACTERISTICS

Symbol

Parameter

VIH

VIL

VOH

Minimum High Level

Input Voltage

Maximum Low Level

Input Voltage

Minimum High Level

Output Voltage

74AC

74AC

VCC

(V)

TA = +25°C

TA =

–40°C to

+85°C

Unit

Typ Guaranteed Limits

3.0

1.5 2.1

2.1

4.5 2.25 3.15

3.15

V

5.5 2.75 3.85

3.85

3.0

1.5 0.9

0.9

4.5 2.25 1.35

1.35

V

5.5 2.75 1.65

1.65

3.0 2.99 2.9

2.9

4.5 4.49 4.4

4.4

V

5.5 5.49 5.4

5.4

VOL

Maximum Low Level

Output Voltage

3.0

– 2.56

2.46

4.5

– 3.86

3.76

V

5.5

– 4.86

4.76

3.0 0.002 0.1

0.1

4.5 0.001 0.1

0.1

V

5.5 0.001 0.1

0.1

3.0

– 0.36

0.44

4.5

– 0.36

0.44

V

5.5

– 0.36

0.44

IIN

Maximum Input

Leakage Current

5.5

– ±0.1

±1.0

µA

IOZT

Maximum

3-State

Current

5.5

– ±0.6

±6.0

µA

IOLD

IOHD

ICC

†Minimum Dynamic

Output Current

Maximum Quiescent

Supply Current

5.5

–

–

75

mA

5.5

–

–

–75

mA

5.5

–

8.0

80

µA

*All outputs loaded; thresholds on input associated with output under test.

†Maximum test duration 2.0 ms, one output loaded at a time.

NOTE: IIN and ICC @ 3.0 V are guaranteed to be less than or equal to the respective limit @ 5.5 V VCC.

Conditions

VOUT = 0.1 V

or VCC – 0.1 V

VOUT = 0.1 V

or VCC – 0.1 V

IOUT = –50 µA

*VIN = VIL or VIH

–12 mA

IOH –24 mA

–24 mA

IOUT = 50 µA

*VIN = VIL or VIH

12 mA

IOL

24 mA

24 mA

VI = VCC, GND

VI (OE) = VIL, VIH

VI = VCC, GND

VO = VCC, GND

VOLD = 1.65 V Max

VOHD = 3.85 V Min

VIN = VCC or GND

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