M74HCT646 Просмотр технического описания (PDF) - STMicroelectronics

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M74HCT646

HCT648 OCTAL BUS TRANSCEIVER/REGISTER (3-STATE, INV.) HCT646 OCTAL BUS TRANSCEIVER/REGISTER (3-STATE)

STMicroelectronics 

M74HCT646/648

DC SPECIFICATIONS

Symbol

Parameter

VIH High Level Input Voltage

VIL Low Level Input

Voltage

VOH High Level Output Voltage

VOL Low Level Output Voltage

II

Input Leakage Current (*)

ICC Quiescent Supply Current

IOZ Output Off-state Current

∆ICC Additional worst case supply

current

(*): Applicable only to DIR, G, CAB, CBA, SBA input.

Test Conditions

VCC

(V)

Value

TA = 25 oC

-40 to 85 oC

Min. Typ. Max. Min. Max.

4.5

2.0

2.0

to

5.5

4.5

0.8

0.8

to

5.5

VI = IO=-20 µA 4.4

4.5

VIH IO=-6.0 mA 4.18

or

VIL

4.5

4.31

4.4

4.13

VI = IO= 20 µA

4.5

VIH IO= 6.0 mA

or

VIL

0.0 0.1

0.17 0.26

0.1

0.33

5.5 VI = VCC or GND

5.5 VI = VCC or GND

5.5 VO = VCC or GND

VI = VIH or VIL

5.5 Per Input pin

VI = 0.5V or

VI = 2.4V

Other Inputs at

VCC or GND

IO= 0

±0.1

±1

4

40

æ0.5

±5

2.0

2.9

Unit

V

V

V

V

µA

µA

µA

mA

6/12

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