MC74ACT245DWG(2015) Просмотр технического описания (PDF) - ON Semiconductor

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MC74ACT245DWG
(Rev.:2015)

Octal Bidirectional Transceiver with 3-State Inputs/Outputs

ON Semiconductor 

MC74AC245, MC74ACT245

AC CHARACTERISTICS (For Figures and Waveforms − See AND8277/D at www.onsemi.com)

74ACT

74ACT

Symbol

Parameter

VCC*

(V)

TA = +25°C

CL = 50 pF

TA = −40°C

to +85°C

Unit

Fig.

CL = 50 pF

No.

Min Typ Max Min Max

tPLH

Propagation Delay, An to Bn or Bn to An

5.0 1.5 4.0 7.5 1.5 8.0

ns

3−5

tPHL

Propagation Delay, An to Bn or Bn to An

tPZH

Output Enable Time

5.0 1.5 4.0 8.0 1.0 9.0

ns

3−5

5.0 1.5 5.0 10 1.5 11.0 ns

3−7

tPZL

Output Enable Time

5.0 1.5 5.5 10 1.5 12.0 ns

3−8

tPHZ

Output Disable Time

5.0 1.5 5.5 10 1.0 11.0 ns

3−7

tPLZ

Output Disable Time

*Voltage Range 5.0 V is 5.0 V ±0.5 V.

5.0 2.0 5.0 10 1.5 11.0 ns

3−8

CAPACITANCE

Symbol

Parameter

CIN

Input Capacitance

CI/O

Input/Output Capacitance

CPD

Power Dissipation Capacitance

Value

Unit

Typ

4.5

pF

15

pF

45

pF

Test Conditions

VCC = 5.0 V

VCC = 5.0 V

VCC = 5.0 V

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