MC74AC257DG Ver la hoja de datos (PDF) - ON Semiconductor
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MC74AC257DG Datasheet PDF : 9 Pages
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MC74AC257, MC74ACT257
AC CHARACTERISTICS (For Figures and Waveforms − See Section 3 of the ON Semiconductor FACT Data Book, DL138/D)
74ACT
74ACT
Symbol
Parameter
VCC*
(V)
TA = +25°C
CL = 50 pF
TA = −40°C
to +85°C
CL = 50 pF
Unit
Fig.
No.
Min Typ Max Min Max
tPLH
Propagation Delay
In to Zn
tPHL
Propagation Delay
In to Zn
tPLH
Propagation Delay
S to Zn
tPHL
Propagation Delay
S to Zn
tPZH
Output Enable Time
tPZL
Output Enable Time
tPHZ
Output Disable Time
tPLZ
Output Disable Time
*Voltage Range 5.0 V is 5.0 V ±0.5 V.
5.0 1.5 5.0 7.0 1.0 7.5
ns
3−6
5.0 2.0 6.0 7.5 1.5 8.5
ns
3−6
5.0 2.0 7.0 9.5 1.5 10.5 ns
3−6
5.0 2.5 7.0 10.5 2.0 11.5 ns
3−6
5.0 2.0 6.0 8.0 1.5 9.0
ns
3−7
5.0 2.0 6.0 8.0 1.5 9.0
ns
3−8
5.0 2.5 6.5 9.0 1.5 10.0 ns
3−7
5.0 2.0 6.0 7.5 1.5 8.5
ns
3−8
CAPACITANCE
Symbol
Parameter
CIN
Input Capacitance
CPD
Power Dissipation Capacitance
Value
Typ
Unit
4.5
pF
50
pF
Test Conditions
VCC = 5.0 V
VCC = 5.0 V
ORDERING INFORMATION
Device Order Number
Package
Shipping†
MC74AC257DG
SOIC−16
(Pb−Free)
48 Units / Rail
MC74AC257DR2G
SOIC−16
(Pb−Free)
2500 / Tape & Reel
MC74AC257DTR2G
TSSOP−16
(Pb−Free)
2500 / Tape & Reel
MC74ACT257DG
SOIC−16
(Pb−Free)
48 Units / Rail
MC74ACT257DR2G
SOIC−16
(Pb−Free)
2500 / Tape & Reel
MC74ACT257DTR2G
TSSOP−16
(Pb−Free)
2500 / Tape & Reel
†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specifications Brochure, BRD8011/D.
www.onsemi.com
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