MC74ACT259(2015) 查看數據表（PDF） - ON Semiconductor
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MC74ACT259 Datasheet PDF : 9 Pages
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MC74AC259, MC74ACT259
AC OPERATING REQUIREMENTS
Symbol
Parameter
ts
Setup Time, HIGH or LOW
Dn to E
th
Hold Time, HIGH or LOW
Dn to E
ts
Setup Time
Address to E
th
Hold Time
Address to E
Minimum Pulse
tw
Width MR
Minimum Pulse
tw
Width E
*Voltage Range 5.0 V is 5.0 V ±0.5 V.
CAPACITANCE
Symbol
Parameter
CIN
Input Capacitance
CPD
Power Dissipation Capacitance
74ACT
74ACT
VCC*
(V)
TA = +25°C
CL = 50 pF
TA = −40°C to +85°C
CL = 50 pF
Unit
Fig.
No.
Typ
Guaranteed Minimum
5.0
−
3.0
4.0
ns
3−9
5.0
−
2.5
2.5
ns
3−9
5.0
−
4.5
6.5
ns
3−6
5.0
−
2.5
2.5
ns
3−6
5.0
−
7.0
7.5
ns
3−6
5.0
−
7.0
7.5
ns
3−6
Value
Typ
Unit
4.5
pF
50.0
pF
Test Conditions
VCC = 5.0 V
VCC = 5.0 V
ORDERING INFORMATION
Part Number
Package
Shipping†
MC74AC259DG
SOIC−16
(Pb−Free)
48 Units / Rail
MC74AC259DR2G
SOIC−16
(Pb−Free)
2500 / Tape & Reel
MC74ACT259DG
SOIC−16
(Pb−Free)
48 Units / Rail
MC74ACT259DR2G
SOIC−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
8
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