74AC259 Просмотр технического описания (PDF) - ON Semiconductor
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74AC259 Datasheet PDF : 11 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
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