MC74AC259_15 Datasheet, PDF (6/9 Pages) ON Semiconductor – 8-Bit Addressable Latch

MC74AC259, MC74ACT259
AC CHARACTERISTICS (For Figures and Waveforms − See Section 3 of the ON Semiconductor FACT Data Book, DL138/D)
74AC
74AC
Symbol
Parameter
V_CC*
(V)
T_A = +25°C
C_L = 50 pF
T_A = −40°C
to +85°C
C_L = 50 pF
Unit
Fig.
No.
Min Typ Max Min Max
Propagation Delay
t_PLH
D_n to Q_n
Propagation Delay
t_PHL
D_n to Q_n
Propagation Delay
t_PLH
E to Q_n
Propagation Delay
t_PHL
E to Q_n
Propagation Delay
t_PLH
Address to Q_n
Propagation Delay
t_PHL
Address to Q_n
Propagation Delay
t_PHL
MR to Q
3.3 2.0 9.0 14.5 1.5 17.0
5.0 2.0 6.5 10.0 1.5 11.5
ns
3−5
3.3 2.0 9.0 13.5 1.5 16.0
5.0 2.0 6.0 9.5 1.5 11.0
ns
3−5
3.3 2.0 10.5 15.0 1.5 17.5
5.0 2.0 7.0 10.5 1.5 12.5
ns
3−6
3.3 2.0 8.0 12.5 1.5 15.0
5.0 2.0 7.5 9.0 1.5 11.0
ns
3−6
3.3 2.0 12.0 19.0 1.5 22.5
5.0 2.0 8.0 13.0 1.5 15.5
ns
3−6
3.3 2.0 10.0 16.0 1.5 19.0
5.0 2.0 7.0 11.0 1.5 13.0
ns
3−6
3.3 2.0 8.0 12.0 1.5 13.5
5.0 2.0 6.0 9.0 1.5 10.0
ns
3−7
*Voltage Range 3.3 V is 3.3 V ±0.3 V.
*Voltage Range 5.0 V is 5.0 V ±0.5 V.
AC OPERATING REQUIREMENTS
Symbol
Parameter
Setup Time, HIGH or LOW
t_s
D_n to E
Hold Time, HIGH or LOW
t_h
D_n to E
Setup Time
t_s
Address to E
Hold Time
t_h
Address to E
Minimum Pulse
t_w
Width MR
Minimum Pulse
t_w
Width E
*Voltage Range 3.3 V is 3.3 V ±0.3 V.
*Voltage Range 5.0 V is 5.0 V ±0.5 V.
74AC
74AC
V_CC*
(V)
T_A = +25°C
C_L = 50 pF
T_A = −40°C to +85°C
C_L = 50 pF
Unit
Fig.
No.
Typ
Guaranteed Minimum
3.3
−
3.5
5.0
−
2.5
4.5
3.5
ns
3−9
3.3
−
2.5
5.0
−
2.0
2.5
2.0
ns
3−9
3.3
−
7.0
5.0
−
4.0
9.0
6.0
ns
3−6
3.3
−
2.0
5.0
−
2.0
3.3
−
6.0
5.0
−
5.5
2.0
2.0
ns
3−6
6.5
6.0
ns
3−6
3.3
−
6.5
5.0
−
5.5
7.0
6.0
ns
3−6
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