MC74AC299 Datasheet, PDF (5/11 Pages) ON Semiconductor – 8−Input Universal Shift/Storage Register with Common Parallel I/O Pins

MC74AC299, MC74ACT299
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
CP to I/O_n
Propagation Delay
t_PHL
CP to I/O_n
Propagation Delay
t_PHL
MR to Q₀ or Q₇
Propagation Delay
t_PHL
MR to I/O_n
Output Enable Time
t_PZH
OE to I/O_n
Output Enable Time
t_PZL
OE to I/O_n
Output Disable Time
t_PHZ
OE to I/O_n
Output Disable Time
t_PLZ
OE to I/O_n
*Voltage Range 3.3 V is 3.3 V ±0.3 V.
Voltage Range 5.0 V is 5.0 V ±0.5 V.
3.3 9.0
− 20.5 7.5 22.5
5.0 6.0
− 14.5 5.0 16
ns
3−6
3.3 10
−
23 8.5 24.5
5.0 6.5
−
16
6.0 17.5
ns
3−6
3.3 9.0
− 22.5 7.5 25.0
5.0 5.5
− 15.5 5.0 17.0
ns
3−6
3.3 9.0
− 21.5 7.5 24.0
5.0 5.5
− 15.0 5.0 16.5
ns
3−6
3.3 7.0
−
18 6.0 19.5
5.0 4.5
− 12.5 4.0 13.5
ns
3−7
3.3 7.0
−
18 6.0 20.5
5.0 5.0
− 12.5 4.0 14
ns
3−8
3.3 6.5
− 18.5 5.5 19.5
5.0 3.5
−
14 3.0 15
ns
3−7
3.3 5.5
−
17 4.5 19
5.0 3.5
− 12.5 2.0 13.5
ns
3−8
AC OPERATING REQUIREMENTS
Symbol
Parameter
Setup Time, HIGH or LOW
t_s
S₀ or S₁ to CP
Hold Time, HIGH or LOW
t_h
S₀ or S₁ to CP
Setup Time, HIGH or LOW
t_s
I/O_n to CP
Hold Time, HIGH or LOW
t_h
I/O_n to CP
Setup Time, HIGH or LOW
t_s
DS₀ or DS₇ to CP
Hold Time, HIGH or LOW
t_h
DS₀ or DS₇ to CP
t_w
CP Pulse Width, LOW
t_w
MR Pulse Width, LOW
Recovery TIme
t_rec
MR to CP
*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
−
8.0
5.0
−
5.0
8.5
5.5
ns
3−9
3.3
−
0.5
5.0
−
1.0
0.5
1.0
ns
3−9
3.3
−
5.5
5.0
−
3.5
6.0
4.0
ns
3−9
3.3
−
0
5.0
−
1.0
0
1.0
ns
3−9
3.3
−
6.5
5.0
−
4.0
7.0
4.5
ns
3−6
3.3
−
0
5.0
−
1.0
0.5
1.0
ns
3−6
3.3
−
4.5
5.0
−
3.5
5.0
3.5
ns
3−6
3.3
−
4.5
5.0
−
3.5
5.0
3.5
ns
3−9
3.3
−
1.5
5.0
−
1.5
1.5
1.5
ns
3−9
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