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MC74AC299 Datasheet, PDF (4/11 Pages) ON Semiconductor – 8−Input Universal Shift/Storage Register with Common Parallel I/O Pins
MC74AC299, MC74ACT299
DC CHARACTERISTICS
Symbol
Parameter
VIH
Minimum High Level
Input Voltage
VIL
Maximum Low Level
Input Voltage
VOH
Minimum High Level
Output Voltage
74AC
74AC
VCC
(V)
TA = +25°C
TA =
−40°C to
+85°C
Unit
Typ Guaranteed Limits
3.0
1.5 2.1
2.1
4.5 2.25 3.15
3.15
V
5.5 2.75 3.85
3.85
3.0
1.5 0.9
0.9
4.5 2.25 1.35
1.35
V
5.5 2.75 1.65
1.65
3.0 2.99 2.9
2.9
4.5 4.49 4.4
4.4
V
5.5 5.49 5.4
5.4
VOL
Maximum Low Level
Output Voltage
3.0
− 2.56
2.46
4.5
− 3.86
3.76
V
5.5
− 4.86
4.76
3.0 0.002 0.1
0.1
4.5 0.001 0.1
0.1
V
5.5 0.001 0.1
0.1
IIN
Maximum Input
Leakage Current
IOZT
Maximum 3−State
Current
3.0
− 0.36
0.44
4.5
− 0.36
0.44
V
5.5
− 0.36
0.44
5.5
− ±0.1
±1.0
μA
5.5
− ±0.6
±6.0
μA
IOLD
IOHD
†Minimum Dynamic
Output Current
5.5
−
−
75
mA
5.5
−
−
−75
mA
ICC
Maximum Quiescent
Supply Current
5.5
−
8.0
80
μA
*All outputs loaded; thresholds on input associated with output under test.
†Maximum test duration 2.0 ms, one output loaded at a time.
NOTE: IIN and ICC @ 3.0 V are guaranteed to be less than or equal to the respective limit @ 5.5 V VCC.
Conditions
VOUT = 0.1 V
or VCC − 0.1 V
VOUT = 0.1 V
or VCC − 0.1 V
IOUT = −50 μA
*VIN = VIL or VIH
−12 mA
IOH
−24 mA
−24 mA
IOUT = 50 μA
*VIN = VIL or VIH
12 mA
IOL
24 mA
24 mA
VI = VCC, GND
VI (OE) = VIL, VIH
VI = VCC, GND
VO = VCC, GND
VOLD = 1.65 V Max
VOHD = 3.85 V Min
VIN = VCC or GND
AC CHARACTERISTICS (For Figures and Waveforms − See Section 3 of the ON Semiconductor FACT Data Book, DL138/D)
74AC
74AC
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
Maximum Input
fmax
Frequency
3.3 90
−
5.0 130 −
−
80
−
−
105
−
MHz
3−3
Propagation Delay
tPLH
CP to Q0 or Q7
Propagation Delay
tPHL
CP to Q0 or Q7
*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 8.5
− 20.5 7.0 22
5.0 5.5
−
14 4.5 15
ns
3−6
3.3 8.5
− 21.5 7.0 23
5.0 5.5
− 14.5 5.0 16
ns
3−6
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