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74ACTQ821SPC Datasheet(PDF) 4 Page - Fairchild Semiconductor

Part No. 74ACTQ821SPC
Description  Quiet Series 10-Bit D-Type Flip-Flop with 3-STATE Outputs
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Maker  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
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4
DC Electrical Characteristics (Continued)
Note 2: All outputs loaded; thresholds on input associated with output under test.
Note 3: Maximum test duration 2.0 ms, one output loaded at a time.
Note 4: DIP package.
Note 5: Max number of outputs defined as (n). Data inputs are driven 0V to 3V. One output @ GND.
Note 6: Maximum number of data inputs (n) switching. (n
−1) inputs switching 0V to 3V. Input-under-test switching: 3V to threshold (V
ILD),
0V to threshold (VIHD), f = 1 MHz.
AC Electrical Characteristics
Note 7: Voltage Range 5.0 is 5.0V
± 0.5V
Note 8: Skew is defined as the absolute value of the difference between the actual propagation delay for any two outputs within the same packaged device.
The specification applies to any outputs switching in the same direction, either HIGH-to-LOW (tOSHL) or LOW-to-HIGH (tOSLH). Parameter guaranteed by
design. Not tested.
AC Operating Requirements
Note 9: Voltage Range 5.0 is 5.0V
± 0.5V
Capacitance
VCC
TA = + 25°CTA = − 40°C to + 85°C
Symbol
Parameter
(V)
CL = 50 pF
CL = 50 pF
Units
(Note 7)
Min
Typ
Max
Min
Max
fMAX
Maximum Clock
5.0
120
110
MHz
Frequency
tPLH
Propagation Delay
5.0
3.0
6.5
9.5
2.5
10.5
ns
tPHL
CP to On
tPZH
Output Enable Time
5.0
3.0
7.5
10.5
2.5
11.5
ns
tPZL
OE to On
tPHZ
Output Disable Time
5.0
1.0
6.5
8.5
1.0
9.0
ns
tPLZ
OE to On
tOSLH
Output to Output Skew
5.0
0.5
1.0
1.0
ns
tOSHL
CP to On (Note 8)
VCC
TA = + 25°CTA = − 40°C to + 85°C
Symbol
Parameter
(V)
CL = 50 pF
CL = 50 pF
Units
(Note 9)
Typ
Guaranteed Minimum
tS
Setup Time, HIGH or LOW
5.0
3.0
3.0
ns
Dn to CP
tH
Hold Time, HIGH or LOW
5.0
1.5
1.5
ns
Dn to CP
tH
CP Pulse Width
5.0
4.5
5.5
ns
HIGH or LOW
Symbol
Parameter
Typ
Units
Conditions
CIN
Input Capacitance
4.5
pF
VCC = OPEN
CPD
Power Dissipation Capacitance
55.0
pF
VCC = 5.0V




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