54AC821 Datasheet, PDF (3/11 Pages) National Semiconductor (TI) – 10-Bit D Flip-Flop with TRI-STATE Outputs

Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage (V_CC)
DC Input Diode Current (I_IK)
V_I = −0.5V
V_I = V_CC + 0.5V
DC Input Voltage (V_I)
DC Output Diode Current (I_OK)
V_O = −0.5V
V_O = V_CC + 0.5V
DC Output Voltage (V_O)
DC Output Source
or Sink Current (I_O)
DC V_CC or Ground Current
per Output Pin (I_CC or I_GND)
Storage Temperature (T_STG)
Junction Temperature (T_J)
CDIP
−0.5V to +7.0V
−20 mA
+20 mA
−0.5V to V_CC + 0.5V
−20 mA
+20 mA
−0.5V to V_CC + 0.5V
±50 mA
±50 mA
−65°C to +150°C
175°C
Recommended Operating
Conditions
Supply Voltage (V_CC)
'AC
'ACT
Input Voltage (V_I)
Output Voltage (V_O)
Operating Temperature (T_A)
54AC/ACT
2.0V to 6.0V
4.5V to 5.5V
0V to V_CC
0V to V_CC
−55°C to +125°C
Minimum Input Edge Rate (ΔV/Δt)
'AC Devices
V_IN from 30% to 70% of V_CC
V_CC @ 3.3V, 4.5V, 5.5V
Minimum Input Edge Rate (ΔV/Δt)
'ACT Devices
V_IN from 0.8V to 2.0V
V_CC @ 4.5V, 5.5V
125 mV/ns
125 mV/ns
Note 1: Absolute maximum ratings are those values beyond which damage
to the device may occur. The databook specifications should be met, without
exception, to ensure that the system design is reliable over its power supply,
temperature, and output/input loading variables. National does not
recommend operation of FACT™ circuits outside databook specifications.
DC Characteristics for 'AC Family Devices
Symbol
Parameter
V_IH
Minimum High Level
Input Voltage
V_IL
Maximum Low Level
Input Voltage
V_OH
Minimum High Level
Output Voltage
V_OL
Maximum Low Level
Output Voltage
I_IN
Maximum Input
Leakage Current
54AC
V_CC
T_A = −55°C to +125°C
Units
(V)
Guaranteed Limits
Conditions
3.0
2.1
4.5
3.15
5.5
3.85
V_OUT = 0.1V
V
or V_CC − 0.1V
3.0
0.9
4.5
1.35
5.5
1.65
V_OUT = 0.1V
V
or V_CC − 0.1V
3.0
2.9
4.5
4.4
I_OUT = −50 μA
V
5.5
5.4
(Note 2)
3.0
2.4
4.5
3.7
5.5
4.7
3.0
0.1
4.5
0.1
V_IN = V_IL or V_IH
I_OH = −12 mA
V
I_OH = −24 mA
I_OH = −24 mA
I_OUT = 50 μA
V
5.5
0.1
(Note 2)
V_IN = V_IL or V_IH
3.0
0.50
I_OL = 12 mA
4.5
0.50
V
I_OL = 24 mA
5.5
0.50
I_OL = 24 mA
5.5
±1.0
μA
V_I = V_CC, GND
3
100355 Version 2 Revision 2 Print Date/Time: 2011/08/01 09:34:58
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