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54FCT244 数据表(PDF) 3 Page - Rochester Electronics

部件名 54FCT244
功能描述  Octal Buffer/Line Driver with TRI-STATE Outputs TTL input and output level compatible
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制造商  ROCHESTER [Rochester Electronics]
网页  http://www.rocelec.com/
标志 ROCHESTER - Rochester Electronics

54FCT244 数据表(HTML) 3 Page - Rochester Electronics

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54FCT224
Specification Number 54FCT244-M (N) REV A
Page 3 of 6
Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Storage Temperature
−65˚C to +150˚C
Ambient Temperature under Bias
−55˚C to +125˚C
Junction Temperature under Bias
Ceramic
−55˚C to +175˚C
VCC Pin Potential to Ground Pin
−0.5V to +7.0V
Input Voltage (Note 2)
−0.5V to +7.0V
Input Current (Note 2)
−30 mA to +5.0 mA
Voltage Applied to Any Output
in the Disabled or
Power-Off State
−0.5V to 5.5V
in the HIGH State
−0.5V to VCC
Current Applied to Output
in LOW State (Max)
twice the rated IOL (mA)
DC Latchup Source Current
−500 mA
Recommended Operating
Conditions
Free Air Ambient Temperature
Military
−55˚C to +125˚C
Supply Voltage
Military
+4.5V to +5.5V
Minimum Input Edge Rate
(∆V/∆t)
Data Input
50 mV/ns
Enable Input
20 mV/ns
DC Electrical Characteristics for ’FCT Family Devices
Symbol
Parameter
FCT244
Units
VCC
Conditions
Min
Max
VIH
Input HIGH Voltage
2.0
V
Recognized HIGH Signal
VIL
Input LOW Voltage
0.8
V
Recognized LOW Signal
VCD
Input Clamp Diode Voltage
−1.2
V
Min
IIN = −18 mA
VOH
Output HIGH
Voltage
54FCT
4.3
V
Min
IOH = −300 µA
54FCT
2.4
IOH = −12 mA
VOL
Output LOW
Voltage
54FCT
0.2
V
Min
IOL = 300 µA
54FCT
0.55
IOL = 48 mA
IIH
Input HIGH Current
5
µA
Max
VIN = VCC
IIL
Input LOW Current
−5
µA
Max
VIN = 0.0V
IOZ
Maximum TRI-STATE Current HIGH or
LOW
±10
µA
Max
VIN = 0.0V or VIN = VCC
IOS
Output Short-Circuit Current
-60
mA
Max
VOUT = 0.0V
ICCQ
Quiescent Power Supply Current
1.5
mA
Max
VIN < 0.2V or VIN 5.3V, VCC =
5.5V
∆ICC
Quiescent Power
Supply Current
2.0
mA
Max
VI = 3.4V, VCC = 5.5V
ICCD
Dynamic ICC
0.4
mA/
MHz
Max
Outputs Open, VCC = 5.5V, VIN
5.3V or VIN < 0.2V, One Bit
Toggling, 50% Duty Cycle, OE =
GND, LE = VCC
ICCT
Total Power Supply
Current
6.0
mA
Max
Outputs Open, fCP = 10 MHz,
VCC = 5.5V, VIN 5.3V or VIN <
0.2V, One Bit Toggling, 50%
Duty Cycle, OE = GND, LE =
VCC
Note 1: Absolute maximum ratings are values beyond which the device may be damaged or have its useful life impaired. Functional operation under these conditions
is not implied.
Note 2: Either voltage limit or current limit is sufficient to protect inputs.
Note 3: All outputs loaded; thresholds on input associated with output under test.
Note 4: Maximum test duration 2.0 ms, one output loaded at a time.
www.national.com
2
TABLE 5
SPECIFICATION NUMBER: 54FCT244-M (N) REV -
Page 2 of 5
Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Storage Temperature
−65˚C to +150˚C
Ambient Temperature under Bias
−55˚C to +125˚C
Junction Temperature under Bias
Ceramic
−55˚C to +175˚C
VCC Pin Potential to Ground Pin
−0.5V to +7.0V
Input Voltage (Note 2)
−0.5V to +7.0V
Input Current (Note 2)
−30 mA to +5.0 mA
Voltage Applied to Any Output
in the Disabled or
Power-Off State
−0.5V to 5.5V
in the HIGH State
−0.5V to VCC
Current Applied to Output
in LOW State (Max)
twice the rated IOL (mA)
DC Latchup Source Current
−500 mA
Recommended Operating
Conditions
Free Air Ambient Temperature
Military
−55˚C to +125˚C
Supply Voltage
Military
+4.5V to +5.5V
Minimum Input Edge Rate
(∆V/∆t)
Data Input
50 mV/ns
Enable Input
20 mV/ns
DC Electrical Characteristics for ’FCT Family Devices
Symbol
Parameter
FCT244
Units
VCC
Conditions
Min
Max
VIH
Input HIGH Voltage
2.0
V
Recognized HIGH Signal
VIL
Input LOW Voltage
0.8
V
Recognized LOW Signal
VCD
Input Clamp Diode Voltage
−1.2
V
Min
IIN = −18 mA
VOH
Output HIGH
Voltage
54FCT
4.3
V
Min
IOH = −300 µA
54FCT
2.4
IOH = −12 mA
VOL
Output LOW
Voltage
54FCT
0.2
V
Min
IOL = 300 µA
54FCT
0.55
IOL = 48 mA
IIH
Input HIGH Current
5
µA
Max
VIN = VCC
IIL
Input LOW Current
−5
µA
Max
VIN = 0.0V
IOZ
Maximum TRI-STATE Current HIGH or
LOW
±10
µA
Max
VIN = 0.0V or VIN = VCC
IOS
Output Short-Circuit Current
-60
mA
Max
VOUT = 0.0V
ICCQ
Quiescent Power Supply Current
1.5
mA
Max
VIN < 0.2V or VIN 5.3V, VCC =
5.5V
∆ICC
Quiescent Power
Supply Current
2.0
mA
Max
VI = 3.4V, VCC = 5.5V
ICCD
Dynamic ICC
0.4
mA/
MHz
Max
Outputs Open, VCC = 5.5V, VIN
5.3V or VIN < 0.2V, One Bit
Toggling, 50% Duty Cycle, OE =
GND, LE = VCC
ICCT
Total Power Supply
Current
6.0
mA
Max
Outputs Open, fCP = 10 MHz,
VCC = 5.5V, VIN 5.3V or VIN <
0.2V, One Bit Toggling, 50%
Duty Cycle, OE = GND, LE =
VCC
Note 1: Absolute maximum ratings are values beyond which the device may be damaged or have its useful life impaired. Functional operation under these conditions
is not implied.
Note 2: Either voltage limit or current limit is sufficient to protect inputs.
Note 3: All outputs loaded; thresholds on input associated with output under test.
Note 4: Maximum test duration 2.0 ms, one output loaded at a time.
www.national.com
2
TABLE 5
SPECIFICATION NUMBER: 54FCT244-M (N) REV -
Page 2 of 5


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