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74F544 Datasheet, PDF (3/6 Pages) Fairchild Semiconductor – Octal Registered Transceiver | |||
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Absolute Maximum Ratings(Note 1)
Storage Temperature
â65°C to +150°C
Ambient Temperature under Bias
â55°C to +125°C
Junction Temperature under Bias
â55°C to +150°C
VCC Pin Potential to Ground Pin
Input Voltage (Note 2)
â0.5V to +7.0V
â0.5V to +7.0V
Input Current (Note 2)
â30 mA to +5.0 mA
Voltage Applied to Output
in HIGH State (with VCC = 0V)
Standard Output
3-STATE Output
â0.5V to VCC
â0.5V to +5.5V
Current Applied to Output
in LOW State (Max)
twice the rated IOL (mA)
Recommended Operating
Conditions
Free Air Ambient Temperature
Supply Voltage
0°C to +70°C
+4.5V to +5.5V
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.
DC Electrical Characteristics
Symbol
Parameter
Min
Typ
Max
Units
VCC
Conditions
VIH
Input HIGH Voltage
2.0
VIL
Input LOW Voltage
VCD
Input Clamp Diode Voltage
VOH
Output HIGH
Voltage
VOL
Output LOW
Voltage
IIH
Input HIGH
Current
10% VCC
2.5
10% VCC
2.4
10% VCC
2.0
5% VCC
2.7
5% VCC
2.7
10% VCC
10% VCC
V
Recognized as a HIGH Signal
0.8
V
Recognized as a LOW Signal
â1.2
V
Min
IIN = â18 mA,
(except An, Bn)
IOH = â1 mA (An)
IOH = â3 mA (An, Bn)
V
Min IOH = â15 mA (Bn)
IOH = â1 mA (An)
IOH = â3 mA (An, Bn)
0.5
V
0.55
Min
IOL = 24 mA (An)
IOL = 64 mA (Bn)
20.0
5.0
µA
Max VIN = 2.7V (except An, Bn)
IBVI
Input HIGH Current
Breakdown Test
7.0
µA
Max VIN = 7.0V (except An, Bn)
IBVIT
Input HIGH Current
Breakdown (I/O)
0.5
mA
Max VIN = 5.5V (An, Bn)
ICEX
Output HIGH
Leakage Current
VID
Input Leakage
Test
IOD
Output Leakage
Circuit Current
4.75
250
µA
Max VOUT = VCC (An, Bn)
V
3.75
µA
0.0
IID = 1.9 µA
All Other Pins Grounded
0.0
VIOD = 150 mV
All Other Pins Grounded
IIL
Input LOW Current
IIH + IOZH
IIL + IOZL
IOS
Output Leakage Current
Output Leakage Current
Output Short-Circuit Current
IZZ
ICCH
ICCL
ICCZ
Bus Drainage Test
Power Supply Current
Power Supply Current
Power Supply Current
â0.6
mA
Max VIN = 0.5V (OEAB, OEBA)
â1.2
VIN = 0.5V (CEAB, CEBA)
70
µA
Max VOUT = 2.7V (An, Bn)
â650
µA
Max VOUT = 0.5V (An, Bn)
â60
â100
â150
mA
Max
VOUT = 0V (An)
â225
VOUT = 0V (Bn)
500
µA
0.0V VOUT = 5.25V (An, Bn)
70
105
mA
Max VO = HIGH
85
130
mA
Max VO = LOW
83
125
mA
Max VO = HIGH Z
3
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