IDT54FCT621ATD 查看數據表（PDF） - Integrated Device Technology
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IDT54FCT621ATD Datasheet PDF : 6 Pages
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IDT54/74FCT621T/AT
FAST CMOS OCTAL BUS TRANSCEIVER (OPEN DRAIN)
MILITARY AND COMMERCIAL TEMPERATURE RANGES
DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE
Following conditions Apply Unless Otherwise Specified:
Commercial: TA = 0°C to +70°C, VCC = 5.0V ± 5%; Military: TA = –55°C to +125°C, VCC = 5.0V ± 10%
Symbol
Parameter
Test Conditions(1)
Min. Typ.(2) Max. Unit
VIH
Input HIGH Level
Guaranteed Logic HIGH Level
2.0
—
—
V
VIL
Input LOW Level
Guaranteed Logic LOW Level
IIH
Input HIGH Current(5)
VCC = Max., VI = 2.7V
IIL
Input LOW Current(5)
VCC = Max., VI = 0.5V
II
Input HIGH Current(5)
VCC = Max., VI = VCC (Max.)
—
—
0.8
V
—
—
±1
µA
—
—
±1
µA
—
—
±1
µA
VIK
Clamp Diode Voltage
VCC = Min., IN= –18mA
—
–0.7 –1.2 V
IOH
Output HIGH Current
VCC = Max.
VOH = Vcc (Max.)
—
—
20
µA
VIN = VIH or VIL
VOL
Output LOW Voltage
VCC = Min.
IOL = 48mA MIL.(4)
—
0.3
0.55 V
(B Bus)
VIN = VIH or VIL
VOL
Output LOW Voltage
VCC = Min.
IOL = 64mA COM’L.
IOL = 32mA MIL.(4)
—
0.3
0.5
V
(A Bus)
VIN = VIH or VIL
IOL = 48mA COM’L.
IOFF
Input/Output Power Off
VCC = 0V, VIN or VO ≤ 4.5V
Leakage(5)
—
—
±1
µA
VH
Input Hysteresis
—
—
200
—
mV
ICC
Quiescent Power Supply VCC = max., VIN = GND or Vcc
—
0.01
1
mA
Current
NOTES:
2538 tbl 05
1. For conditions shown as Max. or Min., use appropriate value specified under Electrical Characteristics for the applicable device type.
2. Typical values are at VCC = 5.0V, +25°C ambient.
3. These are maximum IOL values per output, for 8 outputs turned on simultaneously. Total maximum IOL (all outputs) is 512mA for commercial and
384mA for military. Derate IOL for number of outputs exceeding 8 turned on simultaneously.
4. The test limit for this parameter is ±5µA at TA = –55°C.
5. This parameter is guaranteed but not tested.
6.18
3
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