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參數(shù)資料
| 型號： | IDT74FCT621TDG |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | 總線收發(fā)器 |
| 英文描述： | FCT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, CDIP20 |
| 封裝： | CERDIP-20 |
| 文件頁數(shù)： | 3/6頁 |
| 文件大?。?/td> | 121K |
| 代理商： | IDT74FCT621TDG |
3
IDT54/74FCT621T/AT
FAST CMOS OCTAL BUS TRANSCEIVER (OPEN DRAIN)
MILITARYANDCOMMERCIALTEMPERATURERANGES
DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE
Following conditions Apply Unless Otherwise Specified:
Commercial: TA = –40°C to +85°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
—
V
VIL
Input LOW Level
Guaranteed Logic LOW Level
—
0.8
V
IIH
Input HIGH Current
(4)
VCC = Max., VI = 2.7V
—
±1
A
IIL
Input LOW Current
(4)
VCC = Max., VI = 0.5V
—
±1
A
II
Input HIGH Current
(4)
VCC = Max., VI = VCC (Max.)
—
±1
A
VIK
Clamp Diode Voltage
VCC = Min., IN= –18mA
—
–0.7
–1.2
V
IOH
Output HIGH Current
VCC = Max.
VOH = Vcc (Max.)
—
20
A
VIN = VIH or VIL
VOL
Output LOW Voltage
VCC = Min.
IOL = 48mA MIL.
(3)
—
0.3
0.55
V
(B Bus)
VIN = VIH or VIL
IOL = 64mA COM’L.
VOL
Output LOW Voltage
VCC = Min.
IOL = 32mA MIL.
(3)
—
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
—
±1
A
Leakage
(4)
VH
Input Hysteresis
—
200
—
mV
ICC
Quiescent Power Supply
VCC = max., VIN = GND or Vcc
—
0.01
1
mA
Current
NOTES:
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 ±5A at TA = –55°C.
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