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參數(shù)資料
| 型號(hào)： | IDT74FCT257TLB |
| 廠商： | Integrated Device Technology, Inc. |
| 英文描述： | FAST CMOS QUAD 2-INPUT MULTIPLEXER |
| 中文描述： | 快速CMOS四路2輸入多路復(fù)用器 |
| 文件頁(yè)數(shù)： | 3/7頁(yè) |
| 文件大小： | 73K |
| 代理商： | IDT74FCT257TLB |
MILITARY AND INDUSTRIAL TEMPERATURE RANGES
IDT54/74FCT257T/AT/CT/DT
FAST CMOS QUAD 2-INPUT MULTIPLEXER
3
Symbol
V
IH
V
IL
I
IH
I
IL
I
OZH
I
OZL
I
I
V
IK
V
H
I
CC
Parameter
Input HIGH Level
Input LOW Level
Input HIGH Current
(4)
Input LOW Current
(4)
High Impedance Output Current
(3-State output pins)
(4)
Input HIGH Current
(4)
Clamp Diode Voltage
Input Hysteresis
Quiescent Power Supply Current
Test Conditions
(1)
Guaranteed Logic HIGH Level
Guaranteed Logic LOW Level
V
CC
= Max.
V
CC
= Max.
V
CC
= Max
Min.
2
—
—
—
—
—
—
—
—
—
Typ.
(2)
—
—
—
—
—
—
—
–0.7
200
0.01
Max.
—
0.8
±
1
±
1
±
1
±
1
±
1
–1.2
—
1
Unit
V
V
μA
μA
μA
V
I
= 2.7V
V
I
= 0.5V
V
O
= 2.7V
V
O
= 0.5V
V
CC
= Max., V
I
= V
CC
(Max.)
V
CC
= Mn, I
IN
= -18mA
—
V
CC
= Max., V
IN
= GND or V
CC
μA
V
mV
mA
DC ELECTRICAL CHARACTERISTICS OV ER OPERATING RANGE
Following Conditions Apply Unless Otherwise Specified:
Industrial: T
A
= –40°C to +85°C, V
CC
= 5.0V ±5%; Mlitary: T
A
= –55°C to +125°C, V
CC
= 5.0V ±10%
NOTES:
1. For conditions shown as Mn. or Max., use appropriate value specified under Electrical Characteristics for the applicable device type.
2. Typical values are at V
CC
= 5.0V, +25°C ambient.
3. Not more than one output should be tested at one time. Duration of the test should not exceed one second.
4. The test limt for this parameter is ±5μA at T
A
= –55°C.
5. This parameter is guaranteed but not tested.
Symbol
V
OH
Parameter
Output HIGH Voltage
Test Conditions
(1)
V
CC
= Mn
V
IN
= V
IH
or V
IL
V
CC
= Mn
V
IN
= V
IH
or V
IL
V
CC
= Max., V
O
= GND
(3)
V
CC
= 0V, V
IN
or V
O
≤
4.5V
Min.
2.4
2
—
Typ.
(2)
3.3
3
0.3
Max.
—
—
0.5
Unit
V
I
OH
= –8mA
I
OH
= –15mA
I
OL
= 48mA
V
OL
Output LOW Voltage
V
I
OS
I
OFF
Short Circuit Current
Input/Output Power Off Leakage
(5)
–60
—
–120
—
–225
±
1
mA
μA
OUTPUT DRIV E CHARACTERISTICS
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