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参数资料
| 型号： | IDTQS742157CTQ |
| 厂商： | Integrated Device Technology, Inc. |
| 英文描述： | HIGH-SPEED CMOS QUAD 2-INPUT MULTIPLEXER |
| 中文描述： | 高速CMOS四2输入多路复用器 |
| 文件页数： | 3/6页 |
| 文件大小： | 70K |
| 代理商： | IDTQS742157CTQ |
INDUSTRIAL TEMPERATURE RANGE
IDTQS74FCT2157AT/CT
HIGH-SPEED CMOS QUAD 2-INPUT MULTIPLEXER
3
Symbol
V
IH
V
IL
V
T
I
IH
I
IL
I
OR
V
IC
V
OH
V
OL
R
OUT
Parameter
Input HIGH Level
Input LOW Level
Input Hysteresis
Input HIGH Current
Input LOW Current
Current Drive
Input Clamp Voltage
Output HIGH Voltage
Output LOW Voltage
Output Resistance
Test Conditions
Guaranteed Logic HIGH Level
Guaranteed Logic LOW Level
V
TLH
- V
THL
for all inputs
V
CC
= Max.
Min.
2
—
—
—
Typ.
(1)
—
—
0.2
—
Max.
—
0.8
—
±
5
Unit
V
V
V
μA
0
≤
V
IN
≤
V
CC
V
CC
= Max., V
OUT
= GND
(2)
V
CC
= Mn., I
IN
= –18mA, T
A
= 25°C
(2)
V
CC
= Min.
V
CC
= Mn.
V
CC
= Mn.
50
—
2.4
—
20
—
–0.7
—
—
28
—
–1.2
—
0.5
40
mA
V
V
V
I
OH
= –15mA
I
OL
= 12mA
I
OH
= 12mA
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%
NOTES:
1. Typical values are at V
CC
= 5.0V, +25°C ambient.
2. This parameter is guaranteed but not tested.
Symbol
Parameter
Test Conditions
(1)
Min.
Max.
Unit
I
CC
Quiescent Power Supply Current
V
CC
= Max.
freq = 0
0V
≤
V
IN
≤
0.2V or
V
CC
- 0.2V
≤
V
IN
≤
V
CC
V
CC
= Max.
V
IN
= 3.4V
(2)
freq = 0
V
CC
= Max.
Outputs Open and Enabled
One Bit Toggling
50% Duty Cycle
Other inputs at GND or V
CC(3,4)
—
1.5
mA
I
CC
Supply Current per Input TTL Inputs HIGH
—
2
mA
I
CCD
Supply Current per Input per MHz
—
0.25
mA/
MHz
NOTES:
1. For conditions shown as Mn. or Max., use appropriate value specified under DC Electrical Characteristics.
2. Per TTL driven input (V
IN
= 3.4V).
3. For flip-flops, I
CCD
is measured by switching one of the data input pins so that the output changes every clock cycle. This is a measurement of device power consumption
only and does not include power to drive load capacitance or tester capacitance.
4. I
C
= I
QUIESCENT
+ I
INPUTS
+ I
DYNAMIC
I
C
= I
CC
+
I
CC
D
H
N
T
+ I
CCD
(f
CP
/2 + f
i
N
i
)
I
CC
= Quiescent Current
I
CC
= Power Supply Current for a TTL High Input (V
IN
= 3.4V)
D
H
= Duty Cycle for TTL Inputs High
N
T
= Number of TTL Inputs at D
H
I
CCD
= Dynamc Current caused by an Output Transition Pair (HLH or LHL)
f
CP
= Clock Frequency for Register Devices (Zero for Non-Register Devices)
f
i
= Output Frequency
N
i
= Number of Outputs at f
i
All currents are in mlliamps and all frequencies are in megahertz.
POWER SUPPLY CHARACTERISTICS
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