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參數(shù)資料
| 型號(hào)： | MC54HC157 |
| 廠商： | Motorola, Inc. |
| 英文描述： | Quad 2-Input Data Selectors/Multiplexers |
| 中文描述： | 四2輸入數(shù)據(jù)選擇器/多路復(fù)用器 |
| 文件頁(yè)數(shù)： | 2/6頁(yè) |
| 文件大小： | 222K |
| 代理商： | MC54HC157 |
MOTOROLA
High–Speed CMOS Logic Data
DL129 — Rev 6
2
450
Tstg
TL
Storage Temperature
TSSOP Package
– 65 to + 150
C
Lead Temperature, 1 mm from Case for 10 Seconds
C
* Maximum Ratings are those values beyond which damage to the device may occur.
Functional operation should be restricted to the Recommended Operating Conditions.
Derating — Plastic DIP: – 10 mW/ C from 65 to 125 C
Ceramic DIP: – 10 mW/ C from 100 to 125 C
SOIC Package: – 7 mW/ C from 65 to 125 C
TSSOP Package: – 6.1 mW/ C from 65 to 125 C
For high frequency or heavy load considerations, see Chapter 2 of the Motorola High–Speed CMOS Data Book (DL129/D).
(Referenced to GND)
TA
tr, tf
Operating Temperature, All Package Types
Input Rise and Fall Time
– 55
0
+ 125
1000
C
ns
(Voltages Referenced to GND)
VCC = 2.0 V
VCC
– 55 to
Voltage
20
μ
A
4.5
3.15
3.15
3.15
6.0
1.8
1.8
1.8
VOH
Minimum High–Level Output
Vin = VIH or VIL
2.0
1.9
1.9
1.9
5.2 mA
5.48
5.34
5.2
V
Maximum Low–Level Output
|Iout|
6.0
2.0
0.1
0.1
0.1
5.2 mA
0.26
0.33
0.4
V
|Iout|
6.0
This device contains protection
circuitry to guard against damage
due to high static voltages or electric
fields. However, precautions must
be taken to avoid applications of any
voltage higher than maximum rated
voltages to this high–impedance cir-
cuit. For proper operation, Vin and
Vout should be constrained to the
range GND (Vin or Vout)
Unused inputs must always be
tied to an appropriate logic voltage
level (e.g., either GND or VCC).
Unused outputs must be left open.
VCC.
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