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參數(shù)資料
| 型號： | CD54HC157F96 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 編、解碼器及復(fù)用、解復(fù)用 |
| 英文描述： | HC/UH SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, CDIP16 |
| 封裝： | CERDIP-16 |
| 文件頁數(shù)： | 4/7頁 |
| 文件大?。?/td> | 34K |
| 代理商： | CD54HC157F96 |
4
HCT TYPES
High Level Input
Voltage
VIH
-
4.5 to
5.5
2-
-
2
-
2
-
V
Low Level Input
Voltage
VIL
-
4.5 to
5.5
-
0.8
-
0.8
-
0.8
V
High Level Output
Voltage
CMOS Loads
VOH
VIH or VIL
-0.02
4.5
4.4
-
4.4
-
4.4
-
V
High Level Output
Voltage
TTL Loads
-4
4.5
3.98
-
3.84
-
3.7
-
V
Low Level Output
Voltage
CMOS Loads
VOL
VIH or VIL
0.02
4.5
-
0.1
-
0.1
-
0.1
V
Low Level Output
Voltage
TTL Loads
4
4.5
-
0.26
-
0.33
-
0.4
V
Input Leakage
Current
II
VCC and
GND
0
5.5
-
±0.1
-
±1-
±1
A
Quiescent Device
Current
ICC
VCC or
GND
0
5.5
-
8
-
80
-
160
A
Additional Quiescent
Device Current Per
Input Pin: 1 Unit Load
ICC
VCC
-2.1
-
4.5 to
5.5
-
100
360
-
450
-
490
A
NOTE: For dual-supply systems theoretical worst case (VI = 2.4V, VCC = 5.5V) specication is 1.8mA.
DC Electrical Specications (Continued)
PARAMETER
SYMBOL
TEST
CONDITIONS
VCC
(V)
25oC
-40oC TO 85oC -55oC TO 125oC
UNITS
VI (V)
IO (mA)
MIN
TYP
MAX
MIN
MAX
MIN
MAX
HCT Input Loading Table
INPUT
UNIT LOADS
HCT157
HCT158
I (All)
0.95
0.4
E
0.6
S
3
2.8
NOTE: Unit Load is
ICC limit specied in DC Electrical Table, e.g.,
360
A max at 25oC.
Switching Specications Input tr, tf = 6ns
PARAMETER
SYMBOL
TEST
CONDITIONS
VCC
(V)
25oC
-40oC TO 85oC
-55oC TO 125oC
UNITS
MIN
TYP
MAX
MIN
MAX
MIN
MAX
HC/HCT157 TYPES
Propagation Delay (Figure 1) tPLH, tPHL CL = 50pF
2
-
125
-
155
-
190
ns
Data to Output
4.5
-
25
-
31
-
38
ns
HC157
CL =15pF
5
-
10
-
ns
HCT157
-
12
-
ns
CL = 50pF
6
-
21
-
26
-
32
ns
CD54/74HC157, CD54/74HCT157, CD54/74HC158, CD54/74HCT158
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