參數(shù)資料
型號(hào): CD74HC237PW
廠商: Texas Instruments, Inc.
英文描述: High-Speed CMOS Logic, 3- to 8-Line Decoder/Demultiplexer with Address Latches
中文描述: 高速CMOS邏輯,3 -至8線譯碼器/解復(fù)用器的地址鎖存器
文件頁(yè)數(shù): 5/16頁(yè)
文件大小: 381K
代理商: CD74HC237PW
5
Quiescent Device
Current
I
CC
V
CC
or
GND
0
6
-
-
8
-
80
-
160
μ
A
HCT TYPES
High Level Input
Voltage
V
IH
-
-
4.5 to
5.5
2
-
-
2
-
2
-
V
Low Level Input
Voltage
V
IL
-
-
4.5 to
5.5
-
-
0.8
-
0.8
-
0.8
V
High Level Output
Voltage
CMOS Loads
V
OH
V
IH
or V
IL
-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
V
OL
V
IH
or V
IL
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
I
I
V
CC
and
GND
0
5.5
-
-
±
0.1
-
±
1
-
±
1
μ
A
Quiescent Device
Current
I
CC
V
CC
or
GND
0
5.5
-
-
8
-
80
-
160
μ
A
Additional Quiescent
Device Current Per
Input Pin: 1 Unit Load
I
CC
(Note 2)
V
CC
-2.1
-
4.5 to
5.5
-
100
360
-
450
-
490
μ
A
NOTE:
2. For dual-supply systems theoretical worst case (V
I
= 2.4V, V
CC
= 5.5V) specification is 1.8mA.
DC Electrical Specifications
(Continued)
PARAMETER
SYMBOL
TEST
CONDITIONS
V
CC
(V)
25
o
C
-40
o
C TO 85
o
C -55
o
C TO 125
o
C
UNITS
V
I
(V)
I
O
(mA)
MIN
TYP
MAX
MIN
MAX
MIN
MAX
HCT Input Loading Table
INPUT
UNIT LOADS
All
1.5
NOTE: Unit Load is
I
CC
limit specified in DC Electrical Table, e.g.,
360
μ
A max at 25
o
C.
Prerequisite For Switching Specifications
PARAMETER
SYMBOL
V
CC
(V)
25
o
C
-40
o
C TO 85
o
C
-55
o
C TO 125
o
C
UNITS
MIN
TYP
MAX
MIN
MAX
MIN
MAX
HC TYPES
A
n
to LE Setup Time
t
SU
2
50
-
-
65
-
75
-
ns
4.5
10
-
-
13
-
15
-
ns
6
9
-
-
11
-
13
-
ns
A
n
to LE Hold Time
t
H
2
30
-
-
40
-
45
-
ns
4.5
6
-
-
8
-
9
-
ns
6
5
-
-
7
-
8
-
ns
CD74HC137, CD74HCT137, CD54HC237, CD74HC237, CD74HCT237
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