参数资料
型号: CD74HCT138MTG4
厂商: TEXAS INSTRUMENTS INC
元件分类: 编、解码器及复用、解复用
英文描述: HCT SERIES, OTHER DECODER/DRIVER, INVERTED OUTPUT, PDSO16
封装: GREEN, PLASTIC, MS-012AC, SOIC-16
文件页数: 14/19页
文件大小: 604K
代理商: CD74HCT138MTG4
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
(Note 2)
VCC
-2.1
-
4.5 to
5.5
-
100
360
-
450
-
490
A
NOTE:
2. For dual-supply systems, theoretical worst case (VI = 2.4V, VCC = 5.5V) specification 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
A0-A2
1.5
E1, E2
1.25
E3
1
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 TYPES
Propagation Delay
tPLH, tPHL CL = 50pF
2
-
150
-
190
-
225
ns
Address to Output
4.5
-
30
-
38
-
45
ns
CL = 15pF
5
-
13
-
ns
CL = 50pF
6
-
26
-
33
-
38
ns
CD54/74HC138, CD54/74HCT138, CD54/74HC238, CD54/74HCT238
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