參數(shù)資料
型號: SN54AHCT138FK
廠商: Texas Instruments, Inc.
英文描述: 3.3UF/100VDC METAL POLY CAP
中文描述: 3線至8線解碼器/解復用器
文件頁數(shù): 5/9頁
文件大小: 125K
代理商: SN54AHCT138FK
SN54AHCT138, SN74AHCT138
3-LINE TO 8-LINE DECODERS/DEMULTIPLEXERS
SCLS266J – DECEMBER 1995 – REVISED JANUARY 2000
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
switching characteristics over recommended operating free-air temperature range,
V
CC
= 5 V
±
0.5 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
LOAD
TA = 25
°
C
TYP
7.6*
SN54AHCT138
MIN
1*
SN74AHCT138
MIN
1
UNIT
(OUTPUT)
CAPACITANCE
MIN
MAX
10.4*
MAX
12*
MAX
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
A B C
A, B, C
Any Y
CL= 15 pF
CL = 15 pF
12
ns
7.6*
10.4*
1*
12*
1
12
G1
Any Y
CL= 15 pF
CL = 15 pF
6.6*
9.1*
1*
10.5*
1
10.5
ns
6.6*
9.1*
1*
10.5*
1
10.5
G2A G2B
G2A, G2B
Any Y
CL= 15 pF
CL = 15 pF
7*
9.6*
1*
11*
1
11
ns
7*
9.6*
1*
11*
1
11
A B C
A, B, C
Any Y
CL= 50 pF
CL = 50 pF
8.1
11.4
1
13
1
13
ns
8.1
11.4
1
13
1
13
G1
Any Y
CL= 50 pF
CL = 50 pF
7.1
10.1
1
11.5
1
11.5
ns
7.1
10.1
1
11.5
1
11.5
G2A G2B
G2A, G2B
Any Y
CL= 50 pF
CL = 50 pF
7.5
7.5
10.6
10.6
1
1
12
12
1
1
12
12
ns
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
operating characteristics, V
CC
= 5 V, T
A
= 25
°
C
PARAMETER
TEST CONDITIONS
TYP
UNIT
Cpd
Power dissipation capacitance
No load,
f = 1 MHz
14
pF
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