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參數(shù)資料
| 型號(hào)： | SN54F138FK |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 3-LINE TO 8-LINE DECODERS/DEMULTIPLEXERS |
| 中文描述： | 3線至8線解碼器/解復(fù)用器 |
| 文件頁(yè)數(shù)： | 5/6頁(yè) |
| 文件大小： | 88K |
| 代理商： | SN54F138FK |
SN54F138, SN74F138
3-LINE TO 8-LINE DECODERS/DEMULTIPLEXERS
SDFS051B – MARCH 1987 – REVISED JULY 1996
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
switching characteristics (see Note 3)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 5 V,
CL = 50 PF,
RL = 500
,
TA = 25
°
C
′
F138
MIN
2.7
VCC = 4.5 V TO 5.5 V,
CL = 50 PF,
RL = 500
,
TA = MIN TO MAX
SN54F138
MIN
MAX
2.7
12
UNIT
SN74F138
MIN
2.7
TYP
5.2
MAX
7.5
MAX
8.5
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
A B or C
A, B, or C
Y
ns
3.2
5.7
8
3.2
9.5
3.2
9
G2A or G2B
Y
2.7
5
7
2.7
11
2.7
8
ns
2.2
4.9
7
2.2
8
2.2
7.5
G1
Y
3.2
5.8
8
3.2
12.5
3.2
9
ns
2.7
5.2
7.5
2.7
8.5
2.7
8.5
For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
NOTE 3: Load circuits and waveforms are shown in Section 1.
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