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參數(shù)資料
| 型號： | SNJ54HC240WR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 總線收發(fā)器 |
| 英文描述： | HC/UH SERIES, DUAL 4-BIT DRIVER, INVERTED OUTPUT, CDFP20 |
| 封裝： | CERAMIC, DFP-20 |
| 文件頁數(shù)： | 14/19頁 |
| 文件大小： | 759K |
| 代理商： | SNJ54HC240WR |
SN54HC240, SN74HC240
OCTAL BUFFERS AND LINE DRIVERS
WITH 3STATE OUTPUTS
SCLS128D DECEMBER 1982 REVISED AUGUST 2003
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
switching characteristics over recommended operating free-air temperature range, CL = 50 pF
(unless otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
VCC
TA = 25°C
SN54HC240
SN74HC240
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
2 V
50
100
150
125
tpd
A
Y
4.5 V
10
20
30
25
ns
tpd
A
Y
6 V
9
17
25
21
ns
2 V
75
150
225
190
ten
OE
Y
4.5 V
15
30
45
38
ns
ten
OE
Y
6 V
13
26
38
32
ns
2 V
44
150
225
190
tdis
OE
Y
4.5 V
22
30
45
38
ns
tdis
OE
Y
6 V
21
26
38
32
ns
2 V
28
60
90
75
tt
Y
4.5 V
8
12
18
15
ns
tt
Y
6 V
6
10
15
13
ns
switching characteristics over recommended operating free-air temperature range, CL = 150 pF
(unless otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
VCC
TA = 25°C
SN54HC240
SN74HC240
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
2 V
75
150
225
190
tpd
A
Y
4.5 V
15
30
45
38
ns
tpd
A
Y
6 V
13
26
38
32
ns
2 V
100
200
300
250
ten
OE
Y
4.5 V
20
40
60
50
ns
ten
OE
Y
6 V
17
34
51
43
ns
2 V
45
210
315
265
tt
Y
4.5 V
17
42
63
53
ns
tt
Y
6 V
13
36
53
45
ns
operating characteristics, TA = 25°C
PARAMETER
TEST CONDITIONS
TYP
UNIT
Cpd
Power dissipation capacitance per buffer/driver
No load
35
pF
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