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參數(shù)資料
| 型號(hào)： | SNJ54ABT853FK |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 總線收發(fā)器 |
| 英文描述： | ABT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, CQCC28 |
| 封裝： | CERAMIC, LCC-28 |
| 文件頁(yè)數(shù)： | 18/20頁(yè) |
| 文件大?。?/td> | 605K |
| 代理商： | SNJ54ABT853FK |
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SN54ABT853, SN74ABT853
8-BIT TO 9-BIT PARITY BUS TRANSCEIVERS
SCBS198F – FEBRUARY 1991 – REVISED OCTOBER 1997
7
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
timing requirements over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (see Figure 1)
VCC = 5 V,
TA = 25°C
SN54ABT853
SN74ABT853
UNIT
MIN
MAX
MIN
MAX
MIN
MAX
t
Pulse duration
3.5
ns
tw
Pulse duration
CLR low
4
ns
t
Setup time
B or PARITY before LE
↓
9.4
10.2
9.4
ns
tsu
Setup time
CLR before LE
↓
2
ns
th
Hold time
B or PARITY after LE
↓
0
ns
th
Hold time
CLR after LE
↓
3
ns
This data sheet limit can vary among suppliers.
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 5 V,
TA = 25°C
SN54ABT853
SN74ABT853
UNIT
(INPUT)
(OUTPUT)
MIN
TYP
MAX
MIN
MAX
MIN
MAX
tPLH
AorB
BorA
1.2
4.8
1.2
6.4
1.2
5.3
ns
tPHL
A or B
B or A
1
4.8
1
5.4
1
5.3
ns
tPLH
A
PARITY
2.1
9.5
2.1
13.3
2.1
11.2
ns
tPHL
A
PARITY
2.5
9.7
2.5
11
2.5
11
ns
tPLH
OE
PARITY
1.8
8.5
1.8
13.6
1.8
10.5
ns
tPHL
OE
PARITY
2.3
8.6
2.3
11.7
2.3
10
ns
tPLH
CLR
ERR
1
5.5
1
6.3
1
6.2
ns
tPLH
LE
ERR
1.8
5.1
1.8
6.1
1.8
6
ns
tPHL
LE
ERR
1
5.8
1
6.7
1
6.6
ns
tPLH
B or PARITY
ERR
2
10.1
2
11.8
2
11.7
ns
tPHL
B or PARITY
ERR
2.2
11.5
2.2
12.9
2.2
12.8
ns
tPZH
OE
A or B or PARITY
1
5.8
1
8.8
1
6.7
ns
tPZL
OE
A or B or PARITY
1.5
5.8
1.5
9.8
1.5
6.7
ns
tPHZ
OE
A or B or PARITY
1.8
7.3
1.8
9.5
1.8
7.9
ns
tPLZ
OE
A or B or PARITY
2.1
7.2
2.1
8.2
2.1
8.1
ns
This data sheet limit can vary among suppliers.
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