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參數(shù)資料
| 型號(hào)： | SN74ABT657ANTE4 |
| 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, PDIP24 |
| 封裝： | ROHS COMPLIANT, PLASTIC, DIP-24 |
| 文件頁數(shù)： | 11/13頁 |
| 文件大小： | 353K |
| 代理商： | SN74ABT657ANTE4 |
SN54ABT657A, SN74ABT657A
OCTAL TRANSCEIVERS WITH PARITY GENERATORS/CHECKERS
AND 3-STATE OUTPUTS
SCBS192E – JANUARY 1991 – REVISED JUNE 1997
7
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature, CL = 50 pF (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 5 V,
TA = 25°C
SN54ABT657A
SN74ABT657A
UNIT
(INPUT)
(OUTPUT)
MIN
TYP
MAX
MIN
MAX
MIN
MAX
tPLH
AorB
BorA
1
3.2
4.2
1
5
1
4.6
ns
tPHL
A or B
B or A
1
2.8
3.8
1
4.5
1
4.3
ns
tPLH
A
PARITY
1.8
4.8
6.3
1.8
8.5
1.8
8.1
ns
tPHL
A
PARITY
2.3
4.9
6.4
2.3
8.1
2.3
7.7
ns
tPLH
ODD/EVEN
PARITY ERR
1.1
3.3
4.2
1.1
5.3
1.1
4.9
ns
tPHL
ODD/EVEN
PARITY, ERR
1.3
3.4
4.5
1.3
5.1
1.3
4.9
ns
tPLH
B
ERR
1.6
4.7
6.5
1.6
8.4
1.6
7.9
ns
tPHL
B
ERR
2.1
4.9
6.9
2.1
8
2.1
7.8
ns
tPLH
PARITY
ERR
2
4.8
6.3
2
8.1
2
7.7
ns
tPHL
PARITY
ERR
2.1
4.9
6.7
2.1
8
2.1
7.5
ns
tPZH
OE
A B PARITY
1.4
4
5.4
1.4
6.8
1.4
6.5
ns
tPZL
OE
A, B, PARITY
1.7
4.1
5.8
1.7
6.7
1.7
6.5
ns
tPZH
OE
ERR
1.8
4.1
5.4
1.8
6.9
1.8
6.6
ns
tPZL
OE
ERR
3.3
6.2
7.6
3.3
9.7
3.3
9.2
ns
tPHZ
OE
A, B, PARITY, or
2.4
4.2
5.6
2.4
6.3
2.4
6.2
ns
tPLZ
OE
,,
,
ERR
1.8
4.2
6.2
1.8
8.9
1.8
7.8
ns
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.
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