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參數(shù)資料
| 型號(hào)： | SN74ABT657ANTE4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類(lèi)： | 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(yè)數(shù)： | 6/13頁(yè) |
| 文件大小： | 353K |
| 代理商： | SN74ABT657ANTE4 |
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SN54ABT657A, SN74ABT657A
OCTAL TRANSCEIVERS WITH PARITY GENERATORS/CHECKERS
AND 3-STATE OUTPUTS
SCBS192E – JANUARY 1991 – REVISED JUNE 1997
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
description (continued)
When VCC is between 0 and 2.1 V, the device is in the high-impedance state during power up or power down.
However, to ensure the high-impedance state above 2.1 V, OE should be tied to VCC through a pullup resistor;
the minimum value of the resistor is determined by the current-sinking capability of the driver.
The SN54ABT657A is characterized for operation over the full military temperature range of –55
°C to 125°C.
The SN74ABT657A is characterized for operation from –40
°C to 85°C.
FUNCTION TABLE
NUMBER OF A OR B
INPUTS
I/O
OUTPUTS
INPUTS THAT ARE HIGH
OE
T/R
ODD/EVEN
PARITY
ERR
OUTPUT MODE
L
H
Z
Transmit
L
HL
L
Z
Transmit
02468
L
LH
H
Receive
0, 2, 4, 6, 8
L
LH
L
Receive
L
LL
H
L
Receive
L
LL
L
H
Receive
L
H
L
Z
Transmit
L
HL
H
Z
Transmit
1357
L
LH
H
L
Receive
1, 3, 5, 7
L
LH
L
H
Receive
L
LL
H
Receive
L
LL
L
Receive
Don’t care
H
X
Z
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| SN74ABT7819-10PH | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述: |
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| SN74ABT7819-20PH | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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