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參數(shù)資料
| 型號(hào)： | SN54ABT657A |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Octal Transceivers With Parity-Generators/Checkers and 3-State Outputs(八收發(fā)器(帶奇偶發(fā)生器/校驗(yàn)器)) |
| 中文描述： | 八路收發(fā)器與Parity-Generators/Checkers和三態(tài)輸出（八收發(fā)器（帶奇偶發(fā)生器/校驗(yàn)器）） |
| 文件頁數(shù)： | 7/9頁 |
| 文件大?。?/td> | 219K |
| 代理商： | SN54ABT657A |
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, C
L
= 50 pF (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 5 V,
TA = 25
°
C
MIN
1
SN54ABT657A
SN74ABT657A
UNIT
TYP
3.2
MAX
4.2
MIN
MAX
MIN
MAX
4.6
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPZH
tPZL
tPZH
tPZL
tPHZ
tPLZ
A or B
B or A
1
5
1
ns
1
2.8
3.8
1
4.5
1
4.3
A
PARITY
1.8
4.8
6.3
1.8
8.5
1.8
8.1
ns
2.3
4.9
6.4
2.3
8.1
2.3
7.7
ODD/EVEN
PARITY ERR
PARITY, ERR
1.1
3.3
4.2
1.1
5.3
1.1
4.9
ns
1.3
3.4
4.5
1.3
5.1
1.3
4.9
B
ERR
1.6
4.7
6.5
1.6
8.4
1.6
7.9
ns
2.1
4.9
6.9
2.1
8
2.1
7.8
PARITY
ERR
2
4.8
6.3
2
8.1
2
7.7
ns
2.1
4.9
6.7
2.1
8
2.1
7.5
OE
A B PARITY
A, B, PARITY
1.4
4
5.4
1.4
6.8
1.4
6.5
ns
1.7
4.1
5.8
1.7
6.7
1.7
6.5
OE
ERR
1.8
4.1
5.4
1.8
6.9
1.8
6.6
ns
3.3
6.2
7.6
3.3
9.7
3.3
9.2
OE
A, B, PARITY, or
ERR
2.4
1.8
4.2
4.2
5.6
6.2
2.4
1.8
6.3
8.9
2.4
1.8
6.2
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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|---|---|
| SN54ABT657AFK | 制造商:TI 制造商全稱:Texas Instruments 功能描述:OCTAL TRANSCEIVERS WITH PARITY GENERATORS/CHECKERS AND 3-STATE OUTPUTS |
| SN54ABT657AJT | 制造商:TI 制造商全稱:Texas Instruments 功能描述:OCTAL TRANSCEIVERS WITH PARITY GENERATORS/CHECKERS AND 3-STATE OUTPUTS |
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