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參數(shù)資料
| 型號： | SN74ABT854 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 8-Bit To 9-Bit Parity Bus Transceivers(8-9奇偶總線收發(fā)器) |
| 中文描述： | 8位到第9位奇偶總線收發(fā)器（8-9奇偶總線收發(fā)器） |
| 文件頁數(shù)： | 6/8頁 |
| 文件大?。?/td> | 142K |
| 代理商： | SN74ABT854 |
SN54ABT854, SN74ABT854
8-BIT TO 9-BIT PARITY BUS TRANSCEIVERS
SCBS170 – FEBRUARY 1991–REVISED OCTOBER 1992
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
6
timing requirements over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted)
VCC = 5 V,
TA = 25
°
C
MIN
SN54ABT854
SN74ABT854
UNIT
MAX
MIN
MAX
MIN
MAX
tw
Pulse duration
LE high
CLR low
ns
tsu
th
Setup time, Bi and PARITY before LE
↓
Hold time, Bi and PARITY after LE
↓
ns
ns
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (see Figure 1)
FROM
(INPUT)
TO
VCC = 5 V,
TA = 25
°
C
MIN
SN54ABT854
SN74ABT854
PARAMETER
(OUTPUT)
UNIT
TYP
MAX
MIN
MAX
MIN
MAX
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
A or B
B or A
ns
A or OE
PARITY
ns
CLR
LE
ERR
ns
OE
A or B
ns
OE
A or B
ns
P
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