參數(shù)資料
型號(hào): SN54ABT646AW
廠商: Texas Instruments, Inc.
元件分類: 通用總線功能
英文描述: OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUPUTS
中文描述: 八路總線收發(fā)器和寄存器具有三態(tài)OUPUTS
文件頁(yè)數(shù): 8/21頁(yè)
文件大?。?/td> 478K
代理商: SN54ABT646AW
SCBS069H JULY 1991 REVISED MAY 2004
8
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 2)
SN74ABT646A
VCC = 5 V,
TA = 25
°
C
MIN
TYP
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
MIN
MAX
UNIT
MAX
fmax
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
tPZH
tPZL
tPHZ
tPLZ
125
125
MHz
CLKBA or CLKAB
A or B
2.2
4
5.1
2.2
5.6
ns
1.7
4
5.1
1.7
5.6
A or B
B or A
1.5
3
4.3
1.5
4.8
ns
1.5
3.3
4.6
1.5
5.4
SAB or SBA
B or A
1.5
4
5.1
1.5
6.5
ns
1.5
3.6
4.9
1.5
5.9
OE
A or B
1.5
4.3
5.3
1.5
6.3
ns
3
5.8
7.4
3
8.8
OE
A or B
1.5
3.5
4.5
1.5
5
ns
1.5
3
4
1.5
4.5
DIR
A or B
1.5
4.5
5.7
1.5
6.7
ns
2.5
6.5
9
2.5
9.5
DIR
A or B
1.5
1.5
3.8
3.8
5
1.5
1.5
5.7
ns
4.7
6
These parameters are measured with the internal output state of the storage register opposite that of the bus input.
相關(guān)PDF資料
PDF描述
SN54ABT646 Octal Bus Transceivers and Registers With 3-State Outputs(八總線收發(fā)器/寄存器(三態(tài)輸出))
SN54ABT648 Octal Bus Transceivers and Registers With 3-State Outputs(八總線收發(fā)器和寄存器(三態(tài)輸出))
SN74ABT648 Octal Bus Transceivers and Registers With 3-State Outputs(八總線收發(fā)器和寄存器(三態(tài)輸出))
SN54ABT651FK OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS
SN54ABT651JT OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS
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