參數(shù)資料
型號(hào): SN74ABT16646DLR
廠商: TEXAS INSTRUMENTS INC
元件分類: 總線收發(fā)器
英文描述: ABT SERIES, DUAL 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO56
封裝: GREEN, PLASTIC, SSOP-56
文件頁數(shù): 17/17頁
文件大?。?/td> 419K
代理商: SN74ABT16646DLR
SN54ABT16646, SN74ABT16646
16-BIT BUS TRANSCEIVERS AND REGISTERS
WITH 3-STATE OUTPUTS
SCBS212D – JUNE 1992 – REVISED JULY 1999
9
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 2)
SN54ABT16646
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 5 V,
TA = 25°C
MIN
MAX
UNIT
MIN
TYP
MAX
fmax
125
MHz
tPLH
CLKBA or CLKAB
AorB
1.5
3.1
4
1
5
ns
tPHL
CLKBA or CLKAB
A or B
1.5
3.2
4.1
1
5
ns
tPLH
AorB
BorA
1
2.3
3.2
0.6
4
ns
tPHL
A or B
B or A
1
3
4.1
0.6
4.9
ns
tPLH
SAB or SBA
BorA
1
2.9
4.3
0.6
5.3
ns
tPHL
SAB or SBA
B or A
1
3.1
4.3
0.6
5.3
ns
tPZH
OE
AorB
1
3.4
4.6
0.6
5.9
ns
tPZL
OE
A or B
1.5
3.5
5.3
1
6
ns
tPHZ
OE
AorB
1.5
3.9
5.6
1
6.4
ns
tPLZ
OE
A or B
1.5
3.1
4.4
1
4.7
ns
tPZH
DIR
AorB
1
3.2
4.5
0.6
5.8
ns
tPZL
DIR
A or B
1.5
3.4
5.1
1
6.7
ns
tPHZ
DIR
AorB
2
4.2
5.9
1.2
7.1
ns
tPLZ
DIR
A or B
1.5
3.6
5.1
1
6.2
ns
These parameters are measured with the internal output state of the storage register opposite that of the bus input.
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature, CL = 50 pF (unless otherwise noted) (see Figure 2)
SN74ABT16646
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 5 V,
TA = 25°C
MIN
MAX
UNIT
MIN
TYP
MAX
fmax
125
MHz
tPLH
CLKBA or CLKAB
AorB
1.5
3.1
4
1.5
4.9
ns
tPHL
CLKBA or CLKAB
A or B
1.5
3.2
4.1
1.5
4.7
ns
tPLH
AorB
BorA
1
2.3
3.2
1
3.9
ns
tPHL
A or B
B or A
1
3
4.1
1
4.6
ns
tPLH
SAB or SBA
BorA
1
2.9
4.3
1
5
ns
tPHL
SAB or SBA
B or A
1
3.1
4.3
1
5
ns
tPZH
OE
AorB
1
3.4
4.6
1
5.5
ns
tPZL
OE
A or B
1.5
3.5
4.9
1.5
5.7
ns
tPHZ
OE
AorB
1.5
3.9
4.9
1.5
5.4
ns
tPLZ
OE
A or B
1.5
3.1
4.1
1.5
4.5
ns
tPZH
DIR
AorB
1
3.2
4.5
1
5.4
ns
tPZL
DIR
A or B
1.5
3.4
4.8
1.5
5.6
ns
tPHZ
DIR
AorB
2
4.2
5.7
2
6.7
ns
tPLZ
DIR
A or B
1.5
3.6
5.1
1.5
5.9
ns
These parameters are measured with the internal output state of the storage register opposite that of the bus input.
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