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| 型號： | SNJ54ALS648FK |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 總線收發(fā)器 |
| 英文描述： | ALS SERIES, 8-BIT REGISTERED TRANSCEIVER, INVERTED OUTPUT, CQCC28 |
| 封裝： | CERAMIC, LCC-28 |
| 文件頁數(shù)： | 3/28頁 |
| 文件大小： | 658K |
| 代理商： | SNJ54ALS648FK |
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SN54ALS646, SN54ALS648, SN54AS646
SN74ALS646A, SN74ALS648A, SN74AS646, SN74AS648
OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS
SDAS039F – DECEMBER 1983 – REVISED JANUARY 1995
11
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
switching characteristics (see Figure 2)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 4.5 V to 5.5 V,
CL = 50 pF,
R1 = 500
,
R2 = 500
,
TA = MIN to MAX
UNIT
SN54ALS648
SN74ALS648A
MIN
MAX
MIN
MAX
fmax
35
40
MHz
tPLH
CLKBA or CLKAB
AorB
8
39
7
33
ns
tPHL
CLKBA or CLKAB
A or B
5
23
5
20
ns
tPLH
AorB
BorA
3
20
2
17
ns
tPHL
A or B
B or A
2
12
2
10
ns
tPLH
SBA or SAB
AorB
5
44
5
39
ns
tPHL
(stored data low)
A or B
4
26
4
22
ns
tPLH
SBA or SAB
AorB
6
30
6
25
ns
tPHL
(stored data high)
A or B
6
25
6
21
ns
tPZH
OE
AorB
4
25
2
22
ns
tPZL
OE
A or B
4
25
4
22
ns
tPHZ
OE
AorB
1
12
1
10
ns
tPLZ
OE
A or B
2
21
2
15
ns
tPZH
DIR
AorB
4
35
2
27
ns
tPZL
DIR
A or B
3
25
3
19
ns
tPHZ
DIR
AorB
1
17
1
14
ns
tPLZ
DIR
A or B
2
22
2
15
ns
For conditions shown MIN or MAX, use the appropriate value specified under recommended operating conditions.
These parameters are measured with the internal output state of the storage register opposite that of the bus input.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SNJ54ALS652FK | 制造商:TI 制造商全稱:Texas Instruments 功能描述:OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS |
| SNJ54ALS652JT | 制造商:Texas Instruments 功能描述: |
| SNJ54ALS653FK | 制造商:TI 制造商全稱:Texas Instruments 功能描述:OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS |
| SNJ54ALS653JT | 制造商:Texas Instruments 功能描述:Bus XCVR Single 8-CH 3-ST/Open Collector 24-Pin CDIP Tube |
| SNJ54ALS653W | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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