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参数资料
| 型号： | SNJ54AS646FK |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 总线收发器 |
| 英文描述： | AS SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, CQCC28 |
| 封装： | CERAMIC, LCC-28 |
| 文件页数： | 28/28页 |
| 文件大小： | 658K |
| 代理商： | SNJ54AS646FK |
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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
9
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage, VCC
7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage, VI: Control inputs
7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
I / O ports
5.5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating free-air temperature range, TA: SN54ALS648
– 55
°C to 125°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SN74ALS648A
0
°C to 70°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range
– 65
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
recommended operating conditions
SN54ALS648
SN74ALS648A
UNIT
MIN
NOM
MAX
MIN
NOM
MAX
UNIT
VCC
Supply voltage
4.5
5
5.5
4.5
5
5.5
V
VIH
High-level input voltage
2
V
VIL
Low-level input voltage
0.7
0.8
V
IOH
High-level output current
–12
–15
mA
IOL
Low-level output current
12
24
mA
fclock
Clock frequency
0
35
0
40
MHz
tw
Pulse duration, CLKBA or CLKAB high or low
14.5
12.5
ns
tsu
Setup time, A before CLKAB
↑ or B before CLKBA↑
15
10
ns
th
Hold time, A after CLKAB
↑ or B after CLKBA↑
0
ns
TA
Operating free-air temperature
–55
125
0
70
°C
相关PDF资料 |
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|---|---|
| SN74ALS646A-1DW | ALS SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO24 |
| SN74ALS648ADWRE4 | ALS SERIES, 8-BIT REGISTERED TRANSCEIVER, INVERTED OUTPUT, PDSO24 |
| SN74ALS651ADWRE4 | ALS SERIES, 8-BIT REGISTERED TRANSCEIVER, INVERTED OUTPUT, PDSO24 |
| SN74ALS651ADWR | ALS SERIES, 8-BIT REGISTERED TRANSCEIVER, INVERTED OUTPUT, PDSO24 |
| SN74ALS651ADW | ALS SERIES, 8-BIT REGISTERED TRANSCEIVER, INVERTED OUTPUT, PDSO24 |
相关代理商/技术参数 |
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|---|---|
| SNJ54AS646JT | 制造商:Texas Instruments 功能描述: |
| SNJ54AS652JT | 制造商:Texas Instruments 功能描述: |
| SNJ54AS652W | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| SNJ54AS74AJ | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述: 制造商:Texas Instruments 功能描述:Flip Flop D-Type Pos-Edge 2-Element 14-Pin CDIP Tube |
| SNJ54AS74J | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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