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| 型號(hào)： | SN74ABT18502PMR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 總線收發(fā)器 |
| 英文描述： | ABT SERIES, DUAL 9-BIT BOUNDARY SCAN REG TRANSCEIVER, TRUE OUTPUT, PQFP64 |
| 封裝： | GREEN, PLASTIC, LQFP-64 |
| 文件頁(yè)數(shù)： | 18/32頁(yè) |
| 文件大?。?/td> | 578K |
| 代理商： | SN74ABT18502PMR |
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SN74ABT18502
SCAN TEST DEVICE
WITH 18-BIT REGISTERED BUS TRANSCEIVER
SCBS753 – FEBRUARY 2002
25
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
timing requirements over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (normal mode) (see Figure 13)
MIN
MAX
UNIT
fclock
Clock frequency
CLKAB or CLKBA
0
100
MHz
t
Pulse duration
CLKAB or CLKBA high or low
3.5
ns
tw
Pulse duration
LEAB or LEBA high
3.5
ns
A before CLKAB
↑ or B before CLKBA↑
4
tsu
Setup time
A before LEAB
↓ or B before LEBA↓
CLK high
3.5
ns
A before LEAB
↓ or B before LEBA↓
CLK low
2
th
Hold time
A after CLKAB
↑ or B after CLKBA↑
0
ns
th
Hold time
A after LEAB
↓ or B after LEBA↓
2
ns
timing requirements over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (test mode) (see Figure 13)123
MIN
MAX
UNIT
fclock
Clock frequency
TCK
0
50
MHz
tw
Pulse duration
TCK high or low
8
ns
A, B, CLK, LE, or OE before TCK
↑
4.5
tsu
Setup time
TDI before TCK
↑
7.5
ns
TMS before TCK
↑
3
A, B, CLK, LE, or OE after TCK
↑
0.5
th
Hold time
TDI after TCK
↑
0.5
ns
TMS after TCK
↑
0.5
td
Delay time
Power up to TCK
↑
50
ns
tr
Rise time
VCC power up
1
s
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (normal mode) (see Figure 13)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 5 V,
TA = 25°C
MIN
MAX
UNIT
(INPUT)
(OUTPUT)
MIN
TYP
MAX
fmax
CLKAB or CLKBA
100
130
100
MHz
tPLH
AorB
BorA
2
3.8
5.6
2
6
ns
tPHL
A or B
B or A
2
3.8
5.6
2
6
ns
tPLH
CLKAB or CLKBA
BorA
2.5
4.7
5.7
2.5
6
ns
tPHL
CLKAB or CLKBA
B or A
2.5
4.7
5.7
2.5
6
ns
tPLH
LEAB or LEBA
BorA
2.5
4.9
6.4
2.5
7
ns
tPHL
LEAB or LEBA
B or A
2.5
4.9
6.5
2.5
7
ns
tPZH
OEAB or OEBA
BorA
2
4.9
6.3
2
7
ns
tPZL
OEAB or OEBA
B or A
2.5
5.6
7.2
2.5
8
ns
tPHZ
OEAB or OEBA
BorA
3
6.1
7.8
3
8.8
ns
tPLZ
OEAB or OEBA
B or A
2.5
4.8
6.5
2.5
7.3
ns
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SN74ABT18502PMRG4 | 功能描述:特定功能邏輯 W/18-Bit Univ Bus Trncvr RoHS:否 制造商:Texas Instruments 產(chǎn)品: 系列:SN74ABTH18502A 工作電源電壓:5 V 封裝 / 箱體:LQFP-64 封裝:Tube |
| SN74ABT18502PN | 制造商:TI 功能描述:74ABT18502 S1A4B |
| SN74ABT18504 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:SCAN TEST DEVICES WITH 20-BIT UNIVERSAL BUS TRANSCEIVERS |
| SN74ABT18504PM | 功能描述:特定功能邏輯 Device w/20-Bit Univ Bus Transceiver RoHS:否 制造商:Texas Instruments 產(chǎn)品: 系列:SN74ABTH18502A 工作電源電壓:5 V 封裝 / 箱體:LQFP-64 封裝:Tube |
| SN74ABT18504PMG4 | 功能描述:特定功能邏輯 Device w/20-Bit Univ Bus Transceiver RoHS:否 制造商:Texas Instruments 產(chǎn)品: 系列:SN74ABTH18502A 工作電源電壓:5 V 封裝 / 箱體:LQFP-64 封裝:Tube |
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