參數(shù)資料
型號： PI74FCT2245T
廠商： Pericom Semiconductor Corp.
英文描述： Fast CMOS Octal Bidirectional Transceivers
中文描述： 快速CMOS八路雙向收發(fā)器
文件頁數(shù)： 4/4頁
文件大?。?/td> 248K
代理商： PI74FCT2245T
4
PS2012B 09/22/99
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PI74FCT245T/640T/645T
25 Ohm Series PI74FCT2245T/2640T/2645T
Octal BidirectionalTransceivers
PI74FCT245T/2245T Switching Characteristics over Operating Range
245T/2245T
Com.
Min.
245AT/2245AT 245CT/2245CT
Com.
Min.
Max.
245DT
Com.
Min
Com.
Parameters Description
Conditions
(1)
Max.
Min.
Max.
Max. Unit
t
PLH
t
PHL
t
PZH
t
PZL
t
PHZ
t
PLZ
t
PZH
t
PZL
t
PHZ
t
PLZ
Propagation Delay
A to B, B to A
Output Enable Time
OE to A or B
Output Disable Time
OE to A or B
(3)
Output Enable Time
T/R to A or B
Output Disable Time
(3)
T/R to A or B
(3)
C
L
= 50 pF
R
L
= 500 Ohm
1.5
7.0
1.5
4.6
1.5
4.1
1.5
3.8
ns
1.5
9.0
1.5
6.2
1.5
5.8
1.5
5.0
ns
1.5
7.5
1.5
5.0
1.5
4.8
1.5
4.3
ns
1.5
9.0
1.5
6.2
1.5
5.8
1.5
5.0
ns
1.5
7.5
1.5
5.0
1.5
4.8
1.5
4.3
ns
Notes:
1. See test circuit and waveforms.
2. Minimum limits are guaranteed but not tested on Propagation Delays.
3. This parameter is guaranteed but not production tested.
PI74FCT640T/2640T Switching Characteristics over Operating Range
640T/2640T
Com.
Min.
640AT/2640AT 640CT/2640CT
Com.
Min.
Max.
640DT
Com.
Min.
Com.
Parameters Description
Conditions
(1)
Max.
Min.
Max.
Max. Unit
t
PLH
t
PHL
t
PZH
t
PZL
t
PHZ
t
PLZ
t
PZH
t
PZL
t
PHZ
t
PLZ
Propagation Delay
A to B, B to A
Output Enable Time
OE to A or B
Output Disable Time
OE to A or B
(3)
Output Enable Time
T/R to A or B
Output Disable Time
(3)
T/R to A or B
(3)
C
L
= 50 pF
R
L
= 500 Ohm
2.0
7.0
1.5
5.0
1.5
4.4
1.5
3.7
ns
2.0
13.0
1.5
6.2
1.5
5.8
1.5
5.0
ns
2.0
10.0
1.5
5.0
1.5
4.8
1.5
4.3
ns
2.0
13.0
1.5
6.2
1.5
5.8
1.5
5.0
ns
2.0
10.0
1.5
5.0
1.5
4.8
1.5
4.3
ns
PI74FCT645T/2645T Switching Characteristics over Operating Range
645T/2645T
Com.
Min.
645AT/2645AT 645CT/2645CT
Com.
Min.
Max.
645DT
Com.
Min.
Com.
Parameters
Description
Conditions
(1)
Max.
Min.
Max.
Max. Unit
t
PLH
t
PHL
t
PZH
t
PZL
t
PHZ
t
PLZ
t
PZH
t
PZL
t
PHZ
t
PLZ
Propagation Delay
A to B, B to A
Output Enable Time
OE to A or B
Output Disable Time
OE to A or B
(3)
Output Enable Time
T/R to A or B
Output Disable Time
(3)
T/R to A or B
(3)
C
L
= 50 pF
R
L
= 500 Ohm
1.5
9.5
1.5
4.6
1.5
4.1
1.5
3.8
ns
1.5
11.0
1.5
6.2
1.5
5.8
1.5
5.0
ns
1.5
12.0
1.5
5.0
1.5
4.8
1.5
4.3
ns
1.5
11.0
1.5
6.2
1.5
5.8
1.5
5.0
ns
1.5
12.0
1.5
5.0
1.5
4.8
1.5
4.3
ns
Pericom Semiconductor Corporation
2380 Bering Drive San Jose, CA 95131 1-800-435-2336 Fax (408) 435-1100 http://www.pericom.com
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PI74FCT2245T5A 制造商:Pericom Semiconductor Corporation 功能描述:
PI74FCT2245TP 制造商:Pericom Semiconductor Corporation 功能描述:Bus XCVR Single 8-CH 3-ST 20-Pin PDIP Tube
PI74FCT2245TQE 功能描述:總線收發(fā)器 Octal Bidirectional Transceiver RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel
PI74FCT2245TQEX 功能描述:總線收發(fā)器 Octal Bidirectional Transceiver RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel
PI74FCT2245TQX 制造商:Pericom Semiconductor Corporation 功能描述:Bus XCVR Single 8-CH 3-ST 20-Pin QSOP T/R
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