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參數(shù)資料
| 型號(hào)： | 74VCXH245 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | Low Voltage Bidirectional Transceiver with Bushold |
| 中文描述： | 低電壓雙向收發(fā)器Bushold |
| 文件頁(yè)數(shù)： | 1/8頁(yè) |
| 文件大?。?/td> | 81K |
| 代理商： | 74VCXH245 |
1999 Fairchild Semiconductor Corporation
ds500198
www.fairchildsemi.com
June 1999
Revised June 1999
7
74VCXH245
Low Voltage Bidirectional Transceiver with Bushold
General Description
The VCXH245 contains eight non-inverting bidirectional
buffers with 3-STATE outputs and is intended for bus ori-
ented applications. The T/R input determines the direction
of data flow. The OE input disables both the A and B Ports
by placing them in a high impedance state. The VCXH245
data inputs include active bushold circuitry, eliminating the
need for external pull-up resistors to hold unused or float-
ing data inputs at a valid logic level.
The 74VCXH245 is designed for low voltage (1.65V to
3.6V) V
CC
applications.
The 74VCXH245 is fabricated with an advanced CMOS
technology to achieve high-speed operation while main-
taining low CMOS power dissipation.
Features
I
1.65V-3.6V V
CC
supply operation
I
Bushold on data inputs eliminates the need for external
pull-up/pull-down resistors
I
t
PD
3.5 ns max for 3.0V to 3.6V V
CC
4.2 ns max for 2.3V to 2.7V V
CC
8.4 ns max for 1.65V to 1.95V V
CC
I
Static Drive (I
OH
/I
OL
)
±
24 mA @ 3.0V V
CC
±
18 mA @ 2.3V V
CC
±
6mA @ 1.65V V
CC
I
Uses patented Quiet Series noise/EMI reduction
circuitry
I
Latchup performance exceeds 300 mA
I
ESD performance:
Human body model
>
2000V
Machine model
>
200V
Ordering Code:
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Logic Symbol
Pin Descriptions
Quiet Series
is a trademark of Fairchild Semiconductor Corporation.
Order Number
74VCXH245WM
74VCXH245MTC
Package Number
M20B
MTC20
Package Description
20-Lead Small Outline Integrated Circuit, JEDEC MS-013, 0.300” Wide Body
20-Lead Thin Shrink Small Outline Package, JEDEC MO-153, 4.4mm Wide
Pin Names
Description
OE
Output Enable Input (Active LOW)
T/R
Transmit/Receive Input
A
0
–A
7
Side A Bushold Inputs or 3-STATE Outputs
B
0
–B
7
Side B Bushold Inputs or 3-STATE Outputs
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 74VCXH245MTC | Low Voltage Bidirectional Transceiver with Bushold |
| 74VCXH245WM | Low Voltage Bidirectional Transceiver with Bushold |
| 74VCXR162601 | Low Voltage 18-Bit Universal Bus Transceivers with 3.6V Tolerant Inputs and Outputs and 26ヘ Series Resistors in the Outputs |
| 74VCXR162601MTD | Low Voltage 18-Bit Universal Bus Transceivers with 3.6V Tolerant Inputs and Outputs and 26ヘ Series Resistors in the Outputs |
| 74VCXR162601MTDX | 18-Bit Bus Transceiver |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74VCXH245/D | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:74VCXH245 |
| 74VCXH245_05 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Low Voltage Bidirectional Transceiver with Bushold |
| 74VCXH245_YAA30262 WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| 74VCXH245MNR2 | 功能描述:總線收發(fā)器 2-6V 8-Bit 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(shí)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 |
| 74VCXH245MNR2G | 功能描述:總線收發(fā)器 2-6V 8-Bit 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(shí)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 |
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