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參數(shù)資料
| 型號(hào)： | 74LCXZ245MSA |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | Low Voltage Bidirectional Transceiver with 5V Tolerant Inputs and Outputs |
| 中文描述： | LVC/LCX/Z SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20 |
| 封裝： | 5.30 MM, EIAJ TYPE2, SSOP-20 |
| 文件頁(yè)數(shù)： | 1/10頁(yè) |
| 文件大?。?/td> | 105K |
| 代理商： | 74LCXZ245MSA |
2000 Fairchild Semiconductor Corporation
DS500362
www.fairchildsemi.com
October 2000
Revised October 2000
7
74LCXZ245
Low Voltage Bidirectional Transceiver
with 5V Tolerant Inputs and Outputs
General Description
The 74LCXZ245 contains eight non-inverting bidirectional
buffers with 3-STATE outputs and is intended for bus ori-
ented applications. The device is designed for low voltage
(2.5V and 3.3V) V
CC
applications with capability of interfac-
ing to a 5V signal environment. The T/R input determines
the direction of data flow through the device. The OE input
disables both the A and B ports by placing them in a high
impedance state.
The 74LCXZ245 is fabricated with an advanced CMOS
technology to achieve high speed operation while maintain-
ing CMOS low power dissipation. When V
CC
is between 0V
and 1.5V, the 74LCXZ245 is on the high impedance state
during power up or power down. This places the outputs in
the high impedance (Z) state preventing intermittent low
impedance loading or glitching in bus oriented applications.
Features
I
5V tolerant inputs and outputs
I
2.3V–3.6V V
CC
specifications provided
I
7.0 ns t
PD
max (V
CC
=
3.3V), 10
μ
A I
CC
max
I
Power down high impedance inputs and outputs
I
Supports live insertion/withdrawal (Note 1)
I
±
24 mA output drive (V
CC
=
3.0V)
I
Implements patented noise/EMI reduction circuitry
I
Latch-up performance exceeds 500 mA
I
ESD performance:
Human body model
>
2000V
Machine model
>
200V
Note 1:
To ensure the high-impedance state during power up or down, OE
should be tied to V
CC
through a pull-up resistor: the minimum value or the
resistor is determined by the current-sourcing capability of the driver.
Ordering Code:
Devices also available in Tape and Reel. Specify by appending the suffix letter
“
X
”
to the ordering code.
Logic Symbol
Pin Descriptions
Connection Diagram
Order Number
74LCXZ245WM
74LCXZ245SJ
74LCXZ245MSA
74LCXZ245MTC
Package Number
M20B
M20D
MSA20
MTC20
Package Description
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide
20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
20-Lead Shrink Small Outline Package (SSOP), EIAJ TYPE II, 5.3mm Wide
20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
Pin Names
Description
OE
Output Enable Input
T/R
Transmit/Receive Input
A
0
–
A
7
Side A Inputs or 3-STATE Outputs
B
0
–
B
7
Side B Inputs or 3-STATE Outputs
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 74LCXZ245MTC | Low Voltage Bidirectional Transceiver with 5V Tolerant Inputs and Outputs |
| 74LCXZ245SJ | Low Voltage Bidirectional Transceiver with 5V Tolerant Inputs and Outputs |
| 74LCXZ245WM | Low Voltage Bidirectional Transceiver with 5V Tolerant Inputs and Outputs |
| 74LS243 | Quadruple Bus Transceiver |
| 74LS347DC | BCD TO 7-SEGMENT DECODER/DRIVER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74LCXZ245MSA_Q | 功能描述:總線收發(fā)器 Transceiver Bidirectional 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 |
| 74LCXZ245MSAX | 功能描述:總線收發(fā)器 5V Transceiver LV Bidirectional 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 |
| 74LCXZ245MTC | 功能描述:總線收發(fā)器 Transceiver Bidirectional 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 |
| 74LCXZ245MTC_Q | 功能描述:總線收發(fā)器 Transceiver Bidirectional 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 |
| 74LCXZ245MTCX | 功能描述:總線收發(fā)器 5V Transceiver LV Bidirectional 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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