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參數(shù)資料
| 型號： | 74ALVCH32245 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 32-BIT BUS TRANSCEIVER WITH 3-STATE OUTPUTS |
| 中文描述： | 32位總線收發(fā)器和三態(tài)輸出 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 123K |
| 代理商： | 74ALVCH32245 |
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
SN74ALVCH32245
32-BIT BUS TRANSCEIVER
WITH 3-STATE OUTPUTS
SCES282 – OCTOBER 1999
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Member of the Texas Instruments
Widebus+
Family
EPIC
(Enhanced-Performance Implanted
CMOS) Submicron Process
Bus Hold on Data Inputs Eliminates the
Need for External Pullup/Pulldown
Resistors
Latch-Up Performance Exceeds 100 mA Per
JESD 78, Class II
ESD Protection Exceeds JESD 22
– 2000-V Human-Body Model (A114-A)
– 200-V Machine Model (A115-A)
– 1000-V Charged-Device Model (C101)
Packaged in Plastic Fine-Pitch Ball Grid
Array Package
description
This 32-bit noninverting bus transceiver is designed for 1.65-V to 3.6-V V
CC
operation.
The SN74ALVCH32245 is designed for asynchronous communication between data buses. The
control-function implementation minimizes external timing requirements.
This device can be used as four 8-bit transceivers, two 16-bit transceivers, or one 32-bit transceiver. It allows
data transmission from the A bus to the B bus or from the B bus to the A bus, depending on the logic level at
the direction-control (DIR) input. The output-enable (OE) input can be used to disable the device so that the
buses are effectively isolated.
To ensure the high-impedance state during power up or power down, OE should be tied to V
CC
through a pullup
resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
Active bus-hold circuitry is provided to hold unused or floating data inputs at a valid logic level.
The SN74ALVCH32245 is characterized for operation from –40
°
C to 85
°
C.
FUNCTION TABLE
(each 8-bit section)
INPUTS
OPERATION
OE
L
DIR
L
B data to A bus
L
H
A data to B bus
H
X
Isolation
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright
1999, Texas Instruments Incorporated
EPIC and Widebus+ are trademarks of Texas Instruments Incorporated.
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參數(shù)描述 |
|---|---|
| 74ALVCH32245BF | 功能描述:總線收發(fā)器 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 |
| 74ALVCH32245BF8 | 功能描述:總線收發(fā)器 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 |
| 74ALVCH32245BFG | 功能描述:總線收發(fā)器 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 |
| 74ALVCH32245BFG8 | 功能描述:總線收發(fā)器 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 |
| 74ALVCH32245LB | 功能描述:總線收發(fā)器 32-Bit Bus Transcver 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 |
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