參數(shù)資料
型號: 74LVXC4245QSC
廠商: Fairchild Semiconductor
文件頁數(shù): 1/9頁
文件大?。?/td> 0K
描述: TXRX 8BIT DUAL CONF VOLT 24QSOP
產(chǎn)品培訓(xùn)模塊: Logic Translator Solutions
產(chǎn)品變化通告: Mold Compound Change 12/Sept/2008
標(biāo)準(zhǔn)包裝: 54
系列: 74LVXC
邏輯類型: 收發(fā)器,非反相
元件數(shù): 1
每個(gè)元件的位元數(shù): 8
輸出電流高,低: 24mA,24mA
電源電壓: 2.7 V ~ 5.5 V,4.5 V ~ 5.5 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 24-SSOP(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 24-QSOP
包裝: 管件
其它名稱: 74LVXC4245QSC-ND
74LVXC4245QSCFS
1994 Fairchild Semiconductor Corporation
www.fairchildsemi.com
February 2009
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74LVXC3245
8-Bit Dual Supply Configurable Voltage Interface
Transceiver with 3-STATE Outputs
Features
■ Bidirectional interface between 3V and 3V-to-5V buses
■ Control inputs compatible with TTL level
■ Outputs source/sink up to 24 mA
■ Guaranteed simultaneous switching noise level and
dynamic threshold performance
■ Flexible VCCB operating range
■ Allows B Port and VCCB to float simultaneously when OE
is HIGH
■ Functionally compatible with the 74 series 245
General Description
The LVXC3245 is a 24-pin dual-supply, 8-bit configurable
voltage interface transceiver suited for PCMCIA and other
real time configurable I/O applications. The VCCA pin
accepts a 3V supply level. The A Port is a dedicated 3V
port. The VCCB pin accepts a 3V-to-5V supply level. The B
Port is configured to track the VCCB supply level respec-
tively. A 5V level on the VCC pin will configure the I/O pins
at a 5V level and a 3V VCC will configure the I/O pins at a
3V level. The A Port should interface with a 3V host system
and the B Port to the card slots. This device will allow the
VCCB voltage source pin and I/O pins on the B Port to float
when OE is HIGH. This feature is necessary to buffer data
to and from a PCMCIA socket that permits PCMCIA cards
to be inserted and removed during normal operation.
Ordering Code:
Devices also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code.
Logic Symbol/s
Pin Descriptions
Connection Diagram/s
Order Number
Package Number
Package Description
74LVXC3245WM
M24B
224-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide
74LVXC3245QSC
MQA24
24-Lead Quarter Size Outline Package (QSOP), JEDEC MO-137, 0.150" Wide
74LVXC3245MTC
MTC24
24-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
A0–A7
Side A Inputs or 3-STATE Outputs
B0–B7
Side B Inputs or 3-STATE Outputs
■ Implements proprietary EMI reduction circuitry
相關(guān)PDF資料
PDF描述
74LVX4245QSC TXRX TRANSLAT DUAL 8BIT 24QSOP
2-284513-2 CONN HDR R/A 22POS 3.81MM GREEN
1-1546122-0 TERM BLOCK PLUG 10POS VERT .200
1-1546118-0 TERM BLOCK PLUG 10POS VERT 5MM
1-284509-0 TERM BLOCK PLUG 10POS R/A .150
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74LVXC4245WM 制造商:Fairchild Semiconductor Corporation 功能描述:IC 74LVXC SMD 74LVXC4245 SOIC24