參數(shù)資料
型號(hào): SN74AVC2T45YEPR
廠商: Texas Instruments, Inc.
英文描述: DUAL BIT DUAL SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3 STATE OUTPUTS
中文描述: 雙位雙電源總線收發(fā)器可配置電壓轉(zhuǎn)換和3態(tài)輸出
文件頁數(shù): 14/21頁
文件大?。?/td> 376K
代理商: SN74AVC2T45YEPR
www.ti.com
APPLICATION INFORMATION
V
CC1
V
CC1
V
CC2
SYSTEM-1
SYSTEM-2
V
CC1
1
2
3
4
8
7
6
5
V
CC2
V
CC2
SN74AVC2T45
DUAL-BIT DUAL-SUPPLY BUS TRANSCEIVER
WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
SCES531F–DECEMBER 2003–REVISED MAY 2005
Figure 12
is an example circuit of the SN74AVC2T45 used in a bidirectional logic level-shifting application.
PIN
1
2
3
4
5
6
7
8
NAME
V
CCA
A1
A2
GND
DIR
B2
B1
V
CCB
FUNCTION
V
CC1
OUT1
OUT2
GND
DIR
IN2
IN1
V
CC2
DESCRIPTION
SYSTEM-1 supply voltage (1.2 V to 3.6 V)
Output level depends on V
CC1
voltage.
Output level depends on V
CC1
voltage.
Device GND
The GND (low-level) determines B-port to A-port direction.
Input threshold value depends on V
CC2
voltage.
Input threshold value depends on V
CC2
voltage.
SYSTEM-2 supply voltage (1.2 V to 3.6 V)
Figure 12. Bidirectional Logic Level-Shifting Application
14
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