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| SN74AVC32T245_15 Datasheet, PDF (18/29 Pages) Texas Instruments – 32-Bit Dual-Supply Bus Transceiver | |||
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SN74AVC32T245
SCES553F â MAY 2004 â REVISED JULY 2015
9.3 Typical Application
1.8 V
0.1 µF
0.1 µF
0.1 µF
www.ti.com
3.3 V
1.8-V
Controller
Data
GND
VCCA
1DIR/2DIR/3DIR/4DIR
1OE/2OE/3OE/4OE
VCCB
SN74AVC32T245
1A1/2A1/3A1/4A1
1A2/2A2/3A2/4A2
1A3/2A3/3A3/4A3
1A4/2A4/3A4/4A4
1A5/2A5/3A5/4A5
1A6/2A6/3A6/4A6
1A7/2A7/3A7/4A7
1A8/2A8/3A8/4A8
1B1/2B1/3B1/4B1
1B2/2B2/3B2/4B2
1B3/2B3/3B3/4B3
1B4/2B4/3B4/4B4
1B5/2B5/3B5/4B5
1B6/2B6/3B6/4B6
1B7/2B7/3B7/4B7
1B8/2B8/3B8/4B8
GND
3.3-V
System
Data
GND
Figure 12. Application Schematic
9.3.1 Design Requirements
This device uses drivers which are enabled depending on the state of the DIR pin. The designer must know the
intended flow of data and take care not to violate any of the high or low logic levels. Unused data inputs must not
be floating, as this can cause excessive internal leakage on the input CMOS structure. Tie any unused input and
output ports directly to ground.
For this design example, use the parameters listed in Table 4.
Table 4. Design Parameters
DESIGN PARAMETER
Input voltage range
Output voltage range
EXAMPLE VALUE
1.2 V to 3.6 V
1.2 V to 3.6 V
18
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