74avc2t45 NXP Semiconductors, 74avc2t45 Datasheet - Page 21

• Manufacturer Part Number: 74avc2t45
• Description: 74avc2t45 Dual-bit, Dual-supply Voltage Level Translator/transceiver; 3-state
• Manufacturer: NXP Semiconductors

NXP Semiconductors
13. Application information
74AVC2T45_1
Product data sheet
13.1 Unidirectional logic level-shifting application
The circuit given in
unidirectional logic level-shifting application.
Table 11.
Pin
1
2
3
4
5
6
7
8
Fig 8. Unidirectional logic level-shifting application
Name
V
1A
2A
GND
DIR
2B
1B
V
CC(A)
CC(B)
Unidirectional logic level-shifting application
V
V
CC1
CC1
system-1
Figure 8
Dual-bit, dual-supply voltage level translator/transceiver; 3-state
V
Function
V
OUT1
OUT2
GND
DIR
IN2
IN1
V
CC1
CC1
CC2
Rev. 01 — 3 July 2007
is an example of the 74AVC2T45 being used in an
V
CC(A)
GND
1A
2A
1
2
3
4
Description
supply voltage of system-1 (0.8 V to 3.6 V)
output level depends on V
output level depends on V
device GND
the GND (LOW level) determines B port to A port direction
input threshold value depends on V
input threshold value depends on V
supply voltage of system-2 (0.8 V to 3.6 V)
74AVC2T45
8
7
6
5
V
1B
2B
DIR
CC(B)
CC1
CC1
voltage
voltage
V
74AVC2T45
CC2
system-2
CC2
CC2
001aag581
© NXP B.V. 2007. All rights reserved.
V
V
voltage
voltage
CC2
CC2
21 of 28