74lvc1t45gw NXP Semiconductors, 74lvc1t45gw Datasheet - Page 22

• Manufacturer Part Number: 74lvc1t45gw
• Description: Dual Supply Translating Transceiver; 3-state
• Manufacturer: NXP Semiconductors

NXP Semiconductors
14. Application information
74LVC_LVCH1T45_1
Product data sheet
14.1 Unidirectional logic level-shifting application
The circuit given in
in an unidirectional logic level-shifting application.
Table 16.
Pin
1
2
3
4
5
6
Fig 15. Unidirectional logic level-shifting application
Name
V
GND
A
B
DIR
V
CC(A)
CC(B)
Description unidirectional logic level-shifting application
Figure 15
Function
V
GND
OUT
IN
DIR
V
system-1
CC1
CC2
V
V
Rev. 01 — 11 May 2009
CC1
CC1
is an example of the 74LVC1T45; 74LVCH1T45 being used
V
CC(A)
GND
A
74LVC1T45; 74LVCH1T45
Description
supply voltage of system-1 (1.2 V to 5.5 V)
device GND
output level depends on V
input threshold value depends on V
the GND (LOW level) determines B port to A port direction
supply voltage of system-2 (1.2 V to 5.5 V)
1
2
3
74LVCH1T45
74LVC1T45
Dual supply translating transceiver; 3-state
6
5
4
V
DIR
B
CC(B)
CC1
system-2
001aaj994
V
V
voltage
CC2
CC2
CC2
© NXP B.V. 2009. All rights reserved.
voltage
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