MC74LVX4245DWG 查看數據表（PDF） - ON Semiconductor
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MC74LVX4245DWG Datasheet PDF : 10 Pages
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MC74LVX4245
MICROCHANNEL/
EISA/ISA/AT
5V
5V BUS
LOCAL
3V BUS
KEYBOARD
CONTROLLER
SUPER
I/O
CORE
LOGIC
TRANSCEIVERS
5V
VCCA
3V
VCCB
A PORT
A0:7
LVX4245
B PORT
B0:7
PCMCIA
CONTROLLER
VGA
CONTROLLER
3V
CACHE
SRAM
CPU
386/486
ROM
BIOS
MEMORY
DRIVER
Figure 4. MC74LVX4245 Fits Into a System with 3V Subsystem and 5V Subsystem
VCCA
MC74LVX4245
VCCB
(T/R) DIR
VCCB
A0
OE
A1
B0
A2
B1
STANDARD
A3
74 SERIES
B2
A4
`245
B3
A5
B4
A6
B5
A7
B6
GND
B7
GND
GND
Figure 5. MC74LVX4245 Pin Arrangement Is Compatible to 20−Pin 74 Series ‘245s
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