K3N5V1000F-J001 (Ic402) :P2 Rom Of 1,048,576Word X 16 Bit / 2,097,152 Word X 8 Bit - JVC XV-S300BK Service Manual

4.8 K3N5V1000F-J001 (IC402) :P2 ROM of 1,048,576word x 16 bit / 2,097,152 word x 8 bit

4.8.1 Pin layout
4.8.2 Block diagram
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
4.8.3 Pin functions
Symbol Function
A0 - A20 Address Input
D0 - D14 Data Output
CE Chip Enable
OE Output Enable
BYTE Mode Switch
Vcc Power Supply
Vss
WE Write enable
WP Connect to ground
x 8 / x 16 Output select
CE
CE
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
GND
XV-S300BK/XV-S332SL/XV-S402SL/XV-S403SG
OE
BYTE
OE
Memory Cell Matrix
1,048,576 x 16-Bit or 2,097,152 x 8-Bit
Multiplexer
Output Buffer
D0 D2 D4 D6 D8 D10 D12
D1 D3 D5 D7 D9 D11 D13
When the mode of IC outputs
eight bits, these pins are in the
state of high impedance.
D14
31