HM621400HLJP-12 데이터 시트보기 (PDF) - Hitachi -> Renesas Electronics
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HM621400HLJP-12 Datasheet PDF : 13 Pages
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Pin Description
Pin name
A0 to A21
Din
Dout
CS
OE
WE
VCC
VSS
NC
Function
Address input
Data input
Data output
Chip select
Output enable
Write enable
Power supply
Ground
No connection
HM621400H Series
Block Diagram
(LSB)
A2
A18
A8
A12
A17
A3
A7
A6
(MSB)
Din
Row
decoder
CS
Memory matrix
256 rows × 64 columns ×
256 blocks × 1 bit
(4,194,304 bits)
Column I/O
Column decoder
Internal
voltage
VCC
generater
VSS
Dout
CS
A11 A9 A10A20 A21 A0 A13 A14 A15 A1 A19 A16 A4A5
CS
(LSB)
WE
(MSB)
OE
CS
3
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