HM5212325F Hitachi Semiconductor, HM5212325F Datasheet - Page 4

• Manufacturer Part Number: HM5212325F
• Description: 128M LVTTL interface SDRAM 100 MHz 1-Mword x 32-bit x 4-bank PC/100 SDRAM
• Manufacturer: Hitachi Semiconductor

HM5212325F-B60
Pin Description
Pin name
A0 to A13
DQ0 to DQ31
CS
RAS
CAS
WE
DQMB0 to DQMB3
CLK
CKE
V
V
Open
Note:
4
CC
SS
1. DQMB0: DQ0 to DQ7
2. Don’t connect. Internally connected with die.
DQMB1: DQ8 to DQ15
DQMB2: DQ16 to DQ23
DQMB3: DQ24 to DQ31
Function
Address input
Data-input/output
Chip select
Row address strobe command
Column address strobe command
Write enable
Byte data mask*
Clock input
Clock enable
Power supply
Ground
Open*
Row address
Column address
Bank select address A12/A13 (BS)
2
1
A0 to A11
A0 to A7