HB54R1G9F2U Datasheet, PDF (4/16 Pages) Elpida Memory – 1GB Registered DDR SDRAM DIMM

Pin Description
Pin name
A0 to A12
BA0, BA1
DQ0 to DQ63
CB0 to CB7
/RAS
/CAS
/WE
/S0, /S1
CKE0, CKE1
CK0
/CK0
DQS0 to DQS8
DM0 to DM8/DQS9 to DQS17
SCL
SDA
SA0 to SA2
VCC
VCCQ
VCCSPD
VREF
VSS
VCCID
/RESET
NC
HB54R1G9F2U-A75B/B75B/10B
Function
Address input
Row address
A0 to A12
Column address A0 to A9, A11
Bank select address
Data input/output
Check bit (Data input/output)
Row address strobe command
Column address strobe command
Write enable
Chip select
Clock enable
Clock input
Differential clock input
Input and output data strobe
Input and output data strobe
Clock input for serial PD
Data input/output for serial PD
Serial address input
Power for internal circuit
Power for DQ circuit
Power for serial EEPROM
Input reference voltage
Ground
VCC identification flag
Reset pin (forces register inputs low)
No connection
Data Sheet E0192H30 (Ver. 3.0)
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