EBD21RD4ABNA
Pin Description
Pin name
Function
Address input
Row address
A0 to A12
A0 to A12
Column address
A0 to A9, A11, A12
BA0, BA1
Bank select address
Data input/output
DQ0 to DQ63
CB0 to CB7
Check bit (Data input/output)
Row address strobe command
Column address strobe command
Write enable
/RAS
/CAS
/WE
/CS0, /CS1
Chip select
CKE0, CKE1
Clock enable
CK0
Clock input
/CK0
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
DQS0 to DQS8
DM0 to DM8/DQS9 to DQS17
SCL
SDA
SA0 to SA2
VDD
Power for internal circuit
Power for DQ circuit
VDDQ
VDDSPD
VREF
VSS
Power for serial EEPROM
Input reference voltage
Ground
VDDID
/RESET
NC
VDD identification flag
Reset pin (forces register inputs low)
No connection
Preliminary Data Sheet E0273E20 (Ver. 2.0)
4