Pin Description
Pin name
A0 to A12
BA0/BA1
DQ0 to DQ63
S0/S1
RE
CE
W
DQMB0 to DQMB7
CK0/CK1
CKE0/CKE1
SDA
SCL
VCC
VSS
NC
HB52RF648DC-B, HB52RD648DC-B
Function
Address input
Row address A0 to A12
Column address A0 to A9
Bank select address
Data-input/output
Chip select
Row address asserted bank enable
Column address asserted
Write enable
Byte input/output mask
Clock input
Clock enable
Data-input/output for serial PD
Clock input for serial PD
Power supply
Ground
No connection
Data Sheet E0083H40
5