hm62w16256b Renesas Electronics Corporation., hm62w16256b Datasheet - Page 14

• Manufacturer Part Number: hm62w16256b
• Description: 4 M Sram 256-kword X 16-bit - Hitachi Semiconductor
• Manufacturer: Renesas Electronics Corporation.

HM62W16256B Series
Low V
Low V
Low V
14
LB, UB
V
CS1
CS2
0 V
V
0 V
3.0 V
0.4 V
V
V
3.0 V
2.0 V
DR
V
V
0 V
3.0 V
2.0 V
CC
CC
DR
CC
DR
CC
CC
CC
Data Retention Timing Waveform (1) (CS1 Controlled)
Data Retention Timing Waveform (2) (CS2 Controlled)
Data Retention Timing Waveform (3) (LB, UB Controlled)
t
CDR
t
CDR
t
CDR
Data retention mode
0 V
Data retention mode
Data retention mode
CS1
LB, UB
CS2
V
CC
V
0.2 V
– 0.2 V
CC
– 0.2 V
t
R
t
R
t
R