HYB39S256400T-10 SIEMENS [Siemens Semiconductor Group], HYB39S256400T-10 Datasheet - Page 43

• Manufacturer Part Number: HYB39S256400T-10
• Description: 256 MBit Synchronous DRAM
• Manufacturer: SIEMENS [Siemens Semiconductor Group]

15. Auto Refresh (CBR)
Semiconductor Group
CLK
CKE
CS
RAS
CAS
WE
BS
AP
Addr.
DQM
DQ
Hi-Z
Precharge
Command
All Banks
T0
t
CK2
T1
t
RP
Auto Refresh
T2
Command
T3
T4
(Minimum Interval)
T5
t
RC
T6
T7
Auto Refresh
Command
T8
T9 T10 T11
43
t
RC
T12 T13
256 MBit Synchronous DRAM
Command
T14
Activate
Bank A
RAx
RAx
HYB 39S256400/800/160T
T15
T16
Command
Bank A
Read
CAx
T17
Burst Length = 4, CAS Latency = 2
T18
T19 T20 T21 T22
Ax0 Ax1
1998-10-01
SPT03920
Ax2
Ax3