HYB18L256160B QIMONDA [Qimonda AG], HYB18L256160B Datasheet - Page 42

• Manufacturer Part Number: HYB18L256160B
• Description: DRAMs for Mobile Applications 256-Mbit Mobile-RAM
• Manufacturer: QIMONDA [Qimonda AG]

1) These parameters account for the number of clock cycles and depend on the operating frequency as follows:
Rev. 1.73, 2006-09
01302004-CZ2R-J9SE
Parameter
ACTIVE to ACTIVE command period
PRECHARGE command period
Refresh period (8192 rows)
Self refresh exit time
no. of clock cycles = specified delay / clock period; round up to next integer.
t
t
t
t
RC
RP
REF
SREX
Symbol
Timing Parameters for AUTO REFRESH and SELF REFRESH
67
19
—
1
42
min.
- 7.5
—
—
64
—
max.
HY[B/E]18L256160B[C/F]L-7.5
Self Refresh Entry and Exit
ns
ns
ms
t
CK
Units
256-Mbit Mobile-RAM
FIGURE 44
TABLE 15
1)
1)
1)
1)
Data Sheet
Note