Data Sheet.
HY[B/E]18L512160BF-7.5
512-Mbit Mobile-RAM
FIGURE 10
Bank Activate Timings
#,+
!#4
2/7
"! X
./0
!#4
2/7
"! Y
./0
./0
2$ꢁ72
#/,
./0
#OMMAND
!ꢂꢃ!ꢄꢅ
"! Y
"!ꢂꢆ "!ꢄ
T22$
T2#$
ꢀ $ONgT #ARE
TABLE 11
Timing Parameters for ACTIVE Command
- 7.5 Units Notes
Parameter
Symbol
min.
max.
1)
1)
1)
ACTIVE to ACTIVE command period
ACTIVE to READ or WRITE delay
ACTIVE bank A to ACTIVE bank B delay
tRC
tRCD
tRRD
67
19
15
—
—
—
ns
ns
ns
1) These parameters account for the number of clock cycles and depend on the operating frequency as follows:no. of clock cycles = specified
delay / clock period; round up to next integer.
Rev. 1.22, 2006-12
19
01132005-06IU-IGVM