EBE10RD4AJFA Datasheet, PDF (18/30 Pages) Elpida Memory – 1GB Registered DDR2 SDRAM DIMM

EBE10RD4AJFA
Speed bin
Parameter
Active bank A to active bank B command period
/CAS to /CAS command delay
Write recovery time
Auto precharge write recovery + precharge time
Internal write to read command delay
Internal read to precharge command delay
Exit self-refresh to a non-read command
Exit self-refresh to a read command
Exit precharge power down to any non-read command
Exit active power down to read command
Exit active power down to read command
(slow exit/low power mode)
CKE minimum pulse width (high and low pulse width)
Output impedance test driver delay
MRS command to ODT update delay
Auto-refresh to active/auto-refresh command time
Average periodic refresh interval
(0°C ≤ TC ≤ +85°C)
(+85°C < TC ≤ +95°C)
Minimum time clocks remains ON after CKE
asynchronously drops low
Symbol
tRRD
tCCD
tWR
tDAL
tWTR
tRTP
tXSNR
tXSRD
tXP
tXARD
tXARDS
tCKE
tOIT
tMOD
tRFC
tREFI
tREFI
tDELAY
-6E
DDR2-667 (5-5-5)
min.
max.
7.5

2

15

WR + RU
(tRP/tCK(avg))

7.5

7.5

tRFC + 10

200

2

2

7 − AL

3

0
12
0
12
105


7.8

3.9
tIS
tIH
+
tCK(avg)
+

Unit
Notes
ns
nCK
ns
nCK
1, 9
ns
14
ns
ns
nCK
nCK
nCK
3
nCK
2, 3
nCK
ns
ns
ns
µs
µs
ns
Data Sheet E1038E30 (Ver. 3.0)
18