IS43DR16160A-25EBLI ISSI, Integrated Silicon Solution Inc, IS43DR16160A-25EBLI Datasheet - Page 20

• Manufacturer Part Number: IS43DR16160A-25EBLI
• Manufacturer: ISSI, Integrated Silicon Solution Inc

Specifications of IS43DR16160A-25EBLI

• Lead Free Status / Rohs Status: Compliant

IS43/46DR83200A, IS43/46DR16160A
Timing parameters by speed grade (DDR2-667 and DDR2-800) cont'd
(For information related to the entries in this table, refer to both the Guidelines and the Specific Notes following this Table.)
20
Parameter
Activate to activate 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
CKE minimum pulse width (HIGH and
LOW pulse width)
Exit self refresh to a non-read command tXSNR
Exit self refresh to a read command
Exit precharge power down to any
command
Exit active power down to read
command
Exit active power down to read
command (slow exit, lower power)
ODT turn-on delay
ODT turn-on
ODT turn-on (Power-Down mode)
ODT turn-off delay
ODT turn-off
ODT turn-off (Power-Down mode)
ODT to power down entry latency
ODT Power Down Exit Latency
Mode register set command cycle time
OCD drive mode output delay
Minimum time clocks remains ON after
CKE asynchronously drops LOW
Symbol
tRRD
tCCD
tWR
tDAL
tWTR
tRTP
tCKE
tXSRD
tXP
tXARD
tXARDS
tAOND
tAON
tAONPD
tAOFD
tAOF
tAOFPD
tANPD
tAXPD
tMRD
tOIT
tDelay
tIS + tCK(avg)
tAC, min + 2
tAC, min + 2
WR + tnRP
tRFC + 10
tAC, min
tAC, min
7 - AL
+ tIH
Min.
200
7.5
7.5
7.5
2.5
15
2
3
2
2
2
3
8
2
0
DDR2-667
tAC,max + 0.7
2 x tCK(avg) +
tAC,max + 0.6
2.5 x tCK(avg)
+ tAC,max + 1
tAC,max + 1
Integrated Silicon Solution, Inc. — www.issi.com
Max
2.5
12
–
–
–
–
–
–
–
2
–
–
–
–
–
–
–
–
–
tRFC + 10
tCK(avg)
tAC,min
tAC,min
tAC,min
tAC,min
8 - AL
WR +
tnRP
tIS +
+ tIH
Min.
200
+ 2
2.5
+ 2
7.5
7.5
7.5
15
3
8
2
0
2
3
2
2
2
DDR2-800
2.5 x tCK(avg) +
tAC,max + 0.7
2 x tCK(avg) +
tAC,max + 0.6
tAC,max + 1
tAC,max + 1
Max.
2.5
12
–
–
–
–
–
–
–
–
–
–
–
–
2
–
–
–
–
Units Notes
nCK
nCK 33
nCK 27
nCK
nCK
nCK 1
nCK 1, 2
nCK 16
nCK 17, 45
nCK
nCK
nCK
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
05/24/2011
4,32
32
24, 32
3, 32
32
6, 16,
40
17, 43,
45
32
15
Rev. B