hm5264165f-75 Elpida Memory, Inc., hm5264165f-75 Datasheet - Page 53

• Manufacturer Part Number: hm5264165f-75
• Description: 64m Lvttl Interface Sdram
• Manufacturer: Elpida Memory, Inc.

Relationship Between Frequency and Minimum Latency
Parameter
Frequency (MHz)
t
Active command to column command
(same bank)
Active command to active command
(same bank)
Active command to precharge command
(same bank)
Precharge command to active command
(same bank)
Write recovery or data-in to precharge
command (same bank)
Active command to active command
(different bank)
Self refresh exit time
Last data in to active command
(Auto precharge, same bank)
Self refresh exit to command input
Precharge command to high impedance
Last data out to active command
(Auto precharge, same bank)
Last data out to precharge (early precharge)
Column command to column command
Write command to data in latency
DQM to data in
DQM to data out
CKE to CLK disable
Register set to active command
CK
(CAS latency = 2)
(CAS latency = 3)
(CAS latency = 2)
(CAS latency = 3)
(ns)
HM5264165F/HM5264805F/HM5264405F-75/A60/B60
Data Sheet E0135H10
Symbol
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
RCD
RC
RAS
RP
DPL
RRD
SREX
APW
SEC
HZP
HZP
APR
EP
EP
CCD
WCD
DID
DOD
CLE
RSA
PC/100
Symbol
Tdpl
Tsrx
Tdal
Troh
Troh
Tccd
Tdwd
Tdqm
Tdqz
Tcke
Tmrd
HM5264165F/
HM5264805F/
HM5264405F
-75
133
7.5
3
9
6
3
2
2
1
5
9
2
3
1
–1
–2
1
0
0
2
1
1
-A60/B60
100
10
2
7
5
2
1
2
1
3
7
2
3
1
–1
–2
1
0
0
2
1
1
Notes
1
= [l
1
1
1
1
1
2
= [l
= [l
3
RAS
DPL
RC
]
+ l
+ l
RP
RP
]
]
53