參數(shù)資料
型號: HYS72V2563201GR-7-A
廠商: INFINEON TECHNOLOGIES AG
英文描述: PC133 Registered SDRAM-Modules
中文描述: PC133的SDRAM的注冊模塊
文件頁數(shù): 10/22頁
文件大小: 593K
代理商: HYS72V2563201GR-7-A
HYS 72Vxx3xxGR
PC133 Registered SDRAM-Modules
INFINEON Technologies
10
2002-07-18
AC Characteristics (SDRAM Device Specification)
T
A
= 0 to 70
°
C
1)
;
V
SS
= 0 V;
V
DD
= 3.3 V
±
0.3 V,
t
T
= 1 ns
Parameter
4), 5)
Symbol
Limit Values
Unit
Note
-7
PC133-222
-7.5
PC133-333
min.
max.
min.
max.
Clock and Access Time
Clock Cycle Time
CAS Latency = 3
CAS Latency = 2
t
CK
7.5
7.5
7.5
10
ns
ns
Clock Frequency
CAS Latency = 3
CAS Latency = 2
f
CK
133
133
133
100
MHz
MHz
Access Time from Clock
CAS Latency = 3
CAS Latency = 2
t
AC
5.4
5.4
5.4
6
ns
ns
Clock High Pulse Width
t
CH
t
CL
t
T
2.5
2.5
ns
Clock Low Pulse Width
2.5
2.5
ns
Transition Time
0.5
7.5
0.5
10
ns
Setup and Hold Parameters
Input Setup Time
t
IS
t
IH
t
SB
t
PDE
t
RCS
1.5
1.5
ns
Input Hold Time
0.8
0.8
ns
Power Down Mode Entry Time
1
1
CLK
Power Down Mode Exit Setup Time
1
1
CLK
Mode Register Setup Time
2
2
CLK
Common Parameters
Row to Column Delay Time
t
RCD
t
RP
t
RAS
t
RC
t
RRD
15
20
ns
Row Precharge Time
15
20
ns
Row Active Time
37
45
100k
ns
Row Cycle Time
60
67.5
ns
Activate (a) to Activate (b) Command
Period
2
2
CLK
CAS(a) to CAS(b) Command Period
t
CCD
1
1
CLK
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