参数资料
型号: V55C3256164VGLK-10IPC
厂商: PROMOS TECHNOLOGIES INC
元件分类: DRAM
英文描述: SYNCHRONOUS DRAM, PBGA54
封装: GREEN, MO-210, FBGA-54
文件页数: 8/55页
文件大小: 711K
代理商: V55C3256164VGLK-10IPC
16
V55C3256164VG Rev. 1.0 September 2008
ProMOS TECHNOLOGIES
V55C3256164VG
AC Characteristics 1,2
TA = 0 to 70°C (Commercial) / -40 to 85°C (Industrial) / -40 to 105°C (H grade) / -40 to 125°C (Extended);
Vss = 0V; VDD = (3.0~3.3) V ± 0.3 V; t T = 1ns
#
Symbol
Parameter
Limit Values
Unit
Note
-6
-7PC
-7
Min.
Max.
Min.
Max.
Min.
Max.
Clock and Clock Enable
1tCK
Clock Cycle Time
CAS Latency = 3
CAS Latency = 2
6
7.5
7
7.5
7
10
s
ns
2tCK
Clock Frequency
CAS Latency = 3
CAS Latency = 2
166
133
143
133
143
100
MHz
3tAC
Access Time from Clock
CAS Latency = 3
CAS Latency = 2
_
5.4
_
5.4
_
5.4
6
ns
2, 3
4tCH
Clock High Pulse Width
2.5
2.5
2.5
ns
5tCL
Clock Low Pulse Width
2.5
2.5
2.5
ns
6tT
Transition Tim
0.3
1.2
0.3
1.2
0.3
1.2
ns
Setup and Hold Times
7tIS
Input Setup Time
1.5
1.5
1.5
ns
4
8tIH
Input Hold Time
0.8
0.8
0.8
ns
4
9tCKS
CKE Setup Time
1.5–1.5–1.5
ns
4
10
tCKH
CKE Hold Time
0.8–0.8–0.8
ns
4
11
tRSC
Mode Register Set-up Time
12
14
14
ns
12
tSB
Power Down Mode Entry Time
0
6
0
7
0
7
ns
13
tDS
Data-in setup time
1.5
1.5
1.5
ns
14
tDH
Data-in hold time
0.8
0.8
0.8
ns
Common Parameters
15
tRCD
Row to Column Delay Time
15
15
15
ns
5
16
tRP
Row Precharge Time
15
15
15
ns
5
17
tRAS
Row Active Time
40
100K
42
100K
42
100K
ns
5
18
tRC
Row Cycle Time
60
60
60
ns
5
19
tRRD
Activate(a) to Activate(b) Command Period
12
14
14
ns
5
20
tCCD
CAS(a) to CAS(b) Command Period
1
1
1
CLK
21
tDPL
Data-in to Precharge Command for Manual
precharge
2
–2–
2–
CLK
Refresh Cycle
22
tREF
Refresh Period (8192 cycles)
32
32
32
ms
7
64
64
64
ms
23
tSREX
Self Refresh Exit Time
1
1
1
CLK
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