参数资料
型号: V54C3128404VBLF8PC
厂商: PROMOS TECHNOLOGIES INC
元件分类: DRAM
英文描述: 32M X 4 SYNCHRONOUS DRAM, 6 ns, PBGA60
封装: LEAD FREE, MO-210, FBGA-60
文件页数: 9/54页
文件大小: 693K
代理商: V54C3128404VBLF8PC
17
V54C3128(16/80/40)4VB Rev. 1.2 January 2005
ProMOS TECHNOLOGIES
V54C3128(16/80/40)4VB
AC Characteristics 1,2, 3
TA = 0 to 70 °C; VSS = 0 V; VDD = 3.3 V ± 0.3 V, tT = 1 ns
#
Symbol
Parameter
Limit Values
Unit Note
-6
-7PC
-7
-8PC
Min. Max. 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
8
10
s
ns
2tCK
Clock Frequency
CAS Latency = 3
CAS Latency = 2
166
133
143
133
143
100
125
100
MHz
3tAC
Access Time from Clock
CAS Latency = 3
CAS Latency = 2
_
5.4
_
5.4
_
5.4
6
_
6
ns
2, 4
4tCH
Clock High Pulse Width
2.5
2.5
2.5
–3–ns
5tCL
Clock Low Pulse Width
2.5
2.5
2.5
–3–ns
6tT
Transition Tim
0.3
1.2
0.3
1.2
0.3
1.2
0.5
10
ns
Setup and Hold Times
7tIS
Input Setup Time
1.5
1.5
1.5
–2–ns
5
8tIH
Input Hold Time
0.8
0.8
0.8
–1–ns
5
9tCKS
Input Setup Time
1.5
1.5
1.5
–2–ns
5
10
tCKH
CKE Hold Time
0.8
0.8
0.8
–1–ns
5
11
tRSC
Mode Register Set-up Time
12
14
14
16
ns
12
tSB
Power Down Mode Entry Time
0
6
0
7
0
708ns
Common Parameters
13
tRCD
Row to Column Delay Time
12
15
15
20
ns
6
14
tRP
Row Precharge Time
15
15
15
20
ns
6
15
tRAS
Row Active Time
40
100K
42
100K
42
100K
45
100k
ns
6
16
tRC
Row Cycle Time
60
60
60
60
ns
6
17
tRRD
Activate(a) to Activate(b) Command Period
12
14
14
16
ns
6
18
tCCD
CAS(a) to CAS(b) Command Period
1
1
1
1
CLK
Refresh Cycle
19
tREF
Refresh Period (4096 cycles)
64
64
64
64
ms
20
tSREX
Self Refresh Exit Time
1
1
1
1
CLK
Read Cycle
21
tOH
Data Out Hold Time
2.5
3
3
–3–ns
2
22
tLZ
Data Out to Low Impedance Time
1
1
1
–0–ns
23
tHZ
Data Out to High Impedance Time
3
6
3
7
3
738ns
7
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