参数资料
型号: V54C3256164VBJ7PC
厂商: PROMOS TECHNOLOGIES INC
元件分类: DRAM
英文描述: 16M X 16 SYNCHRONOUS DRAM, 5.4 ns, PBGA60
封装: LEAD FREE, MO-210, FBGA-60
文件页数: 9/50页
文件大小: 728K
代理商: V54C3256164VBJ7PC
17
V54C3256(16/80/40)4VB Rev. 1.0 December 2003
ProMOS TECHNOLOGIES
V54C3256(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 (8192 cycles)
—
64
—
64
—
64
—
64
ms
20
tSREX
Self Refresh Exit Time
1
—
1
—
1
—
1
—
CLK
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