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参数资料
| 型号： | GS816018T-250I |
| 厂商： | Electronic Theatre Controls, Inc. |
| 元件分类： | DRAM |
| 英文描述： | 1M x 18, 512K x 32, 512K x 36 18Mb Sync Burst SRAMs |
| 中文描述： | 1M×18，512k×32，512k×36 18M位同步突发静态存储器 |
| 文件页数： | 17/28页 |
| 文件大小： | 810K |
| 代理商： | GS816018T-250I |
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Rev: 2.12 3/2002
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
17/28
1999, Giga Semiconductor, Inc.
Preliminary
GS816018/32/36T-250/225/200/166/150/133
AC Electrical Characteristics
Notes:
1.
2.
These parameters are sampled and are not 100% tested.
ZZ is an asynchronous signal. However, in order to be recognized on any given clock cycle, ZZ must meet the specified setup and hold
times as specified above.
Parameter
Symbol
-250
-225
-200
-166
-150
-133
Unit
Min
4.0
—
1.5
Max
—
2.5
—
Min
4.4
—
1.5
Max
—
2.7
—
Min
5.0
—
1.5
Max
—
3.0
—
Min
6.0
—
1.5
Max
—
3.4
—
Min
6.7
—
1.5
Max
—
3.8
—
Min
7.5
—
1.5
Max
—
4.0
—
Pipeline
Clock Cycle Time
Clock to Output Valid
Clock to Output Invalid
tKC
tKQ
tKQX
ns
ns
ns
Clock to Output in Low-Z
tLZ
1
tS
tH
tKC
tKQ
tKQX
1.5
—
1.5
—
1.5
—
1.5
—
1.5
—
1.5
—
ns
Setup time
Hold time
Clock Cycle Time
Clock to Output Valid
Clock to Output Invalid
1.2
0.2
5.5
—
3.0
—
—
—
5.5
—
1.3
0.3
6.0
—
3.0
—
—
—
6.0
—
1.4
0.4
6.5
—
3.0
—
—
—
6.5
—
1.5
0.5
7.0
—
3.0
—
—
—
7.0
—
1.5
0.5
7.5
—
3.0
—
—
—
7.5
—
1.5
0.5
8.5
—
3.0
—
—
—
8.5
—
ns
ns
ns
ns
ns
Flow
Through
Clock to Output in Low-Z
tLZ
1
tS
tH
tKH
tKL
3.0
—
3.0
—
3.0
—
3.0
—
3.0
—
3.0
—
ns
Setup time
Hold time
Clock HIGH Time
Clock LOW Time
Clock to Output in
High-Z
G to Output Valid
1.5
0.5
1.3
1.5
—
—
—
—
1.5
0.5
1.3
1.5
—
—
—
—
1.5
0.5
1.3
1.5
—
—
—
—
1.5
0.5
1.3
1.5
—
—
—
—
1.5
0.5
1.5
1.7
—
—
—
—
1.5
0.5
1.7
2
—
—
—
—
ns
ns
ns
ns
tHZ
1
1.5
2.3
1.5
2.5
1.5
3.0
1.5
3.0
1.5
3.0
1.5
3.0
ns
tOE
—
2.3
—
2.5
—
3.2
—
3.5
—
3.8
—
4.0
ns
G to output in Low-Z
tOLZ
1
0
—
0
—
0
—
0
—
0
—
0
—
ns
G to output in High-Z
tOHZ
1
—
2.3
—
2.5
—
3.0
—
3.0
—
3.0
—
3.0
ns
ZZ setup time
tZZS
2
5
—
5
—
5
—
5
—
5
—
5
—
ns
ZZ hold time
tZZH
2
tZZR
1
—
1
—
1
—
1
—
1
—
1
—
ns
ZZ recovery
20
—
20
—
20
—
20
—
20
—
20
—
ns
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