参数资料
型号: GS881E18AD-250IT
厂商: GSI TECHNOLOGY
元件分类: DRAM
英文描述: 512K x 18, 256K x 36 9Mb Synchronous Burst SRAMs
中文描述: 512K X 18 CACHE SRAM, 5.5 ns, PBGA165
封装: 13 X 15 MM, 1 MM PITCH, FBGA-165
文件页数: 14/37页
文件大小: 662K
代理商: GS881E18AD-250IT
GS881E18/36AT-250/225/200/166/150/133
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
Rev: 1.03 11/2004
6/29
2001, GSI Technology
Mode Pin Functions
Note:
There are pull-up devices on the ZQ and FT pins and a pull-down device on the ZZ pin, so those input pins can be unconnected and the chip
will operate in the default states as specified in the above tables.
Burst Counter Sequences
BPR 1999.05.18
Mode Name
Pin Name
State
L
H
L
H or NC
L or NC
Function
Linear Burst
Interleaved Burst
Flow Through
Pipeline
Active
Standby, I
DD
= I
SB
Burst Order Control
LBO
Output Register Control
FT
Power Down Control
ZZ
H
Note:
The burst counter wraps to initial state on the 5th clock.
Note:
The burst counter wraps to initial state on the 5th clock.
Linear Burst Sequence
A[1:0] A[1:0] A[1:0] A[1:0]
1st address
00
01
10
11
2nd address
01
10
11
00
3rd address
10
11
00
01
4th address
11
00
01
10
Interleaved Burst Sequence
A[1:0] A[1:0] A[1:0] A[1:0]
1st address
00
01
10
11
2nd address
01
00
11
10
3rd address
10
11
00
01
4th address
11
10
01
00
相关PDF资料
PDF描述
GS881E18AD-250T 512K x 18, 256K x 36 9Mb Synchronous Burst SRAMs
GS881E18AT-133 512K x 18, 256K x 36 9Mb Synchronous Burst SRAMs
GS881E18AT-133I 512K x 18, 256K x 36 9Mb Synchronous Burst SRAMs
GS881E18AT-133IT 512K x 18, 256K x 36 9Mb Synchronous Burst SRAMs
GS881E18AT-133T 512K x 18, 256K x 36 9Mb Synchronous Burst SRAMs
相关代理商/技术参数
参数描述
GS881E18AD-250T 制造商:GSI 制造商全称:GSI Technology 功能描述:512K x 18, 256K x 36 9Mb Synchronous Burst SRAMs
GS881E18AT-133 制造商:GSI 制造商全称:GSI Technology 功能描述:512K x 18, 256K x 36 9Mb Synchronous Burst SRAMs
GS881E18AT-133I 制造商:GSI 制造商全称:GSI Technology 功能描述:512K x 18, 256K x 36 9Mb Synchronous Burst SRAMs
GS881E18AT-133IT 制造商:GSI 制造商全称:GSI Technology 功能描述:512K x 18, 256K x 36 9Mb Synchronous Burst SRAMs
GS881E18AT-133T 制造商:GSI 制造商全称:GSI Technology 功能描述:512K x 18, 256K x 36 9Mb Synchronous Burst SRAMs