參數(shù)資料
型號: GS840E18AT-166IT
廠商: GSI TECHNOLOGY
元件分類: SRAM
英文描述: 256K X 18 CACHE SRAM, 8.5 ns, PQFP100
封裝: TQFP-100
文件頁數(shù): 3/32頁
文件大小: 950K
代理商: GS840E18AT-166IT
GS840E18/32/36AT/B-180/166/150/100
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
Rev: 1.14 10/2007
11/32
1999, GSI Technology
Note:
There are pull-up devices on LBO 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
Mode Pin Functions
Mode Name
Pin
Name
State
Function
Burst Order Control
LBO
L
Linear Burst
H or NC
Interleaved Burst
Output Register Control
FT
L
Flow Through
H or NC
Pipeline
Power Down Control
ZZ
L or NC
Active
H
Standby, IDD = ISB
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
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