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參數(shù)資料
| 型號(hào)： | W25P025A |
| 廠商： | WINBOND ELECTRONICS CORP |
| 英文描述： | 64K×32 Burst Pipeline High-Speed CMOS Static RAM(64K×32位同步脈沖管線高速CMOS靜態(tài)RAM) |
| 中文描述： | 64K的管道爆裂× 32高速CMOS靜態(tài)RAM（64K的× 32位同步脈沖管線高速的CMOS靜態(tài)RAM）的 |
| 文件頁數(shù)： | 3/17頁 |
| 文件大小： | 313K |
| 代理商： | W25P025A |
W25P025A
Publication Release Date: January 1998
- 3 -
Revision A3
PIN DESCRIPTION
SYMBOL
TYPE
DESCRIPTION
A0
A15
I/O1
I/O32
CLK
Input, Synchronous
Host Address
I/O, Synchronous
Data Inputs/Outputs
Input, Clock
Processor Host Bus Clock
CE1
, CE2,
CE3
Input, Synchronous
Chip Enables
GW
Input, Synchronous
Global Write
BWE
Input, Synchronous
Byte Write Enable from Cache Controller
BW1
BW4
Input, Synchronous
Host Bus Byte Enables used with BWE
Output Enable Input
OE
Input, Asynchronous
ADV
Input, Synchronous
Internal Burst Address Counter Advance
ADSC
Input, Synchronous
Address Status from chip set
ADSP
ZZ
Input, Synchronous
Address Status from CPU
Input, Asynchronous
Snooze Pin for Low-power State, internally pulled low
FT
Input, Static
Connected to V
SSQ
: Device operates in flow-through
(non-pipelined) mode.
Connected to V
DDQ
or unconnected: Device operates
in pipelined mode.
LBO
Input, Static
Lower Address Burst Order
Connected to V
SSQ
: Device operates in linear mode.
Connected to V
DDQ
or unconnected: Device is in non-
linear mode.
MS
Input, Static
Mode Select for 2T/2T or 2T/1T
When unconnected or pulled low, device is in 2T/1T
mode; if pulled high (V
DDQ
), device enters 2T/2T
mode.
V
DDQ
I/O Power Supply
V
SSQ
I/O Ground
V
DD
Power Supply
V
SS
Ground
RSV
Reserved Pins. Don't use these pins.
NC
No Connection
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