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參數資料
| 型號： | W25P022AF-6 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | SRAM |
| 英文描述： | 64K X 32 BURST PIPELINED HIGH-SPEED CMOS STATIC RAM |
| 中文描述： | 64K X 32 STANDARD SRAM, 6 ns, PQFP100 |
| 封裝： | MO-108, QFP-100 |
| 文件頁數： | 1/17頁 |
| 文件大小： | 310K |
| 代理商： | W25P022AF-6 |
W25P022A
64K
×
32 BURST PIPELINED HIGH-SPEED
CMOS STATIC RAM
Publication Release Date: September 1996
- 1 -
Revision A1
GENERAL DESCRIPTION
The W25P022A is a high-speed, low-power, synchronous-burst pipelined CMOS static RAM
organized as 65,536
×
32 bits that operates on a single 3.3-volt power supply. A built-in two-bit burst
address counter supports both Pentium
burst mode and linear burst mode. The mode to be
executed is controlled by the LBO pin. Pipelining or non-pipelining of the data outputs is controlled by
the FT pin. A snooze mode reduces power dissipation.
The W25P022A supports both 2T/2T mode and 2T/1T mode, which can be selected by pin 42. The
default mode is 2T/1T, with pin 42 low. To switch to 2T/2T mode, bias pin 42 to V
DDQ
. The state of
pin 42 should not be changed after power up. The 2T/2T mode will sustain one cycle of valid data
output in a burst read cycle when the device is deselected by CE2/
CE3
. This mode supports 3-1-1-1-
1-1-1-1 in a two-bank, back-to-back burst read cycle. On the other hand, the 2T/1T mode disables
data output within one cycle in a burst read cycle when the device is deselected by CE2/
CE3
. In this
mode, the device supports only 3-1-1-1-2-1-1-1 in a two-bank, back-to-back burst read cycle.
FEATURES
Synchronous operation
High-speed access time: 6/7 nS (max.)
Single +3.3V power supply
Individual byte write capability
3.3V LVTTL compatible I/O
Clock-controlled and registered input
Asynchronous output enable
Pipelined/non-pipelined data output capability
Supports snooze mode (low-power state)
Internal burst counter supports Intel burst mode
& linear burst mode
Supports both 2T/2T & 2T/1T mode
Packaged in 100-pin QFP or TQFP
BLOCK DIAGRAM
A(15:0)
DATA I/O
REGISTER
INPUT
REGISTER
CONTROL
LOGIC
REGR
64K X 32
CORE
ARRAY
CE(3:1)
BWE
CLK
OE
GW
ADSC
ADSP
ADV
LBO
BW(4:1)
I/O(32:1)
FT
ZZ
MS
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相關代理商/技術參數 |
參數描述 |
|---|---|
| W25P022AF-7 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:64K X 32 BURST PIPELINED HIGH-SPEED CMOS STATIC RAM |
| W25P10 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:1M-BIT, 2M-BIT AND 4M-BIT SERIAL FLASH MEMORY WITH 40MHZ SPI |
| W25P10-VNI | 制造商:WINBOND 制造商全稱:Winbond 功能描述:1M-BIT, 2M-BIT AND 4M-BIT SERIAL FLASH MEMORY WITH 40MHZ SPI |
| W25P10-VNIG | 制造商:WINBOND 制造商全稱:Winbond 功能描述:1M-BIT, 2M-BIT AND 4M-BIT SERIAL FLASH MEMORY WITH 40MHZ SPI |
| W25P10-VSNI | 制造商:WINBOND 制造商全稱:Winbond 功能描述:1M-BIT, 2M-BIT AND 4M-BIT SERIAL FLASH MEMORY WITH 40MHZ SPI |
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