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參數(shù)資料
| 型號： | P4C1256-20PI |
| 廠商： | PYRAMID SEMICONDUCTOR CORP |
| 元件分類： | SRAM |
| 英文描述： | 32K X 8 STANDARD SRAM, 20 ns, PDIP28 |
| 封裝： | 0.300 INCH, PLASTIC, DIP-28 |
| 文件頁數(shù)： | 7/16頁 |
| 文件大?。?/td> | 1155K |
| 代理商： | P4C1256-20PI |
W39L040
Publication Release Date: April 14, 2005
- 15 -
Revision A6
6.11 Software Product Identification and Boot Block Lockout Detection Flow Chart
Product
Identification
Entry (1)
Load data 55
to
address 2AAA
Load data 90
to
address 5555
Pause 10 S
Product
Identification
and Boot Block
Lockout
Dt ti
Mode (3)
Read address = 0000
data = DA
Read address = 0001
Read address=02/7FFF2
for Bottom/Top
data:in DQ0="1" or "0"
for 64K Boot Block
or DQ1="1" or "0"
for 16K Boot Block
(4)
Product
Identification Exit(6)
Load data
55
to
address 2AAA
Load data F0
to
address 5555
Normal Mode
(5)
(2)
Load data AA
to
address 5555
Load data AA
to
address 5555
Pause 10 S
data = B6
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| P4C1256-25JC | 32K X 8 STANDARD SRAM, 25 ns, PDSO28 |
| P4C1256L-45L32M | 32K X 8 STANDARD SRAM, 45 ns, QCC32 |
| P4C1256L-70CMB | 32K X 8 STANDARD SRAM, 70 ns, CDIP28 |
| P4C169-55LMB | 4K X 4 STANDARD SRAM, 55 ns, CQCC20 |
| P4C1981-45CMB | 16K X 4 STANDARD SRAM, 45 ns, CDIP28 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| P4C1256-20PILF | 制造商:PYRAMID 制造商全稱:Pyramid Semiconductor Corporation 功能描述:HIGH SPEED 32K x 8 STATIC CMOS RAM |
| P4C1256-20PM | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:HIGH SPEED 32K x 8 STATIC CMOS RAM |
| P4C1256-20PMB | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:HIGH SPEED 32K x 8 STATIC CMOS RAM |
| P4C1256-20PMBLF | 制造商:PYRAMID 制造商全稱:Pyramid Semiconductor Corporation 功能描述:HIGH SPEED 32K x 8 STATIC CMOS RAM |
| P4C1256-20PMLF | 制造商:PYRAMID 制造商全稱:Pyramid Semiconductor Corporation 功能描述:HIGH SPEED 32K x 8 STATIC CMOS RAM |
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