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參數(shù)資料
| 型號(hào)： | CAT28C65BW-90 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | PROM |
| 英文描述： | 8K X 8 EEPROM 5V, 90 ns, PDSO28 |
| 封裝： | LEAD FREE AND HALOGEN FREE, SOIC-28 |
| 文件頁數(shù)： | 12/13頁 |
| 文件大?。?/td> | 418K |
| 代理商： | CAT28C65BW-90 |
CAT28C65B
8
Doc. No. 1009, Rev. E
ADDRESS
CE
OE
WE
DATA OUT
tAS
DATA IN
DATA VALID
HIGH-Z
tAH
tWC
tOEH
tDH
tDS
tOES
tBLC
tCH
tCS
tCW
RDY/BUSY
tRB
HIGH-Z
falling edge of
WE or CE, whichever occurs last. Data,
conversely, is latched on the rising edge of
WE or CE,
whichever occurs first. Once initiated, a byte write cycle
automatically erases the addressed byte and the new
data is written within 5 ms.
Page Write
The page write mode of the CAT28C65B (essentially an
extended BYTE WRITE mode) allows from 1 to 32 bytes
of data to be programmed within a single EEPROM write
cycle. This effectively reduces the byte-write time by a
factor of 32.
Following an initial WRITE operation (
WE pulsed low, for
tWP, and then high) the page write mode can begin by
issuing sequential
WE pulses, which load the address
and data bytes into a 32 byte temporary buffer. The page
address where data is to be written, specified by bits A5
to A12, is latched on the last falling edge of WE. Each
byte within the page is defined by address bits A0 to A4
Figure 5. Byte Write Cycle [CE Controlled]
Figure 6. Page Mode Write Cycle
OE
CE
WE
ADDRESS
I/O
tWP
tBLC
BYTE 0
BYTE 1
BYTE 2
BYTE n
BYTE n+1
BYTE n+2
LAST BYTE
tWC
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CAT28C65BWA-12 | 功能描述:電可擦除可編程只讀存儲(chǔ)器 (8kx8) 64K 5V 120ns RoHS:否 制造商:Atmel 存儲(chǔ)容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時(shí)鐘頻率:1000 KHz 最大工作電流:6 uA 工作電源電壓:1.7 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 |
| CAT28C65BWI12 | 制造商:Catalyst Semiconductor 功能描述: |
| CAT28C65BWI-12 | 功能描述:電可擦除可編程只讀存儲(chǔ)器 (8kx8) 64K 5V 120ns RoHS:否 制造商:Atmel 存儲(chǔ)容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時(shí)鐘頻率:1000 KHz 最大工作電流:6 uA 工作電源電壓:1.7 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 |
| CAT28C65BWI90 | 制造商:ON Semiconductor 功能描述: |
| CAT28C65BWI-90 | 功能描述:電可擦除可編程只讀存儲(chǔ)器 (8kx8) 64K 5V 90ns RoHS:否 制造商:Atmel 存儲(chǔ)容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時(shí)鐘頻率:1000 KHz 最大工作電流:6 uA 工作電源電壓:1.7 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 |
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