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參數(shù)資料
| 型號(hào)： | 93AA66CT-E/OT |
| 元件分類： | PROM |
| 英文描述： | 256 X 16 MICROWIRE BUS SERIAL EEPROM, PDSO6 |
| 封裝： | LEAD FREE, PLASTIC, SC-74A, SOT-23, 6 PIN |
| 文件頁數(shù)： | 10/38頁 |
| 文件大?。?/td> | 700K |
| 代理商： | 93AA66CT-E/OT |
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93XX46X/56X/66X/76X/86X
DS21929D-page 18
2007 Microchip Technology Inc.
4.5
Organization (ORG)
When the ORG pin is connected to VCC or Logic HI, the
(x16) memory organization is selected. When the ORG
pin is tied to VSS or Logic LO, the (x8) memory
organization is selected. For proper operation, ORG
must be tied to a valid logic level.
For devices without the ORG functionality, there is no
internal connection to the ORG pin. In these devices
the functionality has been set at the factory to support
a single word size.
‘A’ series devices – x8 organization
‘B’ series devices – x16 organization
4.6
Program Enable (PE)
A logic level on the PE pin will enable or disable the abil-
ity to write data to the memory array in only the 8-lead
93XX76C and 93XX86C devices. For all other devices
the PE function is not present and the PE pin is a no
connect. When driving the PE pin to a logic High, the
device can be programmed, but when the PE pin is
driven Low, programming is inhibited. This pin is used
in parallel with the EWEN/EWDS latch to protect the
memory array from inadvertent writes, as shown in
In either the 93XX76C or 93XX86C devices, the PE pin
must be tied to a specific logic level and cannot be
floated. In all other devices without the PE function, the
PE pin has no internal connections and programming is
always enabled.
TABLE 4-2:
WRITE PROTECTION SCHEME
EWEN/EWDS Latch
PE Pin*
Array WRITE
Enabled
1
Yes
Disabled
1
No
Enabled
0
No
Disabled
0
No
* PE pin level does not alter the state of the EWEN/EWDS latch.
Note:
For devices with PE functionality such as 93XX76C or 93XX86C, the write sequence requires a logic high
signal on the PE pin prior to the rising edge of clock on the last data bit.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 93AA76B-E/SN | 128 X 8 MICROWIRE BUS SERIAL EEPROM, PDSO8 |
| 93AA76CT-E/MS | 128 X 8 MICROWIRE BUS SERIAL EEPROM, PDSO6 |
| 93C46C-I/OT | 64 X 16 MICROWIRE BUS SERIAL EEPROM, PDSO6 |
| 93AA56A-E/OT | 256 X 8 MICROWIRE BUS SERIAL EEPROM, PDSO6 |
| 93C56CT-I/OT | 128 X 16 MICROWIRE BUS SERIAL EEPROM, PDSO6 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 93AA66CT-I/MC | 功能描述:電可擦除可編程只讀存儲(chǔ)器 4K 256X8 OR 128X16 SER EE 1.8V IND 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 |
| 93AA66CT-I/MNY | 功能描述:電可擦除可編程只讀存儲(chǔ)器 4K 512X8 OR 256X16 SER EE 1.8V IND 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 |
| 93AA66CT-I/MS | 功能描述:電可擦除可編程只讀存儲(chǔ)器 256x8-128x16 - 1.8V 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 |
| 93AA66CT-I/MSG | 功能描述:電可擦除可編程只讀存儲(chǔ)器 256x8-128x16 - 1.8V Lead Free Package 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 |
| 93AA66CT-I/SN | 功能描述:電可擦除可編程只讀存儲(chǔ)器 256x8-128x16 - 1.8V 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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