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参数资料
| 型号： | 93LC86BT-I/P |
| 元件分类： | PROM |
| 英文描述： | 128 X 8 MICROWIRE BUS SERIAL EEPROM, PDIP8 |
| 封装： | 0.300 INCH, LEAD FREE, PLASTIC, MS-001, DIP-8 |
| 文件页数： | 10/38页 |
| 文件大小： | 700K |
| 代理商： | 93LC86BT-I/P |
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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.
相关PDF资料 |
PDF描述 |
|---|---|
| 93AA76B-I/P | 128 X 8 MICROWIRE BUS SERIAL EEPROM, PDIP8 |
| 93LC76B-I/MS | 512 X 16 MICROWIRE BUS SERIAL EEPROM, PDSO8 |
| 93C66BT-I/P | 128 X 8 MICROWIRE BUS SERIAL EEPROM, PDIP8 |
| 93LC66CT-I/OT | 256 X 16 MICROWIRE BUS SERIAL EEPROM, PDSO6 |
| 93C76A-I/MC | 512 X 16 MICROWIRE BUS SERIAL EEPROM, PDSO8 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| 93LC86C/S15K | 制造商:Microchip Technology Inc 功能描述:16K, 1024 X 16 OR 2048 X 8 SER - Gel-pak, waffle pack, wafer, diced wafer on film |
| 93LC86C/W15K | 制造商:Microchip Technology Inc 功能描述:16K, 1024 X 16 OR 2048 X 8 SER - Gel-pak, waffle pack, wafer, diced wafer on film |
| 93LC86C/WF15K | 制造商:Microchip Technology Inc 功能描述:16K, 1024 X 16 OR 2048 X 8 SER - Gel-pak, waffle pack, wafer, diced wafer on film |
| 93LC86C-E/MS | 功能描述:电可擦除可编程只读存储器 1024x16-2048x8 2.5V EXT TEMP, MSOP8 RoHS:否 制造商:Atmel 存储容量:2 Kbit 组织:256 B x 8 数据保留:100 yr 最大时钟频率:1000 KHz 最大工作电流:6 uA 工作电源电压:1.7 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 |
| 93LC86C-E/P | 功能描述:电可擦除可编程只读存储器 1024x16-2048x8 2.5V EXT TEMP, PDIP8 RoHS:否 制造商:Atmel 存储容量:2 Kbit 组织:256 B x 8 数据保留:100 yr 最大时钟频率:1000 KHz 最大工作电流:6 uA 工作电源电压:1.7 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 |
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