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参数资料
| 型号： | 93LC86C-TE/MC |
| 元件分类： | PROM |
| 英文描述： | 1K X 16 MICROWIRE BUS SERIAL EEPROM, PDSO8 |
| 封装： | 2 X 3 MM, 0.90 MM HEIGHT, LEAD FREE, PLASTIC, MO-229, DFN-8 |
| 文件页数： | 9/38页 |
| 文件大小： | 703K |
| 代理商： | 93LC86C-TE/MC |
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2005 Microchip Technology Inc.
DS21929A-page 17
93XX46X/56X/66X/76X/86X
4.0
PIN DESCRIPTIONS
TABLE 4-1:
PIN DESCRIPTIONS
4.1
Chip Select (CS)
A high level selects the device; a low level deselects
the device and forces it into Standby mode. However, a
programming cycle which is already in progress will be
completed, regardless of the Chip Select (CS) input
signal. If CS is brought low during a program cycle, the
device will go into Standby mode as soon as the
programming cycle is completed.
CS must be low for 250 ns minimum (TCSL) between
consecutive instructions. If CS is low, the internal
control logic is held in a Reset status.
4.2
Serial Clock (CLK)
The Serial Clock is used to synchronize the communi-
cation between a master device and the 93XX series
device. Opcodes, address and data bits are clocked in
on the positive edge of CLK. Data bits are also clocked
out on the positive edge of CLK.
CLK can be stopped anywhere in the transmission
sequence (at high or low level) and can be continued
anytime with respect to Clock High Time (TCKH) and
Clock Low Time (TCKL). This gives the controlling mas-
ter freedom in preparing opcode, address and data.
CLK is a “don't care” if CS is low (device deselected). If
CS is high, but the Start condition has not been
detected (DI = 0), any number of clock cycles can be
received by the device without changing its status (i.e.,
waiting for a Start condition).
CLK cycles are not required during the self-timed Write
(i.e., auto Erase/Write) cycle.
After detection of a Start condition the specified number
of clock cycles (respectively low-to-high transitions of
CLK) must be provided. These clock cycles are
required to clock in all required opcode, address and
data bits before an instruction is executed. CLK and DI
then become “don't care” inputs waiting for a new Start
condition to be detected.
4.3
Data In (DI)
Data In (DI) is used to clock in a Start bit, opcode,
address and data synchronously with the CLK input.
4.4
Data Out (DO)
Data Out (DO) is used in the Read mode to output data
synchronously with the CLK input (TPD after the
positive edge of CLK).
This pin also provides Ready/Busy status information
during Erase and Write cycles. Ready/Busy status
information is available on the DO pin if CS is brought
high after being low for minimum Chip Select Low Time
(TCSL) and an erase or write operation has been
initiated.
The Status signal is not available on DO, if CS is held
low during the entire Erase or Write cycle. In this case,
DO is in the High-Z mode. If status is checked after the
Erase/Write cycle, the data line will be high to indicate
the device is ready.
Name
SOIC/PDIP/MSOP/
TSSOP/DFN
SOT-23
Function
CS
1
5
Chip Select
CLK
2
4
Serial Clock
DI
3
Data In
DO
4
1
Data Out
VSS
5
2
Ground
ORG
6N/A
Organization (93XX46C/56C/66C/76C/86C)
NC(1)
No connect on 93XXA/B devices
PE
7N/A
Program Enable (93XX76C/86C)
NC(1)
No connect on 93XXA/B devices
VCC
8
6
Power Supply
Note 1: With no internal connection, logic levels on NC pins are “don’t cares.”
Note:
After the Read cycle is complete, issuing a
Start bit and then taking CS low will clear
the Ready/Busy status from DO.
相关PDF资料 |
PDF描述 |
|---|---|
| 93AA66A-TI/STG | 512 X 8 MICROWIRE BUS SERIAL EEPROM, PDSO8 |
| 93AA66B-TI/SN | 256 X 16 MICROWIRE BUS SERIAL EEPROM, PDSO8 |
| 93LC66A-TI/SN | 512 X 8 MICROWIRE BUS SERIAL EEPROM, PDSO8 |
| 93LC46C-TI/SN | 64 X 16 MICROWIRE BUS SERIAL EEPROM, PDSO8 |
| 93C46A-TI/MS | 128 X 8 MICROWIRE BUS SERIAL EEPROM, PDSO8 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| 93LC86CT-I/MC | 功能描述:电可擦除可编程只读存储器 16K 1024X16OR2048X8 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 |
| 93LC86CT-I/MNY | 功能描述:电可擦除可编程只读存储器 16K 1024X16 OR 2048X8 SER EE IND 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 |
| 93LC86CT-I/MS | 功能描述:电可擦除可编程只读存储器 1024x16-2048x8 2.5V IND 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 |
| 93LC86CT-I/MSG | 功能描述:电可擦除可编程只读存储器 1024x16-2048x8 Lead Free Package 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 |
| 93LC86CT-I/SN | 功能描述:电可擦除可编程只读存储器 1024x16-2048x8 2.5V IND TEMP, SOIC8 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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