參數(shù)資料
型號： M93C76-WDS6G
廠商： STMICROELECTRONICS
元件分類： PROM
英文描述： 512 X 16 MICROWIRE BUS SERIAL EEPROM, PDSO8
封裝： 3 X 3 MM, ROHS COMPLIANT, TSSOP-8
文件頁數(shù)： 11/38頁
文件大?。?/td> 348K
代理商： M93C76-WDS6G
M93C86, M93C76, M93C66, M93C56, M93C46
Clock pulse counter
9
Clock pulse counter
In a noisy environment, the number of pulses received on Serial Clock (C) may be greater
than the number delivered by the master (the microcontroller). This can lead to a
misalignment of the instruction of one or more bits (as shown in Figure 7.) and may lead to
the writing of erroneous data at an erroneous address.
To combat this problem, the M93Cx6 has an on-chip counter that counts the clock pulses
from the start bit until the falling edge of the Chip Select Input (S). If the number of clock
pulses received is not the number expected, the WRITE, ERASE, ERAL or WRAL
instruction is aborted, and the contents of the memory are not modified.
The number of clock cycles expected for each instruction, and for each member of the
M93Cx6 family, are summarized in Table 5. to Table 7.. For example, a Write Data to
Memory (WRITE) instruction on the M93C56 (or M93C66) expects 20 clock cycles (for the
x8 organization) from the start bit to the falling edge of Chip Select Input (S). That is:
1 Start bit
+ 2 Op-code bits
+ 9 Address bits
+ 8 Data bits
Figure 7.
Write sequence with one clock glitch
AI01395
S
An-1
C
D
WRITE
START
D0
"1"
"0"
An
Glitch
An-2
ADDRESS AND DATA
ARE SHIFTED BY ONE BIT
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M93C-76WDS7P 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:16Kbit, 8Kbit, 4Kbit, 2Kbit and 1Kbit (8-bit or 16-bit wide) MICROWIRE Serial Access EEPROM
M93C76-WMN3TP/S 制造商:STMicroelectronics 功能描述:EEPROM Serial-Microwire 8K-bit 1K x 8/512 x 16 3.3V/5V 8-Pin SO N T/R
M93C76-WMN6 功能描述:電可擦除可編程只讀存儲器 8K (1Kx8 or 512x16) RoHS:否 制造商:Atmel 存儲容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時鐘頻率: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
M93C-76WMN6P 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:16Kbit, 8Kbit, 4Kbit, 2Kbit and 1Kbit (8-bit or 16-bit wide) MICROWIRE Serial Access EEPROM
M93C76-WMN6P 功能描述:電可擦除可編程只讀存儲器 16 Kbit 8 Kbit 4Kbit 2 Kbit and 1 Kbit RoHS:否 制造商:Atmel 存儲容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時鐘頻率: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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