參數(shù)資料
型號(hào)： 93C56AST
廠商： Microchip Technology Inc.
元件分類(lèi)： EEPROM
英文描述： 2K Microwire Compatible Serial EEPROM
中文描述： 2K微絲兼容串行EEPROM
文件頁(yè)數(shù)： 23/24頁(yè)
文件大?。?/td> 405K
代理商： 93C56AST
93AA56A/B/C, 93LC56A/B/C, 93C56A/B/C
DS21794B-page 8
2003 Microchip Technology Inc.
2.6
ERASE/WRITE DISABLE And ENABLE (EWDS/EWEN)
The 93XX56A/B/C powers up in the ERASE/WRITE
Disable (EWDS) state. All Programming modes must be
preceded by an ERASE/WRITE Enable (EWEN) instruc-
tion. Once the EWEN instruction is executed, program-
ming remains enabled until an EWDS instruction is
executed or Vcc is removed from the device.
To protect against accidental data disturbance, the
EWDS
instruction can be used to disable all ERASE/
WRITE functions and should follow all programming
operations. Execution of a READ instruction is indepen-
dent of both the EWEN and EWDS instructions.
FIGURE 2-5:
EWDS TIMING
FIGURE 2-6:
EWEN TIMING
2.7
READ
The READ instruction outputs the serial data of the
addressed memory location on the DO pin. A dummy
zero bit precedes the 8-bit (If ORG pin is low or A-Version
devices) or 16-bit (If ORG pin is high or B-version
devices) output string. The output data bits will toggle on
the rising edge of the CLK and are stable after the spec-
ified time delay (TPD). Sequential read is possible when
CS is held high. The memory data will automatically cycle
to the next register and output sequentially.
FIGURE 2-7:
READ TIMING
CS
CLK
DI
10
00
0
X
X
TCSL
1X
CS
CLK
DI
00
1
X
TCSL
CS
CLK
DI
DO
11
0
An
A0
HIGH-Z
0Dx
D0
Dx
D0
Dx
D0
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
93C56AT-E/CH 制造商:MICROCHIP 制造商全稱(chēng):Microchip Technology 功能描述:1K-16K Microwire Compatible Serial EEPROMs
93C56AT-E/MC 制造商:MICROCHIP 制造商全稱(chēng):Microchip Technology 功能描述:1K-16K Microwire Compatible Serial EEPROMs
93C56AT-E/MNY 功能描述:電可擦除可編程只讀存儲(chǔ)器 2K 5.0V, 256 X 8 SERIAL EE, EXT 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
93C56ATE/MS 制造商:MICROCHIP 制造商全稱(chēng):Microchip Technology 功能描述:2K Microwire Compatible Serial EEPROM
93C56AT-E/MS 功能描述:電可擦除可編程只讀存儲(chǔ)器 256x8 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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