參數(shù)資料
型號(hào)： 93C46A
廠商： Microchip Technology Inc.
元件分類： EEPROM
英文描述： 1K Microwire Compatible Serial EEPROM
中文描述： 一千微絲兼容串行EEPROM
文件頁數(shù)： 8/24頁
文件大小： 403K
代理商： 93C46A
93AA46A/B/C, 93LC46A/B/C, 93C46A/B/C
DS21749D-page 8
2003 Microchip Technology Inc.
2.6
ERASE/WRITE DISABLE And ENABLE (EWDS/EWEN)
The 93XX46A/B/C powers up in the ERASE/WRITE
Disable (
EWDS
) state. All Programming modes must be
preceded by an ERASE/WRITE Enable (
EWEN
)
instruction. Once the
EWEN
instruction is executed,
programming 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 independent 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
specified time delay (T
PD
). 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
1
0
0
0
0
X
X
T
CSL
1
X
CS
CLK
DI
0
0
1
1
X
T
CSL
CS
CLK
DI
DO
1
1
0
An
A0
HIGH-Z
0
Dx
D0
Dx
D0
Dx
D0
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93C46C 1K Microwire Compatible Serial EEPROM
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
93C46A/S15K 制造商:Microchip Technology Inc 功能描述:1K, 128 X 8 SERIAL EE, IND, DI - Gel-pak, waffle pack, wafer, diced wafer on film
93C46A/W15K 功能描述:電可擦除可編程只讀存儲(chǔ)器 1K, 128 X 8 SERIAL EE,IND, WAFER 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
93C46A/WF15K 功能描述:電可擦除可編程只讀存儲(chǔ)器 1K, 128 X 8 SERIAL EE, IND, WAFER ON FR 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
93C46A-E/MC 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:1K Microwire Compatible Serial EEPROM
93C46A-E/MCG 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:1K Microwire Compatible Serial EEPROM
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