參數(shù)資料
型號(hào)： S-29Z430A
廠商： Seiko Instruments Inc.
英文描述： 512-Word x 16-Bit CMOS Serial EEPROM(8K位CMOS串行EEPROM)
中文描述： 512字× 16位的CMOS串行EEPROM（8K的位的CMOS串行EEPROM的）
文件頁(yè)數(shù)： 37/41頁(yè)
文件大?。?/td> 166K
代理商： S-29Z430A
3
6
Collection of Product FAQs
Author: Kano Tomoo
Date: 98/11/12 (Thursday) 10:17 (modified: 99/01/13(Wednesday))
<Information level>
A:
Public (Printing O.K.)
Index:
D: Technical Terms
<Product>
Division name: 01 IC
Category 1:
12 Memory
Category 2:
2. Serial EEPROM
Cal No.:
Overall
Related documents:
Question:
What are the basic operation codes
Answer:
[Terms required to understand EEPROM data sheets (1)] Basic commands
-
Data read, READ
Reads data from a specified address
-
Data write, WRITE or PROGRAM
Writes data to a specified address
-
Data erase, ERASE
Erases data at a specified address (all “1”’s)
-
Chip write, WRAL
Writes the same (word) data in all address spaces
-
Chip erase, ERAL
Erases data in all address spaces (all “1”’s)
-
Program disable, EWDS or PDS
Prohibits write operations (WRITE), and prevents false-writes caused by noise or uncontrollable
running of the CPU
-
Program enable, EWES or PEN
Enables write operations (WRITE)
[Note]
When the power to the EEPROM is turned on, the internal circuit of the IC is reset and the program
disable mode is entered. Thus, following power-on, the program enable command must be entered in
order to write data.
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