參數(shù)資料
型號: S-29530A
廠商: Seiko Instruments Inc.
英文描述: 16Kbit Serial EEPROM(16K位串行EEPROM)
中文描述: 16Kbit串行EEPROM(16K的位串行EEPROM的)
文件頁數(shù): 35/44頁
文件大?。?/td> 178K
代理商: S-29530A
3
4
Collection of Product FAQs
Author: Kano Tomoo
Date: 98/11/12 (Thursday) 10:17 (modified: 99/01/13)
<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 about the basic terms (memory protect, reset, CS)
Answer:
Memory protect, reset
S-29xx1A, S-29x94A, S-29x55A
Function for prohibiting a write command from being executed in a certain region of the memory space.
This function is enabled by controlling the protect or reset input pin (select/deselect protect). This reset
prevents the microcomputer from running uncontrollably and also prevents false-writes caused by noise
in order to protect data.
Ex.: Storage of ID codes and product shipment adjustment data
(Note) S-29xx1A and S-29x94A protect 50% of memory, starting with the leading address.
CS, /CS (/CS: S-29x55A, S-29x94A)
CS is an input pin used to select the execution of a command. It is selected using “H” and deselected
using “L” (the reverse is true for /CS)
/CS is useful on the interface of the microcomputer (L active is mainly used for the microcomputer).
Malfunction, however, is likely to be caused by noise upon power-on if a command is executed at the
GND level.
A
0
A
6
17
50
34
19
D
1
D
1
D
1
D
1
D
1
D
1
Hi
-
Z
A
7
A
6
A
5
A
4
A
3
A
2
A
1
A
0
+1
D
1
D
0
D
1
D
2
D
1
Hi-Z
A
1
A
2
A
3
A
4
A
5
A
7
0
1
33
32
31
30
29
16
15
9
3
2
1
49
48
47
46
45
A
7
A
6
A
5
A
4
A
3
A
2
A
1
A
0
+2
D
1
D
0
D
1
D
2
18
CS
SK
DI
DO
8
7
6
5
4
12
14
11
10
13
X
X
X
0
0
*
*
相關PDF資料
PDF描述
S-29630A 32Kbit Serial EEPROM(32K位串行EEPROM)
S-29590A 16Kbit Serial EEPROM(16K位串行EEPROM)
S-29690A 32Kbit Serial EEPROM(32K位串行EEPROM)
S-29L130A 1Kbit CMOS Serial EEPROM(1K位CMOS串行EEPROM)
S-29L131A 1Kbit CMOS Serial EEPROM(1K位CMOS串行EEPROM)
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