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參數(shù)資料
| 型號(hào)： | S-29Z330A |
| 廠商： | Seiko Instruments Inc. |
| 英文描述： | 256-Word x 16-Bit CMOS Serial EEPROM(4K位CMOS串行EEPROM) |
| 中文描述： | 256字× 16位的CMOS串行EEPROM（4K的位的CMOS串行EEPROM的） |
| 文件頁(yè)數(shù)： | 32/41頁(yè) |
| 文件大?。?/td> | 166K |
| 代理商： | S-29Z330A |
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3
1
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
*
*
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| S-29ZX30A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Serial 3-wire EEPROMs |
| S2A | 功能描述:撥動(dòng)開(kāi)關(guān) ON-NONE-ON SPDT SOLDER LUG RoHS:否 制造商:C&K Components 觸點(diǎn)形式:DPDT 開(kāi)關(guān)功能:ON - ON - ON 電流額定值: 電壓額定值 AC:20 V 電壓額定值 DC:20 V 功率額定值:0.4 VA 端接類型:V-Bracket 安裝風(fēng)格: 端子密封:Epoxy 觸點(diǎn)電鍍:Gold 照明:Not Illuminated |
| S-2A | 制造商:Nihon Kaiheiki Ind Co Ltd 功能描述:30V 50000(@BIv) / 25000(dCIv) bL +85 -30 30mm 18mm 45.5mm Bulk 制造商:Nihon Dempa Kogyo Co (NDK) 功能描述:Switch, toggle, solder terminal, minitur |
| S2A- | 制造商:GS 功能描述:General Purpose 50V SMD (Surface Mount) Rectifier SMB 2A 制造商:GS 功能描述:General Purpose 50V SMD (Surface Mount) Rectifier SMB 2A - free partial T/R at 500. |
| S2A | 制造商:Vishay Semiconductors 功能描述:DIODE SMB 1.5A 50V |
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