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參數(shù)資料
| 型號： | S-29331A |
| 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） |
| 文件頁數(shù)： | 7/47頁 |
| 文件大?。?/td> | 261K |
| 代理商： | S-29331A |
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CMOS SERIAL E
2
PROM
S-29XX1A Series
6
Seiko Instruments Inc.
Operation
Instructions (in the order of start-bit, instruction, address, and data) are latched to DI in synchronization with the
rising edge of SK after CS goes high. A start-bit can only be recognized when the high of DI is latched to the rising
edge of SK when CS goes from low to high, it is impossible for it to be recognized as long as DI is low, even if there
are SK pulses after CS goes high. Any SK pulses input while DI is low are called "dummy clocks." Dummy clocks
can be used to adjust the number of clock cycles needed by the serial IC to match those sent out by the CPU.
Instruction input finishes when CS goes low, where it must be between commands during t
CDS
.
All input, including DI and SK signals, is ignored while CS is low, which is stand-by mode.
1.
Read
The READ instruction reads data from a specified address. After A0 is latched at the rising edge of SK, DO output
changes from a high-impedance state (Hi-Z) to low level output. Data is continuously output in synchronization with
the rise of SK.
When all of the data (D0) in the specified address has been read, the data in the next address can be read with the
input of another SK clock. Thus, it is possible for all of the data addresses to be read through the continuous input
of SK clocks as long as CS is high.
The last address (An … A1 A0 = 1 … 11) rolls over to the top address (An … A0 = 0 … 00).
Figure 4
Read Timing (S-29131A)
D
15
D
15
D
14
D
14
D
13
D
14
Hi
-
Z
A
5
A
4
A
3
A
2
A
1
A
0
+1
D
13
D
0
D
1
D
2
D
15
0
Hi-Z
A
0
A
1
A
2
A
3
A
4
A
5
0
1
1
28
27
26
25
24
23
12
11
10
9
8
7
6
5
4
3
2
1
44
43
42
41
40
39
A
5
A
4
A
3
A
2
A
1
A
0
+2
D
13
D
0
D
1
D
2
CS
SK
DI
DO
Figure 5
Read Timing
(S-29231A)
4
0
1
1
3
2
1
CS
SK
DI
DO
D
15
D
15
D
14
D
14
D
13
D
14
Hi
-
Z
A
6
A
5
A
4
A
3
A
2
A
1
A
0
+1
D
13
D
0
D
1
D
2
D
15
0
Hi-Z
A
0
A
1
A
2
A
3
A
4
A
5
29
28
27
26
25
24
13
12
11
10
9
8
7
6
5
45
44
43
42
41
40
A
6
A
5
A
4
A
3
A
2
A
1
A
0
+2
D
13
D
0
D
1
D
2
A
6
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| S-29331ADP | 制造商:SII 制造商全稱:Seiko Instruments Inc 功能描述:CMOS SERIAL EEPROM |
| S-29331AFJ | 制造商:SII 制造商全稱:Seiko Instruments Inc 功能描述:CMOS SERIAL EEPROM |
| S29337 | 制造商:Schneider Electric 功能描述:CB DIRECT MOUNTED ROTARY HANDLE |
| S29338 | 制造商:Square D by Schneider Electric 功能描述:ROTARY OPERATING HANDLE 制造商:Square D by Schneider Electric 功能描述:ROTARY OPERATING HANDLE; Series:PowerPact; Accessory Type:Rotary Operating Handle; Features:Extended Door Mount (Black); For Use With:Thermal Magnetic Circuit Breakers (H / J Frame) |
| S29339 | 制造商:Schneider Electric 功能描述:CB DIRECT MOUNTED ROTARY HANDLE |
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