參數(shù)資料
型號： S-29190A
廠商： Seiko Instruments Inc.
英文描述： 64-Word x 16-Bit CMOS Serial EEPROM(1K位CMOS串行EEPROM)
中文描述： 64字× 16位的CMOS串行EEPROM（每1000位的CMOS串行EEPROM的）
文件頁數(shù)： 9/44頁
文件大?。?/td> 208K
代理商： S-29190A
CMOS SERIAL E
2
PROM
S-29X90A Series
8
Seiko Instruments Inc.
2.2 Write all (WRAL)
This instruction writes the same 16-bit data into every address.
After changing CS to high, input a start-bit, op-code (WRAL), address (optional), and 16-bit data. If there is a data
overflow of more than 16 bits, the write data is shifted for every clock in succession and only the last 16-bit data is
valid. Changing CS to low starts the WRAL operation. It is not necessary to make the data "1" before initiating the
WRAL operation.
Hi-Z
17
16
t
PR
1
t
SV
15
14
D15
0
0
8
7
6
5
4
3
2
1
SK
DI
DO
0
D0
Hi-Z
t
HZ1
ready
busy
9
32
X
X
X
X
X
X
X
t
CDS
VERIFY
CS
Standby
Figure 7
WRAL Timing
2.3 Erase all (ERAL)
This instruction erases the data in every address. All data changes to "1."
After changing CS to high, input a start-bit, op-code (ERAL), and address (optional) . It is not necessary to input data.
Changing CS to low starts the ERAL operation.
3. Write enable (PEN) and Write disable (PDS)
The PEN instruction puts the S-29X90A Series into write enable mode, which accepts PROGRAM, WRAL, and ERAL
instruction. The PDS instruction puts the S-29X90A Series into write disable mode, which refuses PROGRAM,
WRAL, and ERAL instruction.
The S-29X90A Series powers on in write disable mode, which protects data against unexpected, erroneous write
operations caused by noise and/or CPU malfunctions. It should be kept in write disable mode except when
performing write operations.
Figure 8
ERAL Timing
Hi-Z
16
t
PR
1
t
SV
15
14
X
0
0
8
7
6
5
4
3
2
1
SK
DI
DO
0
X
Hi-Z
t
HZ1
ready
busy
9
X
X
X
X
X
t
CDS
VERIFY
Standby
CS
Figure 9 PEN/PDS Timing
11=PEN
00=PDS
0
0
X
1
2
3
4
5
6
7
8
DI
CS
SK
X
X
16
X
相關(guān)PDF資料
PDF描述
S-29290A 128-Word x 16-Bit CMOS Serial EEPROM(2K位CMOS串行EEPROM)
S-29430 The CAT24FC02 is a 2-kb Serial CMOS EEPROM internally organized as 256 words of 8 bits each
S-29430ADP The CAT24FC02 is a 2-kb Serial CMOS EEPROM internally organized as 256 words of 8 bits each
S-29430AFE The CAT24FC02 is a 2-kb Serial CMOS EEPROM internally organized as 256 words of 8 bits each
S-29430A The CAT24FC02 is a 2-kb Serial CMOS EEPROM internally organized as 256 words of 8 bits each
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
S-29190ADP 制造商:SII 制造商全稱:Seiko Instruments Inc 功能描述:CMOS SERIAL EEPROM
S-29190AFJ 制造商:SII 制造商全稱:Seiko Instruments Inc 功能描述:CMOS SERIAL EEPROM
S-29191A 制造商:SII 制造商全稱:Seiko Instruments Inc 功能描述:CMOS SERIAL EEPROM
S-29191ADP 制造商:SII 制造商全稱:Seiko Instruments Inc 功能描述:CMOS SERIAL EEPROM
S-29191AFJ 制造商:SII 制造商全稱:Seiko Instruments Inc 功能描述:CMOS SERIAL EEPROM
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