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Número de pieza | S-24C02B | |
Descripción | 2-WIRE CMOS SERIAL E2PROM | |
Fabricantes | Seiko | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de S-24C02B (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
No Preview Available ! Rev.3.2_00
2-WIRE CMOS SERIAL E2PROM
S-24C01B/02B/04B
The S-24C01B/02B/04B is a 2-wired, low power and
wide range operation 1k bit, 2k bit, 4k bit E2PROM
organized as 128 words × 8 bits, 256 words × 8 bits,
and 512 words × 8 bits in each.
Page write and sequential read are available.
Features
• Low power consumption Standby : 1.0 µA Max. (VCC=5.5 V)
Oprating : 0.8 mA Max. (VCC=5.5 V)
0.3 mA Max. (Vcc=3.3 V)
• Wide operating voltage range :
2.0 to 5.5
• Page write :
8 bytes / page (S-24C01B/02B)
16 bytes / page (S-24C04B)
• Sequential read
• Operating Frequency :
• Endurance :
400 kHz (VCC=5 V±10 %)
106 cycles/word
• Data retention :
10 years
• Write protection
S-24C01B : 100%
S-24C02B/04B : 50%
• S-24C01B :
1k bit
• S-24C02B :
2k bit
• S-24C04B :
4k bit
Package
Package name
Package
Drawing code
Tape
8-Pin DIP
DP008-A
−
8-Pin SOP(JEDEC)
FJ008-A
FJ008-D
8-Pin MSOP
FN008-A
FN008-A
Remark For details, please refer to “Product Code Structure”.
Reel
−
FJ008-D
FN008-A
Caution This product is intended to use in general electronic devices such as consumer electronics,
office equipment, and communications devices. Before using the product in medical
equipment or automobile equipment including car audio, keyless entry and engine control
unit, contact to SII is indispensable.
Seiko Instruments Inc.
1
1 page Rev.3.2_00
2-WIRE CMOS SERIAL E2PROM
S-24C01B/02B/04B
Absolute Maximum Ratings
Table 4
Parameter
Symbol
Ratings
Unit
Power supply voltage
VCC
−0.3 to +7.0
V
Input voltage
VIN −0.3 to VCC+0.3
Output voltage
VOUT
−0.3 to VCC
Operating ambient temperature
Topr
−40 to +85
°C
Storage temperature
Tstg
−65 to +150
°C
Caution The absolute maximum ratings are rated values exceeding which the
product could suffer physical damage. These values must therefore
not be exceeded under any condition.
Recommended Operating Conditions
Parameter
Power supply voltage
High level input voltage
Low level input voltage
Symbol
VCC
VIH
VIL
Table 5
Conditions
−
VCC=2.5 to 5.5 V
VCC=2.0 to 2.5 V
VCC=2.5 to 5.5 V
VCC=2.0 to 2.5 V
Min.
2.0
0.7×VCC
0.8×VCC
0.0
0.0
Typ.
−
−
−
−
−
Max.
5.5
VCC
VCC
0.3×VCC
0.2×VCC
Unit
V
Pin Capacitance
Parameter
Input capacitance
Input/output capacitance
Symbol
CIN
CI/O
Table 6
Conditions
VIN=0 V (SCL, WP)
VI/O=0 V (SDA)
(Ta=25 °C, f=1.0 MHz, Vcc=5 V)
Min. Typ. Max. Unit
− − 10 pF
− − 10 pF
Endurance
Parameter
Endurance
Symbol
NW
Table 7
Operating temperatrue
−40 to +85 °C
Min.
106
Typ. Max.
Unit
− − cycles/word
Seiko Instruments Inc.
5
5 Page Rev.3.2_00
2-WIRE CMOS SERIAL E2PROM
S-24C01B/02B/04B
3. Data Transmission
Changing the SDA line while the SCL line is “L” allows the data to be transmitted. A start or stop condition is
recognized when the SDA line changes while the SCL line is “H”.
tSU.DAT
tHD.DAT
SCL
SDA
Figure 9 Data Transmission Timing
4. Acknowledgment
The unit of data transmission is 8 bits. By turning the SDA line “L” the slave device mounted on the system
bus which receives the data during the 9th clock cycle outputs the acknowledgment signal verifying the data
reception. When the E2PROM is rewriting, the device does not output the acknowledgment signal.
SCL
(E2PROM Input)
SDA
(Master Output)
1
89
SDA
(E2PROM Output) Start Condition
Acknowledge
Output
tAA tDH
Figure 10 Acknowledge Output Timing
Seiko Instruments Inc.
11
11 Page |
Páginas | Total 30 Páginas | |
PDF Descargar | [ Datasheet S-24C02B.PDF ] |
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