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S-25A640B Ver la hoja de datos (PDF) - Seiko Instruments Inc

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S-25A640B Datasheet PDF : 32 Pages
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Rev.3.2_01
FOR AUTOMOTIVE 125°C OPERATION SPI SERIAL E2PROM
S-25A640A, S-25A640B
Absolute Maximum Ratings
Table 6
Item
Symbol
Absolute Maximum Rating
S-25A640A
S-25A640B
Unit
Power supply voltage
Input voltage
Output voltage
Operation ambient temperature
Storage temperature
VCC
VIN
VOUT
Topr
Tstg
0.3 to +7.0
0.3 to +6.5
V
0.3 to +7.0
0.3 to +6.5
V
0.3 to VCC + 0.3
V
40 to +125
°C
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 conditions.
Recommended Operating Conditions
Table 7
Item
Symbol
Condition
Power supply voltage
VCC
High level input voltage
VIH
Low level input voltage
VIL
Read
Write
VCC = 2.5 V to 5.5 V
VCC = 2.5 V to 5.5 V
Ta = 40°C to +125°C
Min.
Max.
Unit
2.5
5.5
V
2.5
5.5
V
0.7 × VCC
VCC + 1.0
V
0.3
0.3 × VCC
V
Pin Capacitance
Table 8
Item
Input capacitance
Output capacitance
Symbol
CIN
COUT
Condition
VIN = 0 V ( CS , SCK, SI, WP , HOLD )
VOUT = 0 V (SO)
(Ta = +25°C, f = 1.0 MHz, VCC = 5.0 V)
Min.
Max.
Unit
8
pF
10
pF
Endurance
1. S-25A640A
Item
Symbol
Endurance
NW
*1. For each address (Word: 8-bit)
Table 9
Operation Ambient Temperature
Ta = 40°C to +85°C
Ta = 40°C to +105°C
Ta = 40°C to +125°C
Min.
106
8 × 105
5 × 105
Max.
Unit
cycle / word*1
cycle / word*1
cycle / word*1
2. S-25A640B
Item
Symbol
Endurance
NW
*1. For each address (Word: 8-bit)
Table 10
Operation Ambient Temperature
Ta = +25°C
Ta = 40°C to +85°C
Ta = 40°C to +105°C
Ta = 40°C to +125°C
Min.
106
7 × 105
5 × 105
3 × 105
Max.
Unit
cycle / word*1
cycle / word*1
cycle / word*1
cycle / word*1
Data Retention
Table 11
Item
Symbol
Operation Ambient Temperature
Min.
Max.
Unit
Data retention
Ta = +25°C
Ta = 40°C to +125°C
100
year
50
year
5

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