S-25A640A Datasheet, PDF (5/32 Pages) Seiko Instruments Inc – Function to prevent malfunction by monitoring clock pulse

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