S-24CM01C Datasheet, PDF (4/32 Pages) Seiko Instruments Inc – Write protect function during the low power supply voltage

2-WIRE SERIAL E²PROM
S-24CM01C
Rev.2.0_02_S
 Absolute Maximum Ratings
Table 2
Item
Symbol
Absolute Maximum Ratings
Unit
Power supply voltage
VCC
−0.3 to +6.5
V
Input voltage
Output voltage
VIN
VOUT
−0.3 to +6.5
V
−0.3 to +6.5
V
Operation ambient temperature
Topr
Storage temperature
Tstg
−40 to +85
°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 3
Item
Power supply voltage
High level input voltage
Low level input voltage
Symbol
Condition
VCC
Read Operation
Write Operation
VIH
VCC = 1.8 V to 5.5 V
VCC = 1.6 V to 1.8 V
VIL
VCC = 1.8 V to 5.5 V
VCC = 1.6 V to 1.8 V
Ta = −40°C to +85°C
Min.
Max.
Unit
1.6
5.5
V
1.7
5.5
V
0.7 × VCC
5.5
V
0.8 × VCC
5.5
V
−0.3
0.3 × VCC
V
−0.3
0.2 × VCC
V
 Pin Capacitance
Item
Input capacitance
I/O capacitance
Table 4
Symbol
CIN
CI / O
Condition
VIN = 0 V (SCL, A1, A2, WP)
VI / O = 0 V (SDA)
(Ta = +25°C, f = 1.0 MHz, VCC = 5.0 V)
Min.
Max.
Unit
−
10
pF
−
10
pF
 Endurance
Table 5
Item
Symbol Operation Ambient Temperature
Min.
Endurance
NW
Ta = +25°C
10⁶
*1. For each unit (unit: the 4 bytes with the same address of P0, W15 to W2)
Max.
−
Unit
cycles / unit^*1
 Data Retention
Table 6
Item
Symbol Operation Ambient Temperature
Min.
Max.
Unit
Data retention
−
Ta = +25°C
100
−
year
4