S-25A640A Datasheet, PDF (6/32 Pages) Seiko Instruments Inc – Function to prevent malfunction by monitoring clock pulse

FOR AUTOMOTIVE 125°C OPERATION SPI SERIAL E²PROM
S-25A640A, S-25A640B
Rev.3.2_01
 DC Electrical Characteristics
1. S-25A640A
Item
Symbol Condition
Current
(read)
consumption
ICC1
No load at
SO pin
Table 12
Ta = −40°C to +125°C
VCC = 2.5 V to 3.0 V
fSCK = 2.5 MHz
VCC = 3.0 V to 4.5 V VCC = 4.5 V to 5.5 V
fSCK = 3.5 MHz
fSCK = 5.0 MHz
Unit
Min.
Max.
Min.
Max.
Min.
Max.
－
1.5
－
2.0
－
2.5
mA
Table 13
Item
Symbol
Condition
Ta = −40°C to +125°C
VCC = 2.5 V to 3.0 V
fSCK = 2.5 MHz
VCC = 3.0 V to 4.5 V VCC = 4.5 V to 5.5 V
fSCK = 3.5 MHz
fSCK = 5.0 MHz
Unit
Min.
Max.
Min.
Max.
Min.
Max.
Current
(write)
consumption
ICC2
No load at
SO pin
－
4.0
－
5.0
－
6.0
mA
Table 14
Ta = −40°C to +125°C
Item
Symbol
Condition
VCC = 2.5 V to 4.5 V
VCC = 4.5 V to 5.5 V Unit
Min.
Max.
Min.
Max.
CS = VCC,
Standby current
consumption
ISB
SO = Open
Other inputs are
－
8.0
－
10.0
μA
VCC or GND
Input leakage current ILI
VIN = GND to VCC
－
2.0
－
2.0
μA
Output leakage current ILO
VOUT = GND to VCC
－
2.0
－
2.0
μA
Low level
VOL1
IOL = 2.0 mA
－
－
－
0.4
V
output voltage
VOL2
IOL = 1.5 mA
－
0.4
－
0.4
V
High level
VOH1
IOH = −2.0 mA
－
－
0.8 × VCC
－
V
output voltage
VOH2
IOH = −0.4 mA
0.8 × VCC
－
0.8 × VCC
－
V
6