Data retention waveform
• Low supply voltage data retention waveform (1) (CE1 control)
tCDRS
Data retention mode
tR
VCC
4.5V
2.2V
VDR
CE1
GND
CE1 ≥ VCC – 0.2V
• Low supply voltage data retention waveform (2) (CE2 control)
VCC
4.5V
CE2
VDR
Data retention mode
tCDRS
tR
0.4V
GND
CE2 ≤ 0.2V
CXK582000TM/YM/M
Data Retention Characteristics
Item
Symbol
Test conditions
Min.
Data retention voltage VDR ∗
2.0
0 to +70°C
—
Data retention current
ICCDR1 VCC = 3.0V∗1
0 to +40°C
—
+25°C
—
ICCDR2 VCC = 2.0 to 5.5V∗
—
Data retention setup time tCDRS Chip disable to data retention mode
0
Recovery time
tR
5
∗ CE1 ≥ Vcc – 0.2V, CE2 ≥ Vcc – 0.2V (CE1 control) or CE2 ≤ 0.2V (CE2 control)
(Ta = 0 to +70°C)
Typ. Max. Unit
—
5.5 V
—
24
—
4.8 µA
0.8
2.4
1.4
40 µA
—
— ns
—
— ms
–9–