AK9822 Datasheet, PDF (12/17 Pages) Asahi Kasei Microsystems – 2K / 4Kbit EEPROM with 2ch 8bit D/A Converter

ASAHI KASEI
[AK9822/24]
„ DC characteristics
Electrical characteristics
(VCC=+1.8V∼5.5V, GND=0V, Ta=-40∼+85°C unless otherwise specified )
Parameter
Symbol
Conditions
min
max
Operating
IDD1 Normal mode
5.5
power consumption
WRITE, 1/tSKP=2MHz
IDD2 Normal mode
2.3
READ, 1/tSKP=2MHz
IDD3 Power down mode
0.75
(note1),(note3)
READ, 1/tSKP=2MHz
Standby (note2),(note3) IDD4 Power down mode
1.0
power consumption
standby(CS="H")
Input high voltage
CS,SK pin
VIH1 2.5V≤VCC≤5.5V
VIH2 1.8V≤VCC<2.5V
0.8ÕVCC
0.9ÕVCC
Input high voltage
DI pin
VIH3 2.5V≤VCC≤5.5V
VIH4 _1.8V≤_VCC<2.5V
0.7ÕVCC
0.8ÕVCC
Input low voltage
CS,SK pin
VIL1 2.5V≤VCC≤5.5V
VIL2 _1.8V≤_VCC<2.5V
0.2ÕVCC
0.1ÕVCC
Input low voltage
DI pin
VIL3
VIL4
0.3ÕVCC
0.2ÕVCC
Output high voltage VOH1 (note4),IOH=-50uA
VCC-0.3
VOH2 (note5),IOH=-50uA
VCC-0.3
Output low voltage
VOL1 (note4),IOL=1.0mA
0.4
VOL2 (note5),IOL=0.1mA
0.4
Input leakage current
ILI VCC=5.5V,VIN=VCC
‘1.0
3 state
IOZ VCC=5.5V,DO=VCC
‘1.0
leakage current
CS="H"
note1. VCC=5.5V,VIN=VIH/VIL,DO=open
note2. VCC=5.5V,SK/DI=VCC/GND,DO=open
note3. Please refer to the "Power down function" regarding the power down mode.
note4. 2.5V≤VCC≤5.5V
note5. 1.8V≤VCC<2.5V
Units
mA
mA
mA
uA
V
V
V
V
V
V
V
V
V
V
uA
uA
DAD01E-00
- 12 -
1999/05