BU9831 Datasheet, PDF (3/13 Pages) Rohm – Non-volatile electronic potentiometer

Memory ICs
•^{Input circuits}
RESET int.
CS
CS int.
SK
BU9831 / BU9831F
•^{Output circuits}
DIO
OE int.
CS int.
•^{Electrical characteristics (unless otherwise noted, Ta = – 20 to + 85°C, VCC = 5V ± 10%)}
Parameter
Symbol Min. Typ. Max. Unit
Conditions
Measurement
Circuit
Input low level voltage
VIL
—
—
0.2 ×
VCC
V
CS, SK, DIO pin
Input high level voltage
VIH
0.8 ×
VCC
—
—
V
CS, SK, DIO pin
Output low level voltage
VOL
0
—
0.4
V
IOL = 2.1mA
—
—
Fig.1
Output high level voltage
VOH
VCC –
0.4
—
VCC
V
IOH = – 0.4mA
Fig.6
Input leakage current
ILI
–1
—
1
µA
VIN = 0 ~ VCC
Fig.3
Output leakage current
ILO
–1
—
1
µA
VOUT = 0 ~ VCC, CS = VCC
Fig.4
Operating current consumption ICC
—
Standby current
ISB
—
—
3
mA f = 1MHz, tE / W = 10ms (WRITE) Fig.5
—
200
µA CS, SK, DIO, VH, VL, VW = VCC
Fig.6
SK frequency
Total resistance
Wiper resistance
fSK
—
—
1
MHz
RT
—
100
—
kΩ
If = 10µA
RW
—
0.5
1
kΩ
IW = – 1mA
—
Fig.7
Fig.8
Resistance potential on High side VVH
0
—
VCC
V
—
Resistance potential on Low side VVL
0
—
VCC
V
—
3