CMOS 4-bit 1-chip MICROCOMPUTER
S-1460BF
4
Seiko Instruments Inc.
n
n DC Electrical Characteristics
V
CC=3 V
V
CC=5 V
Parameter
Symbol Conditions(applicable terminals)
Min.
Typ.
Max.
Unit
Operating current consumption
ICCO
fOSC=1 MHz, no load
0.25
0.7
mA
Standby current consumption
ICCS
OFF mode (When low voltage
detection is used)
0.5
2.0
A
Standby current consumption
ICCS
OFF mode (When low voltage
detection is not used)
0.1
2.0
A
High level input voltage
VIH
0.8
×V
CC
V
Low level input voltage
VIL
0.2
×V
CC
V
High level input leakage current
ILH
All input pins*
VIN=VCC
1
A
Low level input leakage current
ILL
Without pull-up resistor
P00 to P03, VIN=VSS
-1
A
High level input current
IIH
RESET, VIN=VCC-0.3V
-9
-0.9
A
Low level input current 1
IIL1
With pull-up resistor, P00 to P03,
P10 to P13, P20 to P23, VIN=VSS
-90
-30
-10
A
Low level input current 2
IIL2
RESET, VIN=VSS
-6
-2
-0.6
A
Low level input current 3
IIL3
TEST, VIN=VSS
-30
-10
-3
A
High level output current 1
IOH1
RMO, VOUT=2.1 V
-5.0
mA
High level output current 2
IOH2
P00 to P03, P30 to P33, P40 to P43,
VOUT=2.6 V
-100
A
Low level output current 1
IOL1
RMO, VOUT=0.4 V
250
A
Low level output current 2
IOL2
P00 to P03, P30 to P33, P40 to P43,
VOUT=0.4 V
1.0
mA
Schmitt hysteresis width
VWD
1.0
V
Parameter
Symbol Conditions(applicable terminals)
Min.
Typ.
Max.
Unit
Operating current consumption
ICCO
fOSC=1 MHz, no load
0.6
1.2
mA
Standby current consumption
ICCS
OFF mode
0.1
5.0
A
High level input voltage
VIH
0.8
×V
CC
V
Low level input voltage
VIL
0.2
×V
CC
V
High level input leakage current
ILH
All input pins*
VIN=VCC
1
A
Low level input leakage current
ILL
Without pull-up resistor
P00 to P03, VIN=VSS
-1
A
High level input current
IIH
RESET, VIN=VCC-0.3V
-15
-1.5
A
Low level input current 1
IIL1
With pull-up resistor, P00 to P03,
P10 to P13, P20 to P23, VIN=VSS
-230
-90
-30
A
Low level input current 2
IIL2
RESET, VIN=VSS
-15
-6
-2.4
A
Low level input current 3
IIL3
TEST, VIN=VSS
-75
-30
-12
A
High level output current 1
IOH1
RMO, VOUT=4.1 V
-7
mA
High level output current 2
IOH2
P00 to P03, P30 to P33, P40 to P43,
VOUT=4.6 V
-250
A
Low level output current 1
IOL1
RMO, VOUT=0.4 V
450
A
Low level output current 2
IOL2
P00 to P03, P30 to P33, P40 to P43,
VOUT=0.4 V
1.5
mA
Schmitt hysteresis width
VWD
2.2
V
* TEST, RESET, P00 to P03, P10 to P13, P20 to P23
(Ta=-10
°C to +70 °C)
(Ta=-10
°C to +70 °C)
* TEST, RESET, P00 to P03, P10 to P13, P20 to P23