
CMOS 4-bit 1-chip MICROCOMPUTER
S-1342AF/13L42AF
4
Seiko Instruments Inc.
n DC Characteristics
1. S-1342AF (VDD=3 V)
2. S-1342AF (VDD=5 V)
Item
Symbol
Conditions
Min.
Typ.
Max.
Unit
Operating current consumption
ICCO
System clock : 455 KHz
0.12
0.25
mA
Standby current consumption
ICCS
At STOP mode
0.4
1
A
High level input voltage
VIH
0.8
×V
DD
V
Low level input voltage
VIL
0.2
×V
DD
V
High level input leakage current
IIH
All input terminals*
VIN=VDD
1
A
Low level input leakage current
IIL
Without pull-up resistor,
VIN=VSS
-1
A
RESET terminal:
When active high
VIN=VDD
0.6
2
6
A
RESET terminal:
When active low
VIN=VDD-0.3 V
-9
-0.9
A
Low Ievel input current 1
IIL1
With pull-up resistor,
VIN=VSS
-90
-30
-10
A
RESET terminal:
When active high
VIN=VSS+0.3 V
0.9
9
A
RESET terminal:
When active low
VIN=VSS
-6
-2
-0.6
A
High level output current 1
IOH1
RMO terminal, VOUT=2.1 V
-5.0
mA
High level output current 2
IOH2
Output port, VOUT=2.6 V
-100
A
Low level output current 1
IOL1
RMO terminal, VOUT=0.4 V
250
A
Low level output current 2
IOL2
Output port, VOUT=0.4 V
1.0
mA
Schmitt hysteresis width
VWD
0.7
V
Item
Symbol
Conditions
Min.
Typ.
Max.
Unit
Operating current consumption
ICCO
System clock : 455 KHz
0.4
0.7
mA
Standby current consumption
ICCS
At STOP mode
0.5
5
A
High level input voltage
VIH
0.8
×V
DD
V
Low level input voltage
VIL
0.2
×V
DD
V
High level input leakage current
IIH
All input terminals*
VIN=VDD
1
A
Low level input leakage current
IIL
Without pull-up resistor,
VIN=VSS
-1
A
RESET terminal:
When active high
VIN=VDD
2
7
20
A
RESET terminal:
When active low
VIN=VDD-0.3 V
-13.5
-1.5
A
Low Ievel input current 1
IIL1
With pull-up resistor,
VIN=VSS
-270
-90
-30
A
RESET terminal:
When active high
VIN=VSS+0.3 V
1.5
15
A
RESET terminal:
When active low
VIN=VSS
-20
-6.5
-2
A
High level output current 1
IOH1
RMO terminal, VOUT=4.1 V
-8.0
mA
High level output current 2
IOH2
Output port, VOUT=4.6 V
-250
A
Low level output current 1
IOL1
RMO terminal, VOUT=0.4 V
500
A
Low level output current 2
IOL2
Output port, VOUT=0.4 V
2.0
mA
Schmitt hysteresis width
VWD
1.6
V
Table 4
(Ta=-10
°C to +70°C, V
DD=3.0 V)
High Ievel input current
IIH
Low Ievel input current 2
IIL2
Table 5
(Ta=-10
°C to +70°C, V
DD=5.0 V)
High Ievel input current
IIH
Low Ievel input current 2
IIL2