LC87F7LC8A Datasheet, PDF (14/25 Pages) Sanyo Semicon Device – CMOS IC FROM 128K byte, RAM 4096 byte on-chip 8-bit 1-chip Microcontroller

LC87F7LC8A
Continued from preceding page.
Parameter
Symbol
Pin/Remarks
Conditions
Oscillation
frequency range
(Note 2-3)
FmCF(1)
FmCF(2)
CF1, CF2
CF1, CF2
• 12MHz ceramic oscillation
• See Fig. 1.
• 8MHz ceramic oscillation
• See Fig. 1.
FmCF(3)
CF1, CF2
• 4MHz ceramic oscillation
• See Fig. 1.
FmRC
Internal RC oscillation
FmVMRC(1)
• Frequency variable RC
source oscillation
• When
VMRAJ2 to 0=4,
VMFAJ2 to 0=0,
VMSL4M=0
FmVMRC(2)
• Frequency variable RC
source oscillation
• When
VMRAJ2 to 0=4,
VMFAJ2 to 0=0,
VMSL4M=1
FsX’tal
XT1, XT2
• 32.768kHz crystal oscillation
• See Fig. 2.
Frequency
OpVMRC(1)
When VMSL4M=0
variable RC
oscillation
OpVMRC(2)
When VMSL4M=1
usable range
Frequency
VmADJ(1)
Each step of VMRAJn
variable RC
(Wide range)
oscillation
VmADJ(2)
Each step of VMFAJn
adjustment
(Small range)
range
Note 2-3: See Tables 1 and 2 for the oscillation constants.
VDD[V]
3.0 to 5.5
2.5 to 5.5
2.2 to 5.5
2.2 to 5.5
2.2 to 5.5
2.2 to 5.5
2.2 to 5.5
2.2 to 5.5
2.2 to 5.5
2.2 to 5.5
2.2 to 5.5
Specification
min
typ
max
unit
12
8
4
0.3
1.0
2.0
MHz
10
4
32.768
8
10
3.5
4
8
24
1
4
kHz
12
MHz
4.5
64
%
8
Electrical Characteristics at Ta = -20°C to +70°C, VSS1 = VSS2= VSS3= 0V
Parameter
High level input
current
Low level input
current
Symbol
Pin/Remarks
Conditions
IIH(1)
IIH(2)
IIH(3)
IIH(4)
IIH(5)
IIL(1)
IIL(2)
IIL(3)
IIL(4)
IIL(5)
Ports 0, 1, 3, 7, 8
Ports A, B, C, D, E,
F
Port L
RES
XT1, XT2
CF1
P87 small signal
input side
Ports 0, 1, 3, 7, 8
Ports A, B, C, D, E,
F
Port L
RES
XT1, XT2
CF1
P87 small signal
input side
• Output disabled
• Pull-up resistor off
• VIN=VDD (Including output Tr's
off leakage current)
VIN=VDD
• For input port specification
• VIN=VDD
VIN=VDD
VIN=VBIS+0.5V
(VBIS: Bias voltage)
• Output disabled
• Pull-up resistor off
• VIN=VSS (Including output Tr's
off leakage current)
VIN=VSS
• For input port specification
• VIN=VSS
VIN=VSS
VIN=VBIS-0.5V
(VBIS: Bias voltage)
VDD[V]
2.2 to 5.5
2.2 to 5.5
2.2 to 5.5
2.2 to 5.5
4.5 to 5.5
2.2 to 4.5
2.2 to 5.5
2.2 to 5.5
2.2 to 5.5
2.2 to 5.5
4.5 to 5.5
2.2 to 4.5
Specification
min
typ
max unit
1
4.2
8.5
1.5
5.5
-1
1
1
15
15
10
μA
-1
-1
-15
-15
-8.5
-4.2
-10
-5.5
-1.5
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No.A0835-14/25