LC877248A View Datasheet(PDF) - SANYO -> Panasonic

Part Name

Description

Manufacturer

LC877248A

8-Bit Single Chip Microcontroller with 64/56/48 KB ROM and 2048-Byte RAM On Chip

SANYO -> Panasonic 

LC877264A/56A/48A

2. Recommended Oerating Range at Ta=-30°C to +70°C, VSS1=VSS2=VSS3=0V

Parameter

Symbol

Pins

Conditions

Operating

VDD(1)

supply voltage

range

VDD(2)

Supply voltage

range in Hold

mode

Input high

voltage

VHD

VIH(1)

VIH(2)

VIH(3)

VIH(4)

VIH(5)

VDD1=VDD2=VDD3

VDD1

•Port 0, 3, 8

•Port A,B,C,D,E,F,L

•Port 1

•Port 71,72,73

•P70 port input/interrupt

P87 small signal input

Port 70

Watchdog timer

XT1, XT2, CF1, RES

0.294µs≤ tCYC ≤

200µs

0.735µs ≤ tCYC ≤

200µs

Keep RAM and

register data in

HOLD mode.

Output disable

Output disable

Output disable

Output disable

Input low

voltage

VIL(1)

VIL(2)

VIL(3)

VIL(4)

VIL(5)

•Port 0, 3, 8

Output disable

•Port A,B,C,D,E,F,L

•Port 1

Output disable

•Port 71,72,73

•P70 port input/interrupt

Port 87 small signal input Output disable

Port 70

Output disable

Watchdog timer

XT1,XT2,CF1, RES

Operation

cycle time

tCYC

External system FEXCF(1) CF1

clock

frequency

•CF2 open

•system clock

divider :1/1

•external clock

DUTY = 50±5%

•CF2 open

•system clock

divider :1/2

Continued/

Ratings

unit

VDD[V] min. typ. max.

4.5

6.0

V

2.5

6.0

2.0

6.0

2.5–6.0

2.5-6.0

0.3VDD

+0.7

0.3VDD

+0.7

2.5-6.0 0.75VDD

2.5-6.0 0.9VDD

2.5-6.0 0.75VDD

2.5-6.0 VSS

2.5-6.0 VSS

2.5-6.0 VSS

2.5-6.0 VSS

2.5-6.0

4.5–6.0

2.5-6.0

4.5–6.0

VSS

0.294

0.735

0.1

VDD

VDD

VDD

VDD

VDD

0.15VDD

+0.4

0.1VDD

+0.4

0.25VDD

0.8VDD

-1.0

0.25VDD

200 µs

200

10 MHz

2.5-6.0 0.1

4

4.5–6.0 0.2

20

2.5-6.0 0.2

8

No.6719-12/24

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