LC651431L View Datasheet(PDF) - SANYO -> Panasonic

Part Name

Description

Manufacturer

LC651431L

Four-Bit CMOS Microcontrollers for Small-Scale Control Applications

SANYO -> Panasonic 

Continued from preceding page.

LC651432N/F/L, 651431N/F/L

Parameter

Low-level input voltage

Operating frequency

(cycle time)

External clock conditions

Frequency

Pulse width

Rise and fall time

Recommended oscillator

circuit constants

Two-pin RC oscillator

Ceramic oscillator*4

Symbol

Conditions

Applicable pins

With the n-channel output

VIL(1) transistors off

Port

VDD = 4 to 6 V

With the n-channel output

VIL(2) transistors off

Port

3 to 6 V

VIL(3)

VIL(4)

With the n-channel output

transistors off

VDD = 4 to 6 V

With the n-channel output

transistors off

3 to 6 V

INT, SCK, SI

INT, SCK, SI

VIL(5)

VIL(6)

External clock specifications

VDD = 4 to 6 V

External clock specifications

3 to 6 V

OSC1

OSC1

VIL(7)

VIL(8)

VIL(9)

VIL(10)

fop (Tcyc)

VDD = 4 to 6 V

3 to 6 V

TEST

TEST

VDD = 4 to 6 V

3 to 6 V

RES

RES

A clock frequency of up to

4.33 MHz may be used when

either the divide-by-three

circuit or the divide-by-four

circuit is used.

See figure 1.

text The divide-by-three circuit or

the divide-by-four circuit

textH, textL must be used if the clock

frequency exceeds 1.444

textR, textF MHz.

OSC1

OSC1

OSC1

Cext

Rext

Cext

Rext

See figure 2.

See figure 2.

See figure 3.

OSC1, OSC2

OSC1, OSC2

Ratings

Unit

min

typ

max

VSS

0.3 VDD

V

VSS

0.25 VDD

V

VSS

0.25 VDD

V

VSS

0.2 VDD

V

VSS

0.25 VDD

V

VSS

0.2 VDD

V

VSS

0.3 VDD

V

VSS

0.25 VDD

V

VSS

0.25 VDD

V

VSS

0.2 VDD

V

200

1444 kHz

(20)

(2.77) (µs)

200

4330 kHz

69

ns

50

ns

220 ± 5%

pF

12 ±1%

kΩ

220 ±5%

pF

6.8 ±1%

kΩ

See table 1.

No. 6498-13/39

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