LC7986C Просмотр технического описания (PDF) - SANYO -> Panasonic

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LC7986C

LCD Controller/Driver

SANYO -> Panasonic 

LC7986C

Parameter

Symbol

Conditions

min

Internal oscillator operating frequency

fOSC

Using Rf = 56kΩ ± 3%

220

Using built-in Vf

–

RC oscillator built-in resistance

Vf

OSCO to OSCR

–

LCD display voltage

Voltage divider step resistance

VLCD1

VDD − V5 (1/5 bias)

4.6

VLCD2

VDD − V5 (1/4 bias)

3.0

VR

Between V(n) and V(n+1)

–

Note: *1. VCOM is the voltage from VDD, V1, V4 and V5 to the LCD common drive pins OC1 to OC16.

Note: *2. VSEG is the voltage from VDD, V2, V3 and V5 to the LCD segment drive pins OS1 to OS80.

Ratings

typ

320

320

56

–

–

2.2

Unit

max

420

kHz

–

–

kΩ

6

V

6

V

–

kΩ

Switching Characteristics at Ta = −20 to +75°C, VSS = 0V, VDD = 5V ± 10%

Parameter

E cycle time

E high-level pulsewidth

E rise time

E fall time

RS and R/W to E setup time

E to RS and R/W address hold time

DB0 to DB7 to E data setup time

Write cycle E to DB0 to DB7 data hold

time

Read cycle E to data valid delay time

Read cycle E to DB0 to DB7 data hold

time

CP low-level pulsewidth

CP high-level pulsewidth

CP to LOAD setup time

D to CP data setup time

CP to D data hold time

LOAD to M delay time

Symbol

tECYC

tEW

tER

tEF

tSU

tAH

tDSU

tDHW

tDD

tDHR

tWL

tWH

tCSU

tDSU

tDH

tDM

Conditions

See measurement circuit.

Ratings

min

typ

1000

–

450

–

–

–

–

–

140

–

10

–

195

–

Unit

max

–

ns

–

ns

25

ns

25

ns

–

ns

–

ns

–

ns

10

–

–

ns

–

–

320

ns

20

–

–

ns

800

800

500

300

300

−1000

–

–

ns

–

–

ns

–

–

ns

–

–

ns

–

–

ns

–

1000

ns

Reset characteristics at Ta = −20 to +75°C

Parameter

VDD rise time

VDD off time

Symbol

tDDR

tDDOFF

Conditions

Ratings

min

typ

Unit

max

1

–

100

µs

1

–

–

ms

No. 4101—5/32

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