PIC16LC925T-I/CL View Datasheet(PDF) - Microchip Technology
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PIC16LC925T-I/CL Datasheet PDF : 182 Pages
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FIGURE 15-3:
LCD VOLTAGE WAVEFORM
D223
D224
VLCD3
VLCD2
VLCD1
VSS
PIC16C925/926
TABLE 15-1: LCD MODULE ELECTRICAL SPECIFICATIONS
Parameter
No.
Symbol
Characteristic
Min
Typ†
Max
Units
Conditions
D200
VLCD3 LCD Voltage on pin
VDD - 0.3
—
Vss + 7.0
V
VLCD3
D201
VLCD2 LCD Voltage on pin
Vss - 0.3
—
VLCD3
V
VLCD2
D202
VLCD1 LCD Voltage on pin
Vss - 0.3
—
VLCD3
V
VLCD1
D220
VOH
Output High
Voltage
Max VLCDN - 0.1 —
Max VLCDN
V COM outputs IOH = 25 µA
SEG outputs IOH = 3 µA
D221
VOL
Output Low Voltage
Min VLCDN
— Min VLCDN + 0.1 V COM outputs IOL = 25 µA
SEG outputs IOL = 3 µA
D222
FLCDRC LCDRC Oscillator
Frequency
5
14
22
kHz VDD = 5V, -40°C to +85°C
D223
D224
TrLCD Output Rise Time
—
—
200
µs COM outputs Cload = 5,000 pF
SEG outputs Cload = 500 pF
VDD = 5.0V, T = 25°C
TfLCD
Output Fall Time(1)
TrLCD - 0.05
—
TrLCD + 0.05
µs COM outputs Cload = 5,000 pF
TrLCD
TrLCD
SEG outputs Cload = 500 pF
VDD = 5.0V, T = 25°C
† Data in “Typ” column is at 5V, 25°C unless otherwise stated. These parameters are for design guidance only and are not
tested.
Note 1: 0 ohm source impedance at VLCD.
TABLE 15-2: VLCD CHARGE PUMP ELECTRICAL SPECIFICATIONS
Parameter
No.
Symbol
Characteristic
Min Typ Max Units Conditions
D250
IVADJ
VLCDADJ Regulated Current Output —
D252
∆ IVADJ/∆ VDD VLCDADJ Current VDD Rejection
—
D265
VVADJ
VLCDADJ Voltage PIC16C925/926 1.0
Limits
PIC16LC925/926 1.0
Note 1: For design guidance only.
10
—
µA
—
0.1
µA/V
—
2.3
V
VDD - 0.7V V
VDD < 3V
2001 Microchip Technology Inc.
Preliminary
DS39544A-page 145
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