PCF1178CT,112 NXP Semiconductors, PCF1178CT,112 Datasheet - Page 5

• Manufacturer Part Number: PCF1178CT,112
• Description: IC LCD CAR CLOCK 4DIGIT 28SOIC
• Manufacturer: NXP Semiconductors

Specifications of PCF1178CT,112

• Package / Case: 28-SOIC (7.5mm Width)
• Display Type: LCD
• Configuration: 7 Segment
• Digits Or Characters: 4 Digits
• Current - Supply: 950µA
• Voltage - Supply: 3 V ~ 6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Number Of Digits: 4
• Maximum Clock Frequency: 4.19 MHz
• Operating Supply Voltage: 3 V to 6 V
• Maximum Power Dissipation: + 85 C
• Maximum Operating Temperature: + 85 C
• Maximum Supply Current: 3 mA
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Interface: -
• Lead Free Status / Rohs Status: Details
• Other names: 935006010112; PCF1178CTD; PCF1178CTD

Philips Semiconductors
LCD voltage (see Fig.5)
The adjustable voltage regulator controls the supply
voltage (see Section “LCD voltage programming”) in
relation to temperature for good contrast, for example
when V
V
V
1997 Apr 16
DD
DD
4-digit duplex LCD car clock
(1) Programmed to 4.0 V at 25 C (value within the specified operating range).
(2) Programmed to 4.5 V at 25 C (value within the specified operating range).
(3) Programmed to 5.0 V at 25 C (value within the specified operating range).
= 3 to 4 V at +85 C.
= 5 to 6 V at 40 C.
DD
= 4.5 V at +25 C, then:
Fig.5 Regulated voltage as a function of temperature (typical).
V SS
(V)
8
6
4
2
0
40
(3)
(2)
(1)
0
5
40
80
T ( C)
MSA995
o
120
Product specification
PCF1178C