COP472WM-3/NOPB National Semiconductor, COP472WM-3/NOPB Datasheet - Page 4

• Manufacturer Part Number: COP472WM-3/NOPB
• Description: IC LCD DISPLAY DRIVER 20-SOIC
• Manufacturer: National Semiconductor

Specifications of COP472WM-3/NOPB

• Display Type: LCD
• Configuration: 36 Segment
• Interface: Serial
• Digits Or Characters: 4.5 Digits
• Current - Supply: 250µA
• Voltage - Supply: 3 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 20-SOIC (7.5mm Width)
• Operating Supply Voltage (typ): 3.3/5V
• Number Of Digits: 4.5
• Number Of Segments: 36
• Operating Temperature (min): 0C
• Operating Temperature (max): 70C
• Operating Temperature Classification: Commercial
• Package Type: SOIC W
• Pin Count: 20
• Mounting: Surface Mount
• Frequency (max): 250KHz
• Operating Supply Voltage (min): 3V
• Operating Supply Voltage (max): 5.5V
• No. Of Digits / Alpha: 4-1/2
• No. Of Segments: 36
• Meter Display Type: LCD
• Interface Type: Triplexed
• Supply Voltage Range: 3V To 5.5V
• Driver Case Style: SOIC
• No. Of Pins: 20
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: COP472WM-3

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Order Number COP472MW-3 or COP472N-3
See NS Package Number M20A or N20A
Dual-In-Line Package
Top View
FIGURE 5 Typical Display Internal Connections
FIGURE 4 Backplane and Segment Waveforms
FIGURE 3 Serial Load Timing Diagram
FIGURE 2 Connection Diagram
TL DD 6932– 2
Epson LD-370
4
CS
V
GND
DI
SK
BP
BP
BP
SA1 E SC4
DD
A
B
C
Pin
Chip select
Power supply (display voltage)
Ground
Serial data input
Serial clock input
Display backplane A (or oscillator in)
Display backplane B
Display backplane C (or oscillator out)
12 multiplexed outputs
TL DD 6932 – 3
TL DD 6932– 5
TL DD 6932– 4
Description