PCF1175C - NXP

PCF1175C 4-digit duplex LCD car clock

plastic small outline package; 28 leads; body width 7.5 mm(1) chip-on-film frame carrier GENERAL DESCRIPTION PCF1175C The PCF1175C is a single chip, 4.19 MHz CMOS car clock circuit providing hours, minutes and seconds functions. It is designed to drive a 4-digit duplex liquid crystal display (LCD). Two external single-pole, single-throw switches will accomp.

Features

• Internal voltage regulator is electrically programmable for various LCD voltages
• Time calibration is electrically programmable (no trimming capacitor required)
• LCD voltage adjusts with temperature for good contrast
• 4.19 MHz oscillator
• 12-hour or 24-hour mode
• Operating ambient temperature: −40 to +85 °C
• 28-lead plastic SMD (SO28)
• 1 Hz set mode. ORDERING INFORMATION TYPE NUMBER PCF1175CT PCF1175CU PCF1175CU/10 Notes 1. See Fig.1 and Chapter “Package outline” for pin layout and package details. 2. See Chapter “Chip dimensions and bonding pad locations” for pad layout and package d.