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INF8577N

Integral
Part Number INF8577N
Manufacturer Integral
Description LCD CONTROLLR
Published Jan 2, 2016
Detailed Description INF8577N LCD CONTROL IC WITH I2C INTERFACE Description Functions: • Direct and duplex LCD control modes. IC controls 32...
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INF8577N
INF8577N

Overview
INF8577N LCD CONTROL IC WITH I2C INTERFACE Description Functions: • Direct and duplex LCD control modes.
IC controls 32 LCD segments in direct mode and 64 segments in duplex mode; • Ensures interface of I2C bus interface; can be used as expander of I2C bus output 40 T amb= -10 to +70 °С Figure 1 - Package type Features: • Supply voltage 2.
5 to 6V; • Low power consumption; • Embedded oscillator for LCD control signals shaping; • Autoincremented data input; • Possibility to switch over display memory banks in direct control mode; • Possibility for cascading IC to increase number of controlled segment up to 256; • Blanking of display on supply reset.
PS3120 S31 S30 S29 S28 S27 S26 S25 S24 S23 S22 S21 S20 S19 S18 S17 S16 S15 S14 S13 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 40 SDA 39 SCL 38 Vs 37 A0/OS 36 A1 35 VDD 34 A2/BP 33 BP1 32 S1 31 S2 30 S3 29 S4 28 S5 27 S6 26 S7 25 S8 24 S9 23 S10 22 S11 21 S12 Figure 2 - Pinout Operation temperature range Operation temperature range from minus 40 to plus 85 °С.
1 INF8577N Table 1 - Absolute maximum and maximum conditions Parameter, unit Supply voltage, V Input voltage, V Constant component of LCD driver, mV Consumption current, mA Input current, mA Output current, mA Reset forming voltage when switching on the supply, V Low input voltage on output A0/OSC, V High input voltage on output A0/OSC, V Low input voltage on output A1, V High input voltage on output A1, V Low input voltage on output A2/BP2, V High input voltage on output A2/BP2, V Low input voltage on outputs SCL, SDA, V High input voltage on outputs SCL, SDA, V Symbol VDD V1 VBP IDD,ISS II IO VPOR VIL1 VIH1 VIL2 VIH2 VIL3 VIH3 VIL4 VIH4 Maximum ratings min 2.
5 0 -20 max 6.
0 VDD 20 Absolute maximum ratings min max -0.
5 8.
0 -0.
5 VDD+0.
5 - 0.
125 --- 2.
0 0 0.
05 VDD-0.
5 0 VDD 0.
3 VDD -50 -20 -25 - - - - 50 20 25 - - - - 0.
7 VDD 0 VDD 0.
10 VDD0.
10 0 0.
7 VDD VDD 0.
3 VDD 6.
0 - - Clock signal frequency, kHz fSCL - 100 - - 2 INF8577N ...


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