TECHNICAL DATA AUTOMOTIVE DIGITAL CLOCK IC IN7100MQ DESCRIPTION IN7100 is automotive digital clock, CMOS LSI. It drives fluorescent indicator panel directly. It can be driven by a 4.194304 MHz crystal oscillator or an external clock signal (1024 Hz). It has 4-ways display brightness control function and its display format is 12 hours. FEATURES 4.194304 MHz crystal oscillator 4-ways display brightness control (Segment signal duty: 1, 1/4, 1/8, 1/16) Hours and Minutes Setting 30 seconds auto correction 1024 Hz external clock drive 1024 Hz SIGNAL output Segment Output: P-channel open drain 44 MQFP package ABSOLUTE MAXIMUM RATINGS (Ta = 25 C) Parameter Symbol Specification Unit Power Supply Voltage VDD - VSS 0.5 ~ + 8.0 V VIN VSS 0.3 ~ VDD + 0.3 V VOUT VDD 30 ~ VDD + 0.3 V Ta 40 ~ + 85 C TSTG 55 ~ + 125 C Input Voltage Output Voltage Operating Temperature Storage Temperature 2016, April, Rev. 01 IN7100MQ DC CHARACTERISTICS (Ta=25C, RH70%, CD=CG=15pF, Xtal=4.194304MHz) Characteristic Symbol Test Conditions Power Supply Voltage VDD-VSS Power Supply Current IDD No output loads, VDD=6V Leakage Current IOFF VDD-VSS =5.0V Min Typ Max Unit 3.0 — 7.0 V — 0.3 0.5 mA 5.0 A High Level Output Current (1) IOH1 VDD-VSS=3.0V, VDD-VOUT=0.5V 300 — 1500 A High Level Output Current (2) IOH2 VDD-VSS=3.0V, VDD-VOUT=0.5V 500 — 1800 A IOL VDD-VSS=3.0V, VOUT -VSS=0.5V 500 — — A Low Level Output Current (3) High Level Input Current (4) IIH1 VIN=VDD=6V — 15 30 A High Level Input Current (5) IIH2 VIN=VDD=6V — 120 600 A 40 50 60 % External Clock Duty CLD OSC. Feedback Resistance RF VDD=6V 3 M (VDD-VSS=3.0~7.0V, Ta = 40 ~ +85C, RH70%, CD=CG=15pF, Xtal=4.194304MHz) Characteristic Symbol Power Supply Current Test Conditions IDD No output loads Min Typ Max Unit — — 0.5 mA High Level Output Current (1) IOH1 VDD-VSS=3.0V, VDD-VOUT=0.5V 250 — — A High Level Output Current (2) IOH2 VDD-VSS=3.0V, VDD-VOUT=0.5V 400 — — A (1) (2) (3) (4) (5) for segment other than bc4, ad2, 1Hz for segment bc4, ad2, 1Hz and CLOUT for CLOUT for DS1, DS2, RES, HS, MS and BLK for T1, T2, T3 and AC 2016, April, Rev. 01 IN7100MQ PIN CONFIGURATION MQFP-44 2016, April, Rev. 01 IN7100MQ BLOCK DIAGRAM CLOUT CLK OO OI T1 T2 T3 Scheme of external frequency signal Clock oscillator HS MS BLK DS2 Divider : 1024 Second counter Minute counter Test Signal decoder RES DS1 Divider : 4096 Time correction scheme Hour counter Decoder “minutes” Output interface bc4 g3 e3 d3 c3 g2 e2 c2 g1 e1 d1 c1 b1 a1 f1 b2 ad2 f2 1HZ b3 a3 Decoder “hours” Brightness indicator control decoder f3 AC 2016, April, Rev. 01 IN7100MQ APPLICATION CIRCUIT 2016, April, Rev. 01 IN7100MQ APPLICATION CIRCUIT (for EMI enhancement) 2016, April, Rev. 01 IN7100MQ “Keeping Time” Application BAT1 BAT1 C1 C2 BAT1 C3 R3-2 XT BAT1 Osc IN BAT1 C7 EC10 R5 C4 EC1 ILL(+) ZD1 40 VDD D2 R4 19 2 21 22 D5 15 GRD R3-1 OSC OUT C6 D1 4 3 GRD BAT1 D1 B+ c4/b4 AC D3 ACC 20 C8 26 38 ZD3 C11 IGN 39 17 3 2 R1 T2 T3 CLIN DS1 DS1 BLK R7 VFD R8-2 PAB(-) T1 SW1 23 C9 SET 37 D4 ZD2 R8-1 SW2 SW3 30 D23 24 f3 HOU F- GND F+ R8 1 VCC 25 MIN FIP 1 IN7100 PART LIST S/No IC1 VFD XT C1 C2 C3 EC10 C4 C11 C6~9 R1 R2 R3-1~2 R4 R5 R6 R7 R8-1~2 ZD1 ZD2 ZD3 SW1~3 D1~4 D5 CON1 PART IN7100 SVC-01MS01 4194304hz 10pF 15pF 1~12pF ADJ 22uF, 10V 104 104 104 68k,1/4w 560, 1/4W 100k, 1/8W 800k, 1/8W 130, 2W 130, 2W 56, 1/4W 1N4735A 1N4732A 1N4729A Switch(THH-10910) 1N4007 1N4007 Connector(5566-05A) Q’NTY 1 1 1 1 1 1 1 1 1 4 1 2 1 1 1 1 2 1 1 1 3 4 1 1 2016, April, Rev. 01 16 IN7100MQ PIN DESCRIPTION 2016, April, Rev. 01 IN7100MQ INTERNAL STATE pull down: BLK, DS1, DS2, AC, RES, HS, MS, TE1, TE2, TE3 P-ch OPEN DRAIN: bc4, g3, e3, d3, c3, g2, e2, c2, g1, e1, d1, c1, b1, a1, f1, b2, ad2, f2, 1Hz, b3, a3, f3 Package Dimension MQFP-44 2016, April, Rev. 01