TECHNICAL DATA AUTOMOTIVE DIGITAL CLOCK IC IN7100 DESCRIPTION IN7100 is a 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. DIP-40 40 FEATURES 1 • 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 • 40 DIP package MS-011AC ABSOLUTE MAXIMUM RATINGS (Ta = 25 °C) Parameter Power Supply Voltage Symbol Specification Unit 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 DC CHARACTERISTICS (Ta=25°C, RH≤70%, CD=CG=15pF, Xtal=4.194304MHz) Characteristic Power Supply Voltage Power Supply Current Leakage Current High Level Output Current(1) High Level Output Current(2) Low Level Output Current(3) High Level Input Current(4) High Level Input Current(5) External Clock Duty OSC. Feedback Resistance Symbol VDD-VSS IDD IOFF IOH1 IOH2 IOL IIH1 IIH2 CLD RF Test Conditions No output loads, VDD=6V VDD-VSS =5.0V VDD-VSS=3.0V, VDD-VOUT=0.5V VDD-VSS=3.0V, VDD-VOUT=0.5V VDD-VSS=3.0V, VOUT –VSS=0.5V VIN=VDD=6V VIN=VDD=6V Min 3.0 — Typ — 0.3 300 500 500 — — 40 — — — 15 120 50 3 VDD=6V Max 7.0 0.5 5.0 1500 1800 — 30 600 60 Unit V mA µA µA µA µA µA µA % MΩ (VDD-VSS=3.0~7.0V, Ta = −40 ~ +85°C, RH≤70%, CD=CG=15pF, Xtal=4.194304MHz) 1 IN7100 Characteristic Power Supply Current High Level Output Current(1) High Level Output Current(2) (1) (2) (3) (4) (5) Symbol IDD IOH1 IOH2 Test Conditions No output loads VDD-VSS=3.0V, VDD-VOUT=0.5V VDD-VSS=3.0V, VDD-VOUT=0.5V Min — 250 400 Typ — — — Max 0.5 — — Unit mA µA µA 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 PIN CONFIGURATION BLK 40 1 VDD DS1 DS2 T3 T2 bc4 f3 g3 a3 b3 e3 d3 c3 1HZ g2 e2 f2 ad2 IN7100 c2 b2 f1 g1 e1 a1 d1 b1 T1 c1 MS CLK HS RES CLOUT AC VSS OI 20 21 OO 40-DIP MS-011AC 2 IN7100 Block Diagram 3 IN7100 Block Diagram (for die) 4 IN7100 APPLICATION CIRCUIT D4 IN4007 B C3 33uF R1 100 + ZD1 IN4737A Cx (1 pF) C4 10nF R8 24 0.5W C2 13 pF + EC1 1 uF R6 24 0.5W 4.194303 MHz 11V VDD OI ZD2 IN4732A C5 10uF C1 15 pF OO AC HS GRID MS + FIP RES R9 56 2W D2 IN4007 R2 1k FILAMENT SEGMENT R7 33k − BLK A + DS2 C7 33uF + T D1 IN4007 D3 IN4007 R10 18k DS1 T3 CLOUT 1024 Hz) T2 T1 CLK VSS 4.3~4.9V E ZD3 IN4732A 5 IN7100 PIN DESCRIPTION PIN # NAME Н I/O DESCRIPTION 1 BLK I BLANCKING INPUT; When this pin is low state, FIP is off and the operation of HS, MS, RES, switch is blocking, or vice versa 2 DS1 I 3 DS2 I 4 bc4 O SEGMENT OUTPUT 5 g3 O SEGMENT OUTPUT 6 e3 O SEGMENT OUTPUT 7 d3 O SEGMENT OUTPUT 8 c3 O SEGMENT OUTPUT 9 g2 O SEGMENT OUTPUT 10 e2 O SEGMENT OUTPUT 11 c2 O SEGMENT OUTPUT 12 g1 O SEGMENT OUTPUT 13 e1 O SEGMENT OUTPUT 14 d1 O SEGMENT OUTPUT 15 c1 O SEGMENT OUTPUT 16 -- -- NO CONNECTION DIMMER INPUT1, DIMMER INPUT2; This PIN control the brightness of FIP. Duty of segment output is determined depend on the level of DS1, DS2 | DS1 | VDD | VSS | VDD | VSS | | DS2 | VDD | VDD | VSS | VSS | | DUTY | 1/16 | 1/8 | 1/4 | 1 | 17 CLK I EXTERNAL CLOCK INPUT; External clock of 1024 Hz frequency can drive the IC operation 18 CLOUT O CLOCK OUTPUT; Clock of 1024 Hz frequency is generated when using 4.194304 MHz crystal 19 AC I CLEAR INPUT (power on reset input pin) 20 VSS I GROUND 21 OO O OSCILLATOR OUTPUT (4.194304 MHz crystal output) 22 OI I OSCILLATOR INPUT (4.194304 MHz crystal input) 23 RES I RES INPUT (±30 minutes auto correction Input) 24 HS I HOUR ADJUST INPUT 25 MS I MINUTE ADJUST INPUT 26 T1 I TEST PIN1 27 b1 O SEGMENT OUTPUT 28 a1 O SEGMENT OUTPUT 29 f1 O SEGMENT OUTPUT 30 b2 O SEGMENT OUTPUT 31 ad2 O SEGMENT OUTPUT 32 f2 O SEGMENT OUTPUT 33 1HZ O SEGMENT OUTPUT (colon) 34 -- -- NO CONNECTION 35 b3 O SEGMENT OUTPUT 36 a3 O SEGMENT OUTPUT 37 f3 O SEGMENT OUTPUT 38 T2 I TEST PIN2 39 T3 I TEST PIN3 40 VDD I POWER SUPPLY 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 6 IN7100 40-Pin Plastic Dual-in-Line A Aı A2 B B2 C D E E1 e e2 L α Dimension, mm max min min max min max min max min max min max min max min max nom nom min max min max 6.35 0.38 3.18 4.95 0.36 0.56 0.77 1.78 0.20 0.38 50.30 53.20 15.24 15.87 12.32 14.73 2.54 15.24 2.92 5.08 0º 10º 7