NTE1197 Integrated Circuit OSC and 12–Stage Divider Description: The NTE1197 is an integrated circuit in a 9–Lead SIP type package consisting of a 12 stage frequency divider and an amplifier for use in crystal oscillator applications. This device is designed to operate with an input frequency of 10.24MHz. Available reference dividing ratios are 28, 210, 211 and 212. Absolute Maximum Ratings: (TA = +25°C unless otherwise specified) Supply Voltage, VDD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10V Input Voltage, VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 to VDD + 0.3V Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –30 to +75°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55 to +125°C Electrical Characteristics: (TA = –30° to 75°C unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Unit 4.5 – 8.0 V – – 7.0 mA Operating Supply Voltage VDD X’ tal = 10.24MHz Operating Current IDD X’tal = 10.24MHz VDD= 7.5V Output Voltage High Level VOH VDD = 7.5V, IOL = 50µA, Pin4, Pin6, Pin7, Pin8 7.3 – – V Output Voltage Low Level VOL VDD = 7.5V, IOH = –50µA, Pin4, Pin6, Pin7, Pin8 – – 0.2 V Maximum Clock Frequency fMAX VDD = 7.5V 10.24 – – MHz PIN Output Voltage VOUT VDD = 7.5V, CL = 15pF, X’tal = 10.24MHz 3.5 – – VP–P Pin Connection Diagram (Front View) 9 GND 8 Q8 7 Q10 6 Q11 5 VDD 4 Q12 3 XT 2 XT 1 XTOUT .126 (3.2) .323 (8.2) Max .100 (2.54) .906 (23.0) Max 1 9 .020 (0.50) .800 (20.3) .099 (2.5) Min