ICM7170IPG Intersil Corporation, ICM7170IPG Datasheet
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ICM7170IPG
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ICM7170IPG Summary of contents
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... Standby Micro-Power Operation: 1.2 A Typical at 3.0V and 32kHz Crystal Applications • Portable and Personal Computers • Data Logging • Industrial Control Systems • Point Of Sale Ordering Information TEMP. RANGE o PART NUMBER ( C) ICM7170IPG - PDIP ICM7170IDG - SBDIP ICM7170IBG - SOIC ICM7170MDG -55 to 125 24 Ld SBDIP ICM7170AIPG ...
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Pinouts ICM7170 (PDIP, SBDIP) TOP VIEW WR 1 ALE OSC OUT OSC IN 10 INT SOURCE 11 INTERRUPT 12 Functional Block Diagram ...
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Absolute Maximum Ratings Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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DC Electrical Specifications T A All I PARAMETER Leakage Current INTERRUPT, I (2) OL Capacitance D0 - D7, C I/O Capacitance A0 - A4, C ADDRESS AC Electrical Specifications Load Capacitance = 150pF, V PARAMETER ...
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Timing Diagrams xxxxxxxxxx xxxxxxxxxx xxxxxxxxxx A0 - A4, CS xxxxxxxxxx FIGURE 1. READ CYCLE TIMING FOR NON-MULTIPLEXED BUS (ALE = V xxxxxxxxxx xxxxxxxxxx xxxxxxxxxx A0 - A4, CS xxxxxxxxxx ...
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Timing Diagrams (Continued) ADDRESS VALID, CS LOW D7, CS ALE WR FIGURE 4. WRITE CYCLE TIMING FOR MULTIPLEXED BUS ( Pin Descriptions SIGNAL PIN NUMBER WR ALE CS A4- OSC ...
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ADDRESS HEX ...
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Detailed Description Oscillator The ICM7170 has an onboard CMOS Pierce oscillator with an internally regulated voltage supply for maximum accuracy, stability, and low power consumption. It operates at any of four popular crystal frequencies: 32.768kHz, 1.046576MHz, 2.097152MHz, and 4.194304MHz (Note ...
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PERIODIC INT’ MASK BITS INTERRUPT MASK REGISTER NOT USED INTERRUPT STATUS REGISTER PERIODIC INT’ FLAGS GLOBAL INTERRUPT FLAG BIT Interrupt Operation The Interrupt Output N-channel MOSFET (Figure 4) is enabled whenever both the Interrupt ...
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POSITIVE SUPPLY RAIL (+5V PIN 23 BATTERY R2 V BACK 2K PIN PIN 13 DIGITAL GROUND FIGURE 6. SIMPLIFIED ICM7170 BATTERY BACKUP CIRCUIT logical “0” shown in Figures 2 and 3. The ICM7170 ...
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TABLE 5. TYPICAL LOAD CAPACITOR VALUES CRYSTAL LOAD CAPS FREQUENCY (C1, C2) 32kHz 33pF 1MHz 33pF 2MHz 25pF 4MHz 22pF This three capacitor tuning method will be more stable than the original design and is mandatory for 32kHz tuning fork ...
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... All Intersil semiconductor products are manufactured, assembled and tested under ISO9000 quality systems certification. Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design and/or specifications at any time without notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use ...
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General Notes 1. TIME ACCESS - To update the present time registers (Hex 07) the / register must be read first. The 7 real time counter 100 registers (Hours, Minutes, Seconds, Month, Date, Day, and Year) data ...