M-991 Clare, M-991 Datasheet
M-991
Specifications of M-991
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M-991 Summary of contents
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... Block Diagram DS-M991-R1 Call Progress Tone Generator Description The M-991 is a call progress tone generator integrated circuit for use in telephone systems. The circuit uses low-power CMOS techniques to generate tones which are digitally controlled and highly linear. The M-991 is designed to permit operation with almost any system. ...
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... M-991 Absolute Maximum Ratings Storage Temperature Operating Ambient Temperature Operating Ambient Temperature for the M-991-02SM V DD Any Input Voltage V Note: 1. Exceeding these ratings may permanently damage the M-991. Specifications Parameter Power Supply V DD and Reference Current Drain, IDD V Pin: REF Deviation from (V ...
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... Duration and frequency selection are digitally con- trolled (see the Data/Tone Selection table below for data settings for a particular tone output). A typical control sequence for the M-991 is: (1) set data lines to desired frequency selection, (2) wait for data lines to settle, (3) drive the chip enable (CE) low, (4) maintain ...
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... M-991 Power-on Reset Circuit Timing Diagram Expanded Timing Diagram Typical Application 4 www.clare.com Rev. 1 ...
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... Min Max A .0926 .1043 A1 .0040 .0118 b .013 .020 D .3977 .4133 E .2914 .2992 e .050 BSC H .394 .419 L .016 .050 www.clare.com M-991 Tolerances Metric (mm) Min Max - 5.33 .38 - .36 .56 1.1 1.8 .20 .36 18.7 19.7 7.6 8.3 6.1 7.1 2.54 BSC 0° 15° 2.9 4.1 ...
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... Clare’s product may result in direct physical harm, injury, or death to a person or severe property or environmental damage. Clare, Inc. reserves the right to discontinue or make changes to its products at any time without notice. Specification: DS-M991-R1 ©Copyright 2001, Clare, Inc. ...