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M68AF511AL 数据表(PDF) 2 Page - STMicroelectronics |
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M68AF511AL 数据表(HTML) 2 Page - STMicroelectronics |
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2 / 18 page ![]() M68AF511AL 2/18 TABLE OF CONTENTS SUMMARY DESCRIPTION. . . . . . . . . . . . . . . . . . . . . .... . . . .... . . . . . . . . ... .. .. .. . . . . . ... . . 3 Figure 2. Logic Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .... . . . ... .. . ... 3 Table 1. Signal Names . . . . . . . . . . . . . . . . . . . . . . . . . .... ... .. . . . . ... . . . . . . . . . . ... . . . ..3 Figure 3. TSOP and SO Connections . . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . ... . . .. .. ... . . 4 Figure 4. Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 MAXIMUM RATING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . ... . . . . . . . . . ... ..... . 5 Table 2. Absolute Maximum Ratings. . . . . . . . . . . . . . . .... ... .. . . . . ... . . . . . . . . . . ... ... ..5 DC AND AC PARAMETERS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Table 3. Operating and AC Measurement Conditions. . .... . . . . . . . . . ... . . . . . . . . . ... ..... . 6 Figure 5. AC Measurement I/O Waveform . . . . . . . . . . . . . . . . . . . . . . . ... .. .. . . . . .. . . .. . ... 6 Figure 6. AC Measurement Load Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Table 4. Capacitance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .... . . . ... .. . ... 7 Table 5. DC Characteristics.... .. . . . ... ... ... .. . ... . . . . . . ... ... .. . . . ... . . . ... .. . ... 7 OPERATION . . . ... . . . . . . ... ... .. . . . ... ... ... .. . ... . . . . . . ... ... .. . . . ... ... ... .. . ... 8 Table 6. Operating Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .... ... .... ... . 8 Read Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Figure 7. Address Controlled, Read Mode AC Waveforms. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Figure 8. Chip Enable or Output Enable Controlled, Read Mode AC Waveforms. . . . . . . . . . . . . . . 9 Table 7. Read and Standby Mode AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Write Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Figure 10. Write Enable Controlled, Write AC Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Figure 11. Chip Enable Controlled, Write AC Waveforms. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Table 8. Write Mode AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Table 9. Low VCC Data Retention Characteristics. . . . . . . . . . . . . . . . . . ... .. .. . . . . .. . . .. . . . 13 PACKAGE MECHANICAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 TSOP 32 Type II - 32 lead Plastic Thin Small Outline Type II, Package Outline . . . . . . . . . . . . . . 14 TSOP 32 Type II - 32 lead Plastic Thin Small Outline Type II, Package Mechanical Data . . . . . . . 14 SO32 - 32 lead Plastic Small Outline, Package Outline . . . . . . . . . . . . . . . . . . . . . . .... . . . ....15 SO32 - 32 lead Plastic Small Outline, Package Mechanical Data. . . . . . . . . . . . . . . . . . . . . . . . . . 15 PART NUMBERING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .... . . . ... .. . . . 16 Table 12. Ordering Information Scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 REVISION HISTORY. .... . . . . . . . . ... .. . . . . . . . . . ... . ... ... . . . . . . . . ... .. . . . . . . . . . ... .17 Table 13. Document Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 |
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