M68AF511AM70MC6T STMicroelectronics, M68AF511AM70MC6T Datasheet
M68AF511AM70MC6T
Specifications of M68AF511AM70MC6T
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M68AF511AM70MC6T Summary of contents
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... FEATURES SUMMARY SUPPLY VOLTAGE: 4.5 to 5.5V 512K x 8 bits SRAM with OUTPUT ENABLE EQUAL CYCLE and ACCESS TIMES: 55ns LOW STANDBY CURRENT LOW V DATA RETENTION TRI-STATE COMMON I/O LOW ACTIVE and STANDBY POWER September 2004 4 Mbit (512K x8), 5V Asynchronous SRAM Figure 1. Packages ...
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M68AF511A TABLE OF CONTENTS FEATURES SUMMARY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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REVISION HISTORY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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... M68AF511A SUMMARY DESCRIPTION The M68AF511A Mbit (4,194,304 bit) CMOS SRAM, organized as 524,288 words by 8 bits. The device features fully static operation requiring no external clocks or timing strobes, with equal ad- dress access and cycle times. It requires a single 4.5 to 5.5V supply. Figure 2. Logic Diagram ...
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Figure 3. TSOP and SO Connections A17 1 32 A16 A14 A12 M68AF511A DQ0 DQ1 DQ2 AI03949C M68AF511A V CC A15 A18 W A13 ...
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M68AF511A Figure 4. Block Diagram A18 DQ7 DQ0 6/21 ROW DECODER MEMORY ARRAY I/O CIRCUITS COLUMN DECODER A0 A7 AI05916 ...
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OPERATION The M68AF511A has a Chip Enable power down feature which invokes an automatic standby mode whenever Chip Enable is de-asserted (E = High). An Output Enable (G) signal provides a high speed tri-state control, allowing fast read/write cy- Read ...
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M68AF511A MAXIMUM RATING Stressing the device above the rating listed in the Absolute Maximum Ratings table may cause per- manent damage to the device. These are stress ratings only and operation of the device at these or any other conditions ...
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DC AND AC PARAMETERS This section summarizes the operating and mea- surement conditions, as well as the DC and AC characteristics of the device. The parameters in the following DC and AC Characteristic tables are derived from tests performed under ...
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M68AF511A Table 5. Capacitance Symbol C Input Capacitance on all pins (except DQ Output Capacitance OUT Note: 1. Sampled only, not 100% tested 25° 1MHz 5.0V Table 6. ...
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Figure 7. Address Controlled, Read Mode AC Waveforms A0-A18 DQ0-DQ7 Note Low Low High. Figure 8. Chip Enable or Output Enable Controlled, Read Mode AC Waveforms A0-A18 E G DQ0-DQ7 Note: Write Enable (W) ...
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M68AF511A Figure 9. Chip Enable Controlled, Standby Mode AC Waveforms 12/21 tPU 50% tPD AI03036 ...
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Table 7. Read and Standby Mode AC Characteristics Symbol Parameter t Read Cycle Time AVAV t Address Valid to Output Valid AVQV (1) Data hold from Address change t AXQX (2,3) Chip Enable High to Output Hi-Z t EHQZ t ...
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M68AF511A Figure 10. Write Enable Controlled, Write AC Waveforms A0-A18 E W DQ0-DQ7 DATA Note: 1. During this period DQ0-DQ7 are in output state and input signal should not be applied. Figure 11. Chip Enable Controlled, Write AC Waveforms A0-A18 ...
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Table 8. Write Mode AC Characteristics Symbol t Write Cycle Time AVAV t Address Valid to Chip Enable High AVEH t Address Valid to Chip Enable Low AVEL t Address Valid to Write Enable High AVWH t Address Valid to ...
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M68AF511A Figure 12. Low V Data Retention AC Waveforms > 2.0V E 2.2V Table 9. Low V Data Retention Characteristics CC Symbol Parameter (1) Supply Current (Data Retention) I CCDR Chip Deselected to ...
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PACKAGE MECHANICAL Figure 13. TSOP 32 Type lead Plastic Thin Small Outline Type II, Package Outline Note: Drawing is not to scale. Table 10. TSOP 32 Type lead Plastic ...
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M68AF511A Figure 14. SO32 - 32 lead Plastic Small Outline, Package Outline SO-C Note: Drawing is not to scale. Table 11. SO32 - 32 lead Plastic Small Outline, Package Mechanical Data Symbol Typ A A1 ...
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... Package NC = TSOP32 Type SO32 Operative Temperature 70° –40 to 85°C Shipping T = Tape & Reel Packing For a list of available options (Speed, Package, etc....) or for further information on any aspect of this de- vice, please contact the STMicroelectronics Sales Office nearest to you. M68AF511 NC1 T M68AF511A 19/21 ...
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M68AF511A REVISION HISTORY Table 13. Document Revision History Date Version July 2001 -01 First Issue SO32 Package added 08-Aug-2001 -02 55ns Speed class introduced Industrial Temperature Range added (Range 6) 27-Sep-2001 -03 Typing error, Table 5, Note 2 18-Oct-2001 -04 ...
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... No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics ...