Details, datasheet, quote on part number: M68AF031AM70NS6
PartM68AF031AM70NS6
Category
Description256 Kbit (32K X 8) 5.0V Asynchronous SRAM
CompanyST Microelectronics, Inc.
DatasheetDownload M68AF031AM70NS6 datasheet
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Features, Applications

SUPPLY VOLTAGE: x 8 bits SRAM with OUTPUT ENABLE EQUAL CYCLE and ACCESS TIME: 55, 70ns LOW STANDBY CURRENT LOW VCC DATA RETENTION: 2V TRI-STATE COMMON I/O AUTOMATIC POWER DOWN

FEATURES SUMMARY. 1 Figure 1. Packages. 1 SUMMARY DESCRIPTION. 4 Figure 2. Table 1. Figure 3. Figure 4. Figure 5. Figure 6. Figure 7. Logic Diagram. 4 Signal Names. 4 SO Connections. 5 DIP Connections. 5 TSOP Connections (Normal). 5 TSOP Connections (Reverse). 5 Block Diagram. 6

MAXIMUM RATING. 7 Table 2. Absolute Maximum Ratings. 7 DC AND AC PARAMETERS. 8 Table 3. Figure 8. Figure 9. Table 4. Table 5. Operating and AC Measurement Conditions. 8 AC Measurement I/O Waveform. 8 AC Measurement Load Circuit. 8 Capacitance. 9 DC Characteristics (M68AF031A-55 and M68AF031A-70). 9

OPERATION. 10 Table 6. Operating Modes. 10 Read Mode. 10 Figure 10.Address Controlled, Read Mode AC Waveforms. 10 Figure 11.Chip Enable or Output Enable Controlled, Read Mode AC Waveforms. 11 Figure 12.Chip Enable Controlled, Standby Mode AC Waveforms. 11 Table 7. Read and Standby Mode AC Characteristics. 12 Write Mode. 13 Figure 13.Write Enable Controlled, Write AC Waveforms. 13 Figure 14.Chip Enable Controlled, Write AC Waveforms. 13 Table 8. Write Mode AC Characteristics. 14 Figure 15.Low VCC Data Retention AC Waveforms. 14 Table 9. Low VCC Data Retention Characteristics. 15 PACKAGE MECHANICAL. 16 Figure - 28 lead Plastic Small Outline, 300 mils body width, Package Outline. 16 Table - 28 lead Plastic Small Outline, 300 mils body width, Package Mechanical Data. 16 Figure - 28 pin Plastic DIP, 600 mils width, Package Outline. 17 Table - 28 pin Plastic DIP, n600 mils width, Package Mechanical Data. 17 Figure - 28 lead Normal Pinout Plastic Small Outline, Package Outline. 18 Table - 28 lead Normal Pinout Plastic Small Outline, Package Mechanical Data. 18

Figure - 28 lead Reverse Pinout Plastic Small Outline, Package Outline. 19 Table - 28 lead Reverse Pinout Plastic Small Outline, Package Mechanical Data. 19 PART NUMBERING. 20 Table 14. Ordering Information Scheme. 20 REVISION HISTORY. 21 Table 15. Document Revision History. 21


 

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