M68AF127BL55MC6 STMicroelectronics, M68AF127BL55MC6 Datasheet
M68AF127BL55MC6
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M68AF127BL55MC6 Summary of contents
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FEATURES SUMMARY SUPPLY VOLTAGE: 4.5 to 5.5V 128K 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 ...
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M68AF127B TABLE OF CONTENTS FEATURES SUMMARY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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Table 12. TSOP32 - 32-lead Thin Small Outline Package, 8x13.4mm, Package Mechanical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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M68AF127B SUMMARY DESCRIPTION The M68AF127B is a 1Mbit (1,048,576 bit) CMOS SRAM, organized as 131,072 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. ...
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Figure 3. SO Connections NC 1 A16 A14 A12 M68AF127B DQ0 DQ1 DQ2 AI07270B Figure 4. DIP Connections NC 1 A16 2 A14 3 A12 4 A7 ...
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M68AF127B Figure 6. Block Diagram A16 DQ7 DQ0 6/23 ROW DECODER A7 MEMORY ARRAY I/O CIRCUITS COLUMN DECODER A0 A6 AI05471 ...
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OPERATION The M68AF127B has a Chip Enable power down feature which invokes an automatic standby mode whenever Chip Enable is de-asserted (E1 = High), or Chip Select is asserted (E2 = Low). An Output Enable (G) signal provides a high-speed, ...
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... Note: 1. One output at a time, not to exceed 1 second duration maximum operating V CC 8/23 not implied. Exposure to Absolute Maximum Rat- ing conditions for extended periods may affect de- vice reliability. STMicroelectronics SURE Program and other rel- evant quality documents. Parameter of 6.0V only. Refer also to the ...
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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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M68AF127B Table 5. Capacitance Symbol C Input Capacitance on all pins (except DQ Output Capacitance OUT Note: 1. Sampled only, not 100% tested 25° 1MHz 3.0V Table 6. ...
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Figure 9. Address Controlled, Read Mode AC Waveforms A0-A16 DQ0-DQ7 Note Low High Low High. Figure 10. Chip Enable or Output Enable Controlled, Read Mode AC Waveforms A0-A16 DQ0-DQ7 ...
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M68AF127B Figure 11. Chip Enable Controlled, Standby Mode AC Waveforms 12/23 tPU 50% tPD AI05477 ...
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Table 7. Read and Standby Mode AC Characteristics Symbol 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 Chip ...
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M68AF127B Figure 12. Write Enable Controlled, Write AC Waveforms A0-A16 tAVEL DQ0-DQ7 Figure 13. Chip Enable Controlled, Write AC Waveforms A0-A16 tAVEL E1 E2 tAVWL W DQ0-DQ7 14/23 tAVAV VALID tAVWH tELWH tWLWH tAVWL tWLQZ DATA INPUT ...
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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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M68AF127B Figure 14. E1 Controlled, Low > 2.0V E1 Figure 15. E2 Controlled, Low > 2.0V E2 Table 9. Low V Data Retention Characteristics CC Symbol ...
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PACKAGE MECHANICAL Figure 16. SO32 - 32 lead Plastic Small Outline, Package Outline SO-C Note: Drawing is not to scale. Table 10. SO32 - 32 lead Plastic Small Outline, Package Mechanical Data Symbol Typ B ...
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M68AF127B Figure 17. PDIP32 - 32 pin Plastic DIP, 600 mils width, Package Outline Note: Drawing is not to scale. Table 11. PDIP32 - 32 pin Plastic DIP, 600 mils width, Package Mechanical Data Symbol Typ ...
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Figure 18. TSOP32 - 32-lead Thin Small Outline Package, 8x13.4mm, Package Outline 1 N/2 TSOP-a Note: Drawing is not to scale. Table 12. TSOP32 - 32-lead Thin Small Outline Package, 8x13.4mm, Package Mechanical Data Symbol Typ ...
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M68AF127B Figure 19. TSOP32 - 32 lead Plastic Thin Small Outline, 8x20mm, Package Outline 1 N/2 TSOP-a Note: Drawing is not to scale. Table 13. TSOP32 - 32 lead Plastic Thin Small Outline, 8x20mm, Package Mechanical Data Symbol Typ A ...
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... NK = TSOP32 8x13.4mm N = TSOP32 8x20mm Operative Temperature 70° –40 to 85°C Shipping T = Tape & Reel Packing For a list of available options (e.g., Speed, Package) or for further information on any aspect of this device, please contact the STMicroelectronics Sales Office nearest to you. M68AF127 M68AF127B T 21/23 ...
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M68AF127B REVISION HISTORY Table 15. Document Revision History Date Version August 2001 1.0 First Issue. 18-Oct-2001 2.0 SO32 Package Mechanical and Data added (Figure 1, 3 and 16, Table 10). 29-Nov-2001 3.0 Note removed from Ordering Information Scheme. 06-Mar-2002 4.0 ...
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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 ...