数据表 (M48Z12-150PC1)目录1 Description5Figure 1. Logic diagram5Table 1. Signal names5Figure 2. DIP connections6Figure 3. Block diagram62 Operation modes7Table 2. Operating modes72.1 READ mode7Figure 4. READ mode AC waveforms8Table 3. READ mode AC characteristics82.2 WRITE mode8Figure 5. WRITE enable controlled, WRITE AC waveform9Figure 6. Chip enable controlled, WRITE AC waveforms9Table 4. WRITE mode AC characteristics102.3 Data retention mode10Figure 7. Checking the BOK flag status112.4 VCC noise and negative going transients12Figure 8. Supply voltage protection123 Maximum ratings13Table 5. Absolute maximum ratings134 DC and AC parameters14Table 6. Operating and AC measurement conditions14Figure 9. AC testing load circuit14Table 7. Capacitance14Table 8. DC characteristics15Figure 10. Power down/up mode AC waveforms15Table 9. Power down/up AC characteristics16Table 10. Power down/up trip points DC characteristics165 Package mechanical data17Figure 11. PCDIP24 - 24-pin plastic DIP, battery CAPHAT™, package outline17Table 11. PCDIP24 - 24-pin plastic DIP, battery CAPHAT™, package mechanical data17Figure 12. Shipping tube dimensions for PCDIP24 package186 Part numbering19Table 12. Ordering information scheme197 Environmental information20Figure 13. Recycling symbols208 Revision history21Table 13. Document revision history21文件大小: 338.3 KB页数: 22Language: English打开用户手册