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M28W640ECT Datasheet(PDF) 22 Page - STMicroelectronics |
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M28W640ECT Datasheet(HTML) 22 Page - STMicroelectronics |
22 / 55 page ![]() M28W640ECT, M28W640ECB 22/55 DC AND AC PARAMETERS This section summarizes the operating and mea- surement conditions, and the DC and AC charac- teristics of the device. The parameters in the DC and AC characteristics Tables that follow, are de- rived from tests performed under the Measure- ment Conditions summarized in Table 13, Operating and AC Measurement Conditions. De- signers should check that the operating conditions in their circuit match the measurement conditions when relying on the quoted parameters. Table 13. Operating and AC Measurement Conditions Note: 1. To be characterized. Figure 7. AC Measurement I/O Waveform Figure 8. AC Measurement Load Circuit Table 14. Capacitance Note: Sampled only, not 100% tested. M28W640ECT, M28W640ECB Parameter 70(1) 85 90 10 Units Min Max Min Max Min Max Min Max VDD Supply Voltage 3.0 3.6 3.0 3.6 2.7 3.6 2.7 3.6 V VDDQ Supply Voltage (VDDQ ≤ VDD) 1.65 3.6 1.65 3.6 1.65 3.6 1.65 3.6 V Ambient Operating Temperature – 40 85 – 40 85 – 40 85 – 40 85 °C Load Capacitance (CL) 50 50 50 50 pF Input Rise and Fall Times 5 5 5 5 ns Input Pulse Voltages 0 to VDDQ 0 to VDDQ 0 to VDDQ 0 to VDDQ V Input and Output Timing Ref. Voltages VDDQ/2 VDDQ/2 VDDQ/2 VDDQ/2 V AI00610 VDDQ 0V VDDQ/2 AI00609C VDDQ CL CL includes JIG capacitance 25k Ω DEVICE UNDER TEST 0.1µF VDD 0.1µF VDDQ 25k Ω Symbol Parameter Test Condition Min Max Unit CIN Input Capacitance VIN = 0V 6pF COUT Output Capacitance VOUT = 0V 12 pF |
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