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M28W320ECT 数据表(PDF) 22 Page - STMicroelectronics |
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M28W320ECT 数据表(HTML) 22 Page - STMicroelectronics |
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22 / 53 page ![]() M28W320ECT, M28W320ECB 22/53 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 Figure 7. AC Measurement I/O Waveform Figure 8. AC Measurement Load Circuit Table 14. Capacitance Note: Sampled only, not 100% tested. M28W320ECT, M28W320ECB Parameter 70 85 90 10 Units Min Max Min Max Min Max Min Max VDD Supply Voltage 2.7 3.6 2.7 3.6 2.7 3.6 2.7 3.6 V VDDQ Supply Voltage (VDDQ ≤ VDD) 2.7 3.6 2.7 3.6 2.7 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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