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M48T129V 데이터시트(PDF) 21 Page - STMicroelectronics |
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M48T129V 데이터시트(HTML) 21 Page - STMicroelectronics |
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21 / 30 page ![]() 21/30 M48T129Y, M48T129V 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 the Measure- ment Conditions listed in the relevant tables. De- signers should check that the operating conditions in their projects match the measurement condi- tions when using the quoted parameters. Table 8. Operating and AC Measurement Conditions Note: Output Hi-Z is defined as the point where data is no longer driven. Figure 15. AC Testing Load Circuit Note: Excluding open drain output pins; 50pF for M48T129V. Table 9. Capacitance Note: 1. Effective capacitance measured with power supply at 5V (M48T129Y) or 3.3V (M48T129V); sampled only, not 100% tested. 2. At 25°C, f = 1MHz. 3. Outputs deselected. Parameter M48T129Y M48T129V Unit Supply Voltage (VCC) 4.5 to 5.5 3.0 to 3.6 V Ambient Operating Temperature (TA) 0 to 70 0 to 70 °C Load Capacitance (CL) 100 50 pF Input Rise and Fall Times ≤ 5 ≤ 5ns Input Pulse Voltages 0 to 3 0 to 3 V Input and Output Timing Ref. Voltages 1.5 1.5 V AI01803C CL = 100pF or 50pF CL includes JIG capacitance 650 Ω DEVICE UNDER TEST 1.75V Symbol Parameter(1,2) Min Max Unit CIN Input Capacitance 20 pF CIO (3) Input / Output Capacitance 20 pF |
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