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M27C516-70XC6TR Datasheet(PDF) 4 Page - STMicroelectronics |
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M27C516-70XC6TR Datasheet(HTML) 4 Page - STMicroelectronics |
4 / 12 page AI02024B 1.3V OUT CL = 30pF or 60pF or 100pF CL includes JIG capacitance 3.3k Ω 1N914 DEVICE UNDER TEST Figure 4. AC Testing Load Circuit Symbol Parameter Test Condition Min Max Unit CIN Input Capacitance VIN =0V 6 pF COUT Output Capacitance VOUT =0V 12 pF Notes. 1. VCC must be applied simultaneously with or before VPP and removed simultaneously with or after VPP. 2. This parameter is sampled only and not tested 100%. Table 6. Capacitance (TA =25 °C, f = 1 MHz ) System Considerations The power switching characteristics of Advanced CMOS EPROMs require careful decoupling of the devices. The supply current, ICC, has three seg- ments that are of interest to the system designer: the standby current level, the active current level, and transient current peaks that are produced by the falling and rising edges of E. The magnitude of the transient current peaks is dependent on the capacitiveand inductiveloading of the device at the output. The associated transient voltage peaks can be suppressed by complying with the two line output control and by properly selected decoupling capacitors. It is recommended that a 1 µF ceramic capacitor be used on every device between VCC and VSS. This should be a high frequencycapacitor of low inherent inductance and should be placed as close to the device as possible. In addition, a 4.7 µF bulk electrolytic capacitor should be used between VCC and VSS for every eight devices. The bulk capacitor should be located near the power supplyconnection point.The purpose of the bulk capacitor is to overcome the voltage drop caused by the inductive effects of PCB traces. AI01822 3V High Speed 0V 1.5V 2.4V Standard 0.4V 2.0V 0.8V Figure 3. AC Testing Input Output Waveform High Speed Standard Input Rise and Fall Times ≤ 10ns ≤ 20ns (10% to 90%) Input Pulse Voltages 0 to 3V 0.4V to 2.4V Input and Output Timing Ref. Voltages 1.5V 0.8V and 2V Table 5. AC Measurement Conditions 4/12 M27C516 |
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