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MCM69R819AZP5R 数据表(PDF) 8 Page - Motorola, Inc |
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MCM69R819AZP5R 数据表(HTML) 8 Page - Motorola, Inc |
8 / 20 page MCM69R737A •MCM69R819A 8 MOTOROLA FAST SRAM The table of timing values shows either a minimum or a maximum limit for each param- eter. Input requirements are specified from the external system point of view. Thus, ad- dress setup time is shown as a minimum since the system must supply at least that much time (even though most devices do not require it). On the other hand, responses from the memory are specified from the device point of view. Thus, the access time is shown as a maximum since the device never pro- vides data later than that time. TIMING LIMITS DEVICE UNDER TEST 50 Ω 50 Ω VDDQ/2 Figure 1. AC Test Load VOH VSS 50% 100% 20% tKHKH Figure 2. Undershoot Voltage CROSSING POINT VDDQ VSS VTR VDIF VCP VCM* Figure 3. Differential Inputs/Common Mode Input Voltage *VCM, the Common Mode Input Voltage, equals VTR – ((VTR – VCP)/2). |
类似零件编号 - MCM69R819AZP5R |
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类似说明 - MCM69R819AZP5R |
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