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C5301资料 | |
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C5301 PDF Download |
File Size : 116 KB
Manufacturer:HIT Description:ASYNCHRONOUS READ: There are two types of asynchronous reads C AVD pulsed and standard asynchronous reads. The AVD pulsed read operation of the device is controlled by CE, OE, and AVD inputs. The outputs are put in the high-impedance state whenever CE or OE is high. This dual-line control gives designers flexibility in preventing bus contention. The data at the address location defined by A0 - A22 and captured by the AVD signal will be read when CE and OE are low. The address location passes into the device when CE and AVD are low; the address is latched on the low-to-high transition of AVD. Low input levels on the OE and CE pins allow the data to be driven out of the device. The access time is measured from stable address, falling edge of AVD or falling edge of CE, whichever occurs last. During the AVD pulsed read, the CLK signal may be static high or static low. For standard asynchronous reads, the AVD and CLK signal should be tied to GND. The asynchronous read diagrams are shown on page 28. |
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1PCS | 100PCS | 1K | 10K | ||
价 格 | |||||
型 号:C5301 厂 家:HIT 封 装: 批 号:443 数 量:原装现货,欢迎来电垂询 说 明:TO3P |
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