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M27C2001-15XN6TR Folha de dados(PDF) 2 Page - STMicroelectronics |
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M27C2001-15XN6TR Folha de dados(HTML) 2 Page - STMicroelectronics |
2 / 16 page M27C2001 2/16 Figure 2B. LCC Pin Connections AI00718 A8 A10 17 A1 A0 Q0 A7 A4 A3 A2 A6 A5 9 A9 1 A11 A13 Q7 32 M27C2001 A14 G E 25 Figure 2A. DIP Pin Connections A1 A0 Q0 A7 A4 A3 A2 A6 A5 A13 A10 A8 A9 Q7 A14 A11 G E Q5 Q1 Q2 Q3 VSS Q4 Q6 A17 P A16 A12 VPP VCC A15 AI00717 M27C2001 8 1 2 3 4 5 6 7 9 10 11 12 13 14 15 16 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 The operationg modes of the M27C2001 are listed in the Operating Modes table. A single power sup- ply is required in the read mode. All inputs are TTL levels except for VPP and 12V on A9 for Electronic Signature. Read Mode The M27C2001 has two control functions, both of which must be logically active in order to obtain data at the outputs. Chip Enable (E) is the power control and should be used for device selection. Output Enable (G) is the output control and should be used to gate data to the output pins, indepen- dent of device selection. Assuming that the ad- dresses are stable, the address access time (tAVQV) is equal to the delay from E to output (tELQV). Data is available at the output after a delay of tGLQV from the falling edge of G, assuming that E has been low and the addresses have been sta- ble for at least tAVQV-tGLQV. Standby Mode The M27C2001 has a standby mode which reduc- es the supply current from 30mA to 100 µA. The M27C2001 is placed in the standby mode by ap- plying a CMOS high signal to the E input. When in the standby mode, the outputs are in a high imped- ance state, independent of the G input. Figure 2C. TSOP Pin Connections A1 A0 Q0 A7 A4 A3 A2 A6 A5 A13 A10 A8 A9 Q7 A14 A11 G E Q5 Q1 Q2 Q3 Q4 Q6 A17 P A16 A12 VPP VCC A15 AI01153B M27C2001 (Normal) 8 1 9 16 17 24 25 32 VSS |
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Descrição semelhante - M27C2001-15XN6TR |
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