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TNR12C271K Datasheet
TNR12C271K Price Read Device Identifier Command (90H) Though PROM programmers can normally read device identifier codes by raising A9 to VID, multiplexing high voltage onto address lines is not desired for micro-processor system. It is an other means to read device identifier codes that Read Device Identifier Code Command(90H) is written to the command latch. Following the command write, the manufacturer code and the device code can be read from address OOOOH and OOOIH, respectively. TNR12C271K on stock NOTES 1. 11 and L2 = equallengtri of 50 fl impedance line, < 5.0 pF. 2. RT = 50 Q termination of scope. 3. Decoupling 0.1 pF from gnd to VEE and VCC. 4. VCCl = VCC2 = 2.0 V. 5. VEE = -3.2 V. Figure 2. Test Circuit and Wavetorms (Clock to Output)
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