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M54HC4514K1 датащи(PDF) 2 Page - STMicroelectronics |
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M54HC4514K1 датащи(HTML) 2 Page - STMicroelectronics |
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2 / 10 page ![]() M54HC4514 2/10 Figure 1: IEC Logic Symbols Figure 2: Input And Output Equivalent Circuit Table 1: Pin Description Table 2: Truth Table X : Don’t Care PIN N° SYMBOL NAME AND FUNCTION 1 STROBE Strobe Input 2, 3, 21, 22 A to D Address Inputs 11,9,10, 8, 7, 6, 5, 4, 18, 17, 20, 19, 14, 13, 16, 15 S0 to S15 Multiplexer Outputs (Active HIGH) 23 INHIBIT Enable Input 12 GND Ground (0V) 24 VCC Positive Supply Voltage INPUTS STROBE SELECT OUTPUT INHIBIT AB CD L LLL L STROBE = "H" Refer to truth table STROBE = "L" Data at the negative going transition of strobe shall be provided on the each output while strobe is held low. S0 LH L L L S1 LL H L L S2 LH H L L S3 LL L H L S4 LH L H L S5 LL H H L S6 LH H H L S7 L LLL H S8 LH L L H S9 LL H L H S10 LH H L H S11 LL L H H S12 LH L H H S13 LL H H H S14 LH H H H S15 HX X X X ALL OUTPUTS "L" |
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