74lcx125 STMicroelectronics, 74lcx125 Datasheet
74lcx125
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74lcx125 Summary of contents
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... CC Description The 74LCX125 is a low voltage CMOS quad bus buffer fabricated with sub-micron silicon gate and double-layer metal wiring C ideal for low power and high speed 3.3V applications; it can be interfaced to 5V signal environment for both inputs and outputs. ...
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... Contents Contents 1 Logic symbols and I/O equivalent circuit . . . . . . . . . . . . . . . . . . . . . . . . 3 2 Pin settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.1 Pin connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.2 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.3 Truth table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 Maximum rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3.1 Recommended operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 4 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 5 Test circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 6 Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 7 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 8 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 2/16 74LCX125 ...
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... Logic symbols and I/O equivalent circuit Figure 1. IEC logic symbols Figure 2. Input and output equivalent circuit Logic symbols and I/O equivalent circuit 3/16 ...
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... Truth table Table 2. Truth table A ( not care 2. High impedance 4/16 Symbol Output enable input Data inputs Data outputs GND Ground (0V) V Positive supply voltage CC Inputs 74LCX125 Name and function Outputs Y ( ...
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... Maximum rating stressing the device above the rating listed in the “absolute maximum ratings” table may cause permanent damage to the device. these are stress ratings only and operation of the device at these or any other conditions above those indicated in the operating sections of this specification is not implied ...
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... O ± 5. 5. ± GND ± 3 0.6V 500 IH CC Value °C A Min Typ 0.8 = 50pF = 0V 3.3V IH -0.8 74LCX125 Unit µA µA µA µA µA Unit Max V ...
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... Table 7. AC electrical characteristics Symbol Parameter t t Propagation delay PLH PHL time t t Output enable PZL PZH time to HIGH and LOW level t t Output disable PLZ PHZ time to HIGH and LOW level t Output to output OSLH t skew time OSHL 1. Skew is defined as the absolute value of the difference between the actual propagation delay for any two ...
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... Test circuit 5 Test circuit Figure 4. Test circuit Table 9. Test Circuit C = 50pF or equivalent (includes jig and probe capacitance) L Ω 500 or equivalent pulse generator (typically 50 T OUT 8/16 Test PLH PHL PZL PLZ PZH PHZ Ω ) 74LCX125 Switch Open 6V GND ...
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... Waveforms Figure 5. Propagation delay (f = 1MHz; 50% duty cycle) Figure 6. Output enable and disable time (f = 1MHz; 50% duty cycle) Waveforms 9/16 ...
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... These packages have a Lead-free second level interconnect . The category of second level interconnect is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97. The maximum ratings related to soldering conditions are also marked on the inner box label. ECOPACK trademark. ECOPACK specifications are available at: 10/16 www.st.com 74LCX125 ...
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... DIM ddd SO-14 MECHANICAL DATA mm. MIN. TYP MAX. 1.35 1.75 0.1 0.25 1.10 1.65 0.33 0.51 0.19 0.25 8.55 8.75 3.8 4.0 1.27 5.8 6.2 0.25 0.50 0.4 1.27 0° 8° 0.100 Package mechanical data inch MIN. TYP. MAX. 0.053 0.069 0.004 0.010 0.043 0.065 0.013 0.020 0.007 0.010 0.337 0.344 0.150 0.157 0.050 0.228 0.244 ...
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... BSC 0˚ 8˚ 0.45 0.60 0. inch MIN. TYP. 0.002 0.004 0.031 0.039 0.007 0.004 0.193 0.197 0.244 0.252 0.169 0.173 0.0256 BSC 0˚ 0.018 0.024 0080337D 74LCX125 MAX. 0.047 0.006 0.041 0.012 0.0089 0.201 0.260 0.176 8˚ 0.030 ...
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... DIM Tape & Reel SO-14 MECHANICAL DATA mm. MIN. TYP MAX. 330 12.8 13.2 20.2 60 22.4 6.4 6.6 9 9.2 2.1 2.3 3.9 4.1 7.9 8.1 Package mechanical data inch MIN. TYP. MAX. 12.992 0.504 0.519 0.795 2.362 0.882 0.252 0.260 0.354 0.362 0.082 0.090 0.153 0.161 0.311 0.319 13/16 ...
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... Package mechanical data DIM 14/16 Tape & Reel TSSOP14 MECHANICAL DATA mm. MIN. TYP MAX. 330 12.8 13.2 20.2 60 22.4 6.7 6.9 5.3 5.5 1.6 1.8 3.9 4.1 7.9 8.1 74LCX125 inch MIN. TYP. MAX. 12.992 0.504 0.519 0.795 2.362 0.882 0.264 0.272 0.209 0.217 0.063 0.071 0.153 0.161 0.311 0.319 ...
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... Revision history Table 10. Revision history Date 15-Sep-2004 13-Jul-2006 Revision 5 Ordering codes revision - pag New template, temperature ranges updated Revision history Changes 15/16 ...
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... Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan - Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America 16/16 Please Read Carefully: © 2006 STMicroelectronics - All rights reserved STMicroelectronics group of companies www.st.com 74LCX125 ...