HEF4093B electronics components Quad 2-input NAND Schmitt trigger
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HEF4093B electronics components Quad 2-input NAND Schmitt trigger
1. General description
The HEF4093B is a quad two-input NAND gate. Each input has a Schmitt trigger circuit. The gate switches at different points for positive-going and negative-going signals. The difference between the positive voltage (VT+) and the negative voltage (VT) is defined as hysteresis voltage (VH). It operates over a recommended VDD power supply range of 3 V to 15 V referenced to VSS (usually ground). Unused inputs must be connected to VDD, VSS, or another input.
2. Features and benefits
Schmitt trigger input discrimination Fully static operation 5 V, 10 V, and 15 V parametric ratings Standardized symmetrical output characteristics Specified from -40°C to +85 °C and -40°C to +125°C Complies with JEDEC standard JESD 13-B
3. Applications
Wave and pulse shapers Astable multivibrators Monostable multivibrators
4. Ordering information
Table 1. Ordering information All types operate from -40°C to +125°C
5. Functional diagram
6. Pinning information
6.1 Pinning
6.2 Pin description
Table 2. Pin description
Symbol Pin Description 1A to 4A 1, 5, 8, 12 input 1B to 4B 2, 6, 9, 13 input 1Y to 4Y 3, 4, 10, 11 output VDD 14 supply voltage VSS 7 ground (0 V)
7. Functional description
Table 3. Function table
Input Output nA nB nY L L H L H H H L H H H L
8. Limiting values
Table 4. Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to VSS = 0 V (ground).
Symbol Parameter Conditions Min Max Unit VDD supply voltage -0.5 +18 V IK input clamping current VI < -0.5 V or VI > VDD + 0.5 V - ± 10 mA VI input voltage -0.5 VDD + 0.5 V IOK output clamping current VO < 0.5 V or VO > VDD + 0.5 V - ±10 mA II/O input/output current - ±10 mA IDD supply current - 50 mA Tstg storage temperature -65 +150 °C Tamb ambient temperature -40 +125 °C Ptot total power dissipation Tamb= -40 °C to +125 °C DIP14 [1] - 750 mW SO14 [2] - 500 mW P power dissipation per output - 100 mW
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