LM431ACZXA
On Semiconductor
The LM431ACZXA from On Semiconductor is an adjustable shunt voltage reference. It offers a wide output voltage range and is suitable for various power management applications.
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13 pcs
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13 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
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The HEF4044BP is a quadruple R/S latch integrated circuit from NXP Semiconductors, designed with 3-state outputs. Each latch within the HEF4044B has an active LOW set input (S0 to S3) and an active LOW reset input (R0 to R3). The outputs (O0 to O3) are active HIGH and 3-state buffered. A common output enable input (EO) controls the state of all outputs. When EO is HIGH, the latch state is determined by the inputs. When EO is LOW, the outputs enter a high impedance OFF-state, which allows for common busing of the outputs without affecting the latch's internal state.
This component is available in a 16-lead DIL (Dual In-line) plastic package, suitable for through-hole mounting. The datasheet specifies various propagation delays and transition times, which vary with supply voltage (VDD) and load capacitance (CL). For example, at VDD = 5V and CL = 50pF, the propagation delay (Rn to On) is a maximum of 185 ns, and the output transition time (HIGH to LOW) is a maximum of 120 ns. Minimum pulse widths for set and reset inputs are also specified, dependent on VDD.
The HEF4044BP belongs to the HE4000B logic family. Its 3-state output capability makes it suitable for applications requiring shared data buses where outputs need to be selectively enabled or disabled.
| Qty | Low | High |
|---|---|---|
| 1+ | $2.21 | $2.21 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
At VDD = 5V and CL = 50pF, the maximum propagation delay for Rn to On is 185 ns, and for Sn to On is 180 ns.
At VDD = 15V and CL = 50pF, the maximum output transition time (HIGH to LOW or LOW to HIGH) is 40 ns.
At VDD = 10V, the minimum set input pulse width (LOW) is 10 ns.
The HEF4044BP is supplied in a 16-lead DIL package.
The RoHS status is RoHS3 Compliant.
The Moisture Sensitivity Level (MSL) is 1 Unlimited.
The REACH status is REACH Unaffected.
