Programmable

TL431 Datasheet – Programmable Precision References – ON Semi

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Part Number: TL431

Function  : Programmable Precision References

Manufacturer: ON Semiconductor

Pinouts:

TL431 Datasheet

The TL431A, B integrated circuits are three−terminal programmable shunt regulator diodes. These monolithic IC voltage references operate as a low temperature coefficient zener which is programmable from Vrefto 36 V with two external resistors. These devices exhibit a wide operating current range of 1.0 mA to 100 mA with a typical dynamic impedance of 0.22 . The characteristics of these references make them excellent replacements for zener diodes in many applications such as digital voltmeters, power supplies, and opamp circuitry. The 2.5 V reference makes it convenient to obtain a stable reference from 5.0 V logic supplies, and since the TL431A, B operates as a shunt regulator, it can be used as either a positive or negative voltage reference.

Features
• Programmable Output Voltage to 36 V
• Voltage Reference Tolerance: ±0.4%, Typ @ 25°C (TL431B)
• Low Dynamic Output Impedance, 0.22 Typical
• Sink Current Capability of 1.0 mA to 100 mA
• Equivalent Full−Range Temperature Coefficient of 50 ppm/°C Typical
• Temperature Compensated for Operation over Full Rated Operating Temperature Range
• Low Output Noise Voltage
• NCV/SCV Prefixes for Automotive and Other Applications Requiring Unique Site and Control Change Requirements; AEC−Q100 Qualified and PPAP Capable
• These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS Compliant

TL431 Datasheet

On semiconductor Datasheet : [ TL431.PDF ]

 

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PALCE16V8Q-25PC Datasheet – Programmable Logic Device

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Part Number: PALCE16V8Q-25PC

Function: EE CMOS (Zero-Power) 20-Pin Universal Programmable Array Logic

Package: DIP 20 Pin Type

Manufacturer: Lattice Semiconductor

Image

PALCE16V8Q-25PC Lattice

 

GENERAL Description

The PALCE16V8 is an advanced PALdevice built with low-power, high-speed,  electricallyerasable CMOS technology. It is functionally compatible with all 20-pin GAL devices. The macrocells provide a universal device architecture. The PALCE16V8 will directly replace the PAL16R8, with the exception of the PAL16C1. The fixed OR array allows up to eight data product terms per output for logic functions. The sum of these products feeds the output macrocell. Each macrocell can be programmed as registered or combinatorial with an active-high or active-low output. The output configuration is determined by two global bits and one local bit controlling four multiplexers in each macrocell.

Pinouts:

PALCE16V8Q-25PC datasheet

Features

1. Pin and function compatible with all 20-pin PAL devices
2. Electrically erasable CMOS technology provides reconfigurable logic and full testability
3. High-speed CMOS technology
(1) 5-ns propagation delay for “-5” version
(2) 7.5-ns propagation delay for “-7” version
4. Direct plug-in replacement for the PAL16R8 series
5. Outputs programmable as registered or combinatorial in any combination

 

 

PALCE16V8Q-25PC Datasheet PDF Download

PALCE16V8Q-25PC pdf

Other data sheets are available within the file: PALCE16V8H, PALCE16V8H-10, PALCE16V8H-10JC/4