74AC11257PWR
| Parameters | |
|---|---|
| Mount | Surface Mount |
| Mounting Type | Surface Mount |
| Package / Case | 20-TSSOP (0.173, 4.40mm Width) |
| Number of Pins | 20 |
| Operating Temperature | -40°C~85°C |
| Packaging | Tape & Reel (TR) |
| Series | 74AC |
| Pbfree Code | yes |
| Part Status | Obsolete |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Number of Terminations | 20 |
| Type | Multiplexer |
| Packing Method | TAPE AND REEL |
| Technology | CMOS |
| Voltage - Supply | 3V~5.5V |
| Terminal Form | GULL WING |
| Peak Reflow Temperature (Cel) | NOT SPECIFIED |
| Number of Functions | 4 |
| Supply Voltage | 5V |
| Terminal Pitch | 0.65mm |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
| Base Part Number | 74AC11257 |
| Pin Count | 20 |
| Number of Outputs | 1 |
| Qualification Status | Not Qualified |
| Circuit | 4 x 2:1 |
| Supply Voltage-Max (Vsup) | 5.5V |
| Power Supplies | 3.3/5V |
| Supply Voltage-Min (Vsup) | 3V |
| Load Capacitance | 50pF |
| Number of Bits | 4 |
| Propagation Delay | 6.5 ns |
| Family | AC |
| Output Characteristics | 3-STATE |
| Current - Output High, Low | 24mA 24mA |
| Supply Type | Dual |
| Output Polarity | TRUE |
| Number of Input Lines | 2 |
| Voltage Supply Source | Dual Supply |
| Independent Circuits | 1 |
| Length | 6.5mm |
| RoHS Status | Non-RoHS Compliant |
74AC11257PWR Overview
Digital switch is provided in the 20-TSSOP (0.173, 4.40mm Width) for the purpose of saving board space.Tape & Reel (TR) represents its packaging.In terms of mounting, digital switch ic uses the method of Surface Mount.A digital IC Multiplexer is used as the analog component of the multiplexers.The operating temperature will not be affected by external factors when turn signal switch is set to -40°C~85°C.It provides digital controlled switch's superior flexibility for designers to use when it operates with a supply voltage of 3V~5.5V.provides digital controlled switch's digital controlled switch'sThese multiplexers are members of the 74AC series, which provide extensive application potential.There are 20 terminations included in its basic configuration.Its logic switch base part number is 74AC11257 which can also be used to find its logic switch related parts.The multiplexer's system is supplied with a voltage of 5V.A component pin count of 20 can be found on this turn signal switch.It is the end of conductors that is represented by GULL WING.In this case, the supply type is Dual.This multiplexer ic has 20 pins configured.The mounting point is Surface Mount.I would like to refer to the logic switch as a member of the AC family.Signal multiplexer provides 4 bits.Avoid unnecessary failures by keeping the supply voltage (Vsup) at 3V.It is advisable to keep the maximum supply voltage (Vsup) at 5.5V so as to avoid some unnecessary failures.In order to maintain mux switch's normal operation, power is provided to 3.3/5V.There are 1 outputs designed to operate the turn signal switch.TAPE AND REEL is used to package the switches.On the multiplexers, 2 input lines are provided for accepting voltage levels.
74AC11257PWR Features
Supplied in the 20-TSSOP (0.173, 4.40mm Width) package
Adopting a supply type of Dual
Power supplies of 3.3/5V
2 input lines
74AC11257PWR Applications
There are a lot of Texas Instruments 74AC11257PWR Signal Switches / Multiplexers / Decoders applications.
- Analog to digital conversion
- To select different devices in microprocessor output
- Metal detectors
- Small scale TV wall
- Frequency multiplexing system
- Enabling different functions units in microprocessor instruction decoding
- Automatic health monitoring systems
- Automation system
- To select different task for memory in microprocessor memory systems
- Data distribution
