Texas Instruments SN74LV221ADBRG4
- Part Number:
- SN74LV221ADBRG4
- Manufacturer:
- Texas Instruments
- Ventron No:
- 3219095-SN74LV221ADBRG4
- Description:
- IC MONOSTABLE DUAL 16SSOP
- Datasheet:
- SN74LV221ADBRG4
Texas Instruments SN74LV221ADBRG4 technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments SN74LV221ADBRG4.
- MountSurface Mount
- Mounting TypeSurface Mount
- Package / Case16-SSOP (0.209, 5.30mm Width)
- Number of Pins16
- Operating Temperature-40°C~85°C
- PackagingTape & Reel (TR)
- Series74LV
- Part StatusObsolete
- Moisture Sensitivity Level (MSL)1 (Unlimited)
- Number of Terminations16
- TechnologyCMOS
- Voltage - Supply2V~5.5V
- Terminal PositionDUAL
- Terminal FormGULL WING
- Peak Reflow Temperature (Cel)NOT SPECIFIED
- Number of Functions2
- Supply Voltage2.5V
- Terminal Pitch0.65mm
- Reflow Temperature-Max (s)NOT SPECIFIED
- Base Part Number74LV221
- Pin Count16
- Qualification StatusNot Qualified
- Supply Voltage-Max (Vsup)5.5V
- Supply Voltage-Min (Vsup)2V
- Propagation Delay13.2ns
- FamilyLV/LV-A/LVX/H
- Logic FunctionMultivibrator
- Current - Output High, Low12mA 12mA
- Logic TypeMonostable
- Output PolarityCOMPLEMENTARY
- Independent Circuits2
- Schmitt Trigger InputYes
- Number of Data/Clock Inputs2
- Width5.3mm
- RoHS StatusROHS3 Compliant
SN74LV221ADBRG4 Overview
In this case, the product is packaged in a 16-SSOP (0.209, 5.30mm Width) case.The equipment should be packed in case of Tape & Reel (TR), so that it can be used in an emergency.Multivibrator is recommended to mount Multivibrator on a Surface Mount-axis.Part Monostable includes logic type Monostable.The vote is delivered within the zone 2V~5.5V.The 74LV series include this electrical component.There must not be a minimum operating temperature of -40°C~85°C for this part.A low current is output from the device 12mA 12mA, whereas a high voltage output is output from the device 12mA 12mA.Designed based on the 74LV221 family, the component features a number of features.Overall, it has 16 terminations.There is no problem with the device handling the 2.5V voltage.There are 2 inputs for data and clock.Multivibrator consists of a total of five 16 pins on the part.The LV/LV-A/LVX/H family is what it belongs to.In the part, there are 16 pins that are available for use.As shown in the picture, Surface Mount is mounting the device.The minimum supply voltage must be greater than 2V in order to ensure that the supply voltage exceeds 2V.To function properly, this chip requires a voltage supply of 5.5V volts in order to operate.
SN74LV221ADBRG4 Features
in 16-SSOP (0.209, 5.30mm Width) package
Mounting Type: Surface Mount
Logic Type: Monostable
Operating Temperature: 74LV
based on 74LV221
Supply Voltage: 2.5V
SN74LV221ADBRG4 Applications
There are a lot of Texas Instruments SN74LV221ADBRG4 applications of multivibrators.
Puls delay and timing
Digital Video Cameras (DVC)
Timing clrcults
Envelope detection
Frequency division
GPS: Personal Navigation Devices
DVD Recorders and Players
Astable multivibrator
AV Receivers
Desktop PCs or Notebook PCs
In this case, the product is packaged in a 16-SSOP (0.209, 5.30mm Width) case.The equipment should be packed in case of Tape & Reel (TR), so that it can be used in an emergency.Multivibrator is recommended to mount Multivibrator on a Surface Mount-axis.Part Monostable includes logic type Monostable.The vote is delivered within the zone 2V~5.5V.The 74LV series include this electrical component.There must not be a minimum operating temperature of -40°C~85°C for this part.A low current is output from the device 12mA 12mA, whereas a high voltage output is output from the device 12mA 12mA.Designed based on the 74LV221 family, the component features a number of features.Overall, it has 16 terminations.There is no problem with the device handling the 2.5V voltage.There are 2 inputs for data and clock.Multivibrator consists of a total of five 16 pins on the part.The LV/LV-A/LVX/H family is what it belongs to.In the part, there are 16 pins that are available for use.As shown in the picture, Surface Mount is mounting the device.The minimum supply voltage must be greater than 2V in order to ensure that the supply voltage exceeds 2V.To function properly, this chip requires a voltage supply of 5.5V volts in order to operate.
SN74LV221ADBRG4 Features
in 16-SSOP (0.209, 5.30mm Width) package
Mounting Type: Surface Mount
Logic Type: Monostable
Operating Temperature: 74LV
based on 74LV221
Supply Voltage: 2.5V
SN74LV221ADBRG4 Applications
There are a lot of Texas Instruments SN74LV221ADBRG4 applications of multivibrators.
Puls delay and timing
Digital Video Cameras (DVC)
Timing clrcults
Envelope detection
Frequency division
GPS: Personal Navigation Devices
DVD Recorders and Players
Astable multivibrator
AV Receivers
Desktop PCs or Notebook PCs
SN74LV221ADBRG4 More Descriptions
IC MONOSTABLE DUAL 16SSOP
The LV221A devices are dual multivibrators designed for 2-V to 5.5-V VCC operation. Each multivibrator has a negative-transition-triggered (A) input and a positive-transition-triggered (B) input, either of which can be used as an inhibit input. These edge-triggered multivibrators feature output pulse-duration control by three methods. In the first method, the A input is low and the B input goes high. In the second method, the B input is high and the A input goes low. In the third method, the A input is low, the B input is high, and the clear (CLR) input goes high. The output pulse duration is programmable by selecting external resistance and capacitance values. The external timing capacitor must be connected between Cext and Rext/Cext (positive) and an external resistor connected between Rext/Cext and VCC. To obtain variable pulse durations, connect an external variable resistor between Rext/Cext and VCC. The output pulse duration also can be reduced by taking CLR low. Pulse triggering occurs at a particular voltage level and is not related directly to the transition time of the input pulse. The A, B, and CLR inputs have Schmitt triggers with sufficient hysteresis to handle slow input transition rates with jitter-free triggering at the outputs. Once triggered, the outputs are independent of further transitions of the A and B inputs and are a function of the timing components, or the output pulses can be terminated by the overriding clear. Input pulses can be of any duration relative to the output pulse. Output pulse duration can be varied by choosing the appropriate timing components. Output rise and fall times are TTL compatible and independent of pulse duration. Typical triggering and clearing sequences are illustrated in the input/output timing diagram. The variance in output pulse duration from device to device typically is less than 0.5% for given external timing components. An example of this distribution for the LV221A is shown in Figure 8. Variations in output pulse duration versus supply voltage and temperature are shown in Figure 5. During power up, Q outputs are in the low state, and Q outputs are in the high state. The outputs are glitch free, without applying a reset pulse. These devices are fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs, preventing damaging current backflow through the devices when they are powered down. Pin assignments are identical to those of the AHC123A and AHCT123A devices, so the LV221A can be substituted for those devices not using the retrigger feature. For additional application information on multivibrators, see the application report Designing With The SN74AHC123A and SN74AHCT123A, literature number SCLA014.
The LV221A devices are dual multivibrators designed for 2-V to 5.5-V VCC operation. Each multivibrator has a negative-transition-triggered (A) input and a positive-transition-triggered (B) input, either of which can be used as an inhibit input. These edge-triggered multivibrators feature output pulse-duration control by three methods. In the first method, the A input is low and the B input goes high. In the second method, the B input is high and the A input goes low. In the third method, the A input is low, the B input is high, and the clear (CLR) input goes high. The output pulse duration is programmable by selecting external resistance and capacitance values. The external timing capacitor must be connected between Cext and Rext/Cext (positive) and an external resistor connected between Rext/Cext and VCC. To obtain variable pulse durations, connect an external variable resistor between Rext/Cext and VCC. The output pulse duration also can be reduced by taking CLR low. Pulse triggering occurs at a particular voltage level and is not related directly to the transition time of the input pulse. The A, B, and CLR inputs have Schmitt triggers with sufficient hysteresis to handle slow input transition rates with jitter-free triggering at the outputs. Once triggered, the outputs are independent of further transitions of the A and B inputs and are a function of the timing components, or the output pulses can be terminated by the overriding clear. Input pulses can be of any duration relative to the output pulse. Output pulse duration can be varied by choosing the appropriate timing components. Output rise and fall times are TTL compatible and independent of pulse duration. Typical triggering and clearing sequences are illustrated in the input/output timing diagram. The variance in output pulse duration from device to device typically is less than 0.5% for given external timing components. An example of this distribution for the LV221A is shown in Figure 8. Variations in output pulse duration versus supply voltage and temperature are shown in Figure 5. During power up, Q outputs are in the low state, and Q outputs are in the high state. The outputs are glitch free, without applying a reset pulse. These devices are fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs, preventing damaging current backflow through the devices when they are powered down. Pin assignments are identical to those of the AHC123A and AHCT123A devices, so the LV221A can be substituted for those devices not using the retrigger feature. For additional application information on multivibrators, see the application report Designing With The SN74AHC123A and SN74AHCT123A, literature number SCLA014.
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