74HCT688D,652
| Parameters | |
|---|---|
| Mounting Type | Surface Mount |
| Package / Case | 20-SOIC (0.295, 7.50mm Width) |
| Surface Mount | YES |
| Operating Temperature | -40°C~125°C |
| Packaging | Tube |
| Published | 1997 |
| Series | 74HCT |
| JESD-609 Code | e4 |
| Part Status | Obsolete |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Number of Terminations | 20 |
| ECCN Code | EAR99 |
| Type | Identity Comparator |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Additional Feature | CASCADABLE |
| Subcategory | Arithmetic Circuits |
| Technology | CMOS |
| Voltage - Supply | 4.5V~5.5V |
| Terminal Position | DUAL |
| Terminal Form | GULL WING |
| Peak Reflow Temperature (Cel) | 260 |
| Number of Functions | 1 |
| Supply Voltage | 5V |
| Terminal Pitch | 1.27mm |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Base Part Number | 74HCT688 |
| Output | Active Low |
| Pin Count | 20 |
| JESD-30 Code | R-PDSO-G20 |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 5.5V |
| Power Supplies | 5V |
| Supply Voltage-Min (Vsup) | 4.5V |
| Load Capacitance | 50pF |
| Number of Bits | 8 |
| Family | HCT |
| Current - Quiescent (Iq) | 8μA |
| Current - Output High, Low | 4mA 4mA |
| Max Propagation Delay @ V, Max CL | 34ns @ 4.5V, 50pF |
| Propagation Delay (tpd) | 51 ns |
| Output Function | A=B |
| Height Seated (Max) | 2.65mm |
| Width | 7.5mm |
| RoHS Status | ROHS3 Compliant |
74HCT688D,652 Overview
Tube's materials went into the packaging.Because of its low package cost, the 20-SOIC (0.295, 7.50mm Width) is well known in the electronic industry.A 8 Bit electronic part is used to design this part.There is no doubt that the 74HCT Series is an excellent value for the money due to its performance-cost ratio.Surface Mount is used to mount this electronic part.There is an output Active Low for this electrical device.In order to ensure the normal functioning of the device, a 4.5V~5.5V Supply Voltage is provided.To ensure its reliability, it operates at Operating Temperature -40°C~125°C.Applications for the Identity Comparator Type are standard grade.Featuring a variety of output currents, 4mA 4mA allows for maximum design flexibility.An example of a 20 termination would be one in which the characteristic impedance of the transmission line is matched to the device terminating the transmission line.The device is equipped with 1 functions.The related parts can be found based on the Base Part Number.5V is the supply voltage.The 20 Pin Count feature is included.There is an electronic device in this family called HCT.Comparator is located in Arithmetic Circuits Subcategory.A 5V power supply is used to operate it.The maximal Supply Voltage (Vsup) reaches 5.5V.There should be a difference between Vsup and 4.5V in the supply voltage.For instance, CASCADABLE was added.
74HCT688D,652 Features
20-SOIC (0.295, 7.50mm Width) package
8 Bits
74HCT series
20 terminations
1 Functions
20 pin count
5V power supplies
74HCT688D,652 Applications
There are a lot of NXP USA Inc. 74HCT688D,652 applications of comparators.
- Process contollenr
- Companion Appliceation Nole, ICAN-6374, "Application of the CMOS CD4059A Programmable Divide-by-N Counter in FM and Ctizens Band Transceiver Digital Tuners"
- Communications digltal frequency synthesizers: VHF, UHF, FM, AM, etc.
- Fixed or programmable irequency division
- Servo motor controls
- Servo Motor Controls
- “Time out" timer for consume-appication industrial controls
