74HCT688D,653
| Parameters | |
|---|---|
| Package / Case | 20-SOIC (0.295, 7.50mm Width) |
| Surface Mount | YES |
| Operating Temperature | -40°C~125°C |
| Packaging | Tape & Reel (TR) |
| Published | 1997 |
| Series | 74HCT |
| JESD-609 Code | e4 |
| Part Status | Obsolete |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Number of Terminations | 20 |
| Type | Identity Comparator |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| 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 |
| Mounting Type | Surface Mount |
74HCT688D,653 Overview
Materials from Tape & Reel (TR) are used to make the packaging.Electronic manufacturers are well aware of the 20-SOIC (0.295, 7.50mm Width) because of its low package cost.8 Bits are used in the design of this electronic part.The 74HCT Series offers an excellent price-performance ratio.Mounted in the way of Surface Mount, this electronic part is mounted in the way of X.A Active Low value is output by this electrical device.An internal 4.5V~5.5V Supply Voltage ensures the device's normal operation.Reliability is ensured by using the Operating Temperature of -40°C~125°C.There is no minimum grade requirement for the Identity Comparator Type.The High/Low output current of 4mA 4mA makes it capable of securing maximum design flexibility.Termination with a 20 device, which matches the transmission line's characteristic impedance, is considered a 20 termination.There are 1 functions on it.Parts related to the Base Part Number can be derived from it.Supply Voltage 5V powers the device.A total of 20 pins are equipped with it.There is an electronic device in this family called HCT.Comparator is located in Arithmetic Circuits Subcategory.5V Power Supplies are used to power it.Upon reaching 5.5V, the maximal supply voltage (Vsup) is reached.4.5V must be greater than Vsup.For instance, CASCADABLE was added.
74HCT688D,653 Features
20-SOIC (0.295, 7.50mm Width) package
8 Bits
74HCT series
20 terminations
1 Functions
20 pin count
5V power supplies
74HCT688D,653 Applications
There are a lot of NXP USA Inc. 74HCT688D,653 applications of comparators.
- Servo motor controls
- Fixed or programmable irequency division
- Servo Motor Controls
- “Time out" timer for consume-appication industrial controls
- 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.
