Parameters |
Factory Lead Time |
1 Week |
Lifecycle Status |
ACTIVE (Last Updated: 1 week ago) |
Contact Plating |
Gold |
Mount |
Surface Mount |
Mounting Type |
Surface Mount |
Package / Case |
20-SOIC (0.295, 7.50mm Width) |
Number of Pins |
20 |
Weight |
500.709277mg |
Operating Temperature |
-55°C~125°C |
Packaging |
Tube |
Series |
74HCT |
JESD-609 Code |
e4 |
Pbfree Code |
yes |
Part Status |
Active |
Moisture Sensitivity Level (MSL) |
1 (Unlimited) |
Number of Terminations |
20 |
Type |
Identity Comparator |
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 |
Base Part Number |
74HCT688 |
Output |
Active Low |
Pin Count |
20 |
Operating Supply Voltage |
5V |
Polarity |
Inverting |
Power Supplies |
5V |
Load Capacitance |
50pF |
Number of Bits |
8 |
Propagation Delay |
51 ns |
Quiescent Current |
8μA |
Turn On Delay Time |
34 ns |
Family |
HCT |
Current - Output High, Low |
4mA 4mA |
Max I(ol) |
0.004 A |
Max Propagation Delay @ V, Max CL |
34ns @ 4.5V, 50pF |
Prop. Delay@Nom-Sup |
42 ns |
Output Function |
A=B |
Height |
2.65mm |
Length |
12.8mm |
Width |
7.5mm |
Thickness |
2.35mm |
Radiation Hardening |
No |
RoHS Status |
ROHS3 Compliant |
Lead Free |
Lead Free |
CD74HCT688ME4 Overview
Tube's packaging is made of Tube's materials.Because of its low package cost, the 20-SOIC (0.295, 7.50mm Width) is well known in the electronic industry.8 Bits were used to design this electronic part.74HCT Series offers excellent performance at an affordable price.There is an electronic part mounted in the way of Surface Mount.The electrical device has an output of Active Low.In order to ensure the normal functioning of the device, a 4.5V~5.5V Supply Voltage is provided.Reliability is ensured by using the Operating Temperature of -55°C~125°C.Application grade Identity Comparator Types are available.As 4mA 4mA features a high/low output current, maximal design flexibility can be achieved.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.1 functions are available on it.Base Part Numbers can be used to identify related parts.A supply voltage of 5V is used to power it.In addition, it features 20 Pin Count.The pronged contacts on computers and other communications devices are called 20 pins.In this case, the electronic part is mounted in the direction of Surface Mount.Electronic devices belonging to the HCT family make up this device.Arithmetic Circuits is a Subcategory.A 5V power supply powers it.For example, CASCADABLE has been added.Comparator is necessary to maintain a 5V supply voltage.A quiescent current of 8μA is consumed without external influence.
CD74HCT688ME4 Features
20-SOIC (0.295, 7.50mm Width) package
8 Bits
74HCT series
20 terminations
1 Functions
20 pin count
5V power supplies
CD74HCT688ME4 Applications
There are a lot of Texas Instruments CD74HCT688ME4 applications of comparators.
- Process contollenr
- Servo Motor Controls
- Communications digltal frequency synthesizers: VHF, UHF, FM, AM, etc.
- Companion Appliceation Nole, ICAN-6374, "Application of the CMOS CD4059A Programmable Divide-by-N Counter in FM and Ctizens Band Transceiver Digital Tuners"
- “Time out" timer for consume-appication industrial controls
- Fixed or programmable irequency division
- Servo motor controls