Parameters |
Mount |
Surface Mount |
Mounting Type |
Surface Mount |
Package / Case |
20-SOIC (0.209, 5.30mm Width) |
Number of Pins |
20 |
Supplier Device Package |
20-SOP |
Operating Temperature |
-40°C~85°C |
Packaging |
Tape & Reel (TR) |
Published |
2000 |
Series |
74AC |
Part Status |
Obsolete |
Moisture Sensitivity Level (MSL) |
1 (Unlimited) |
Type |
Identity Comparator |
Max Operating Temperature |
85°C |
Min Operating Temperature |
-40°C |
Voltage - Supply |
2V~6V |
Base Part Number |
74AC521 |
Output |
Active Low |
Polarity |
Inverting |
Max Supply Voltage |
6V |
Min Supply Voltage |
2V |
Number of Bits |
8 |
Propagation Delay |
8.5 ns |
Quiescent Current |
4μA |
Turn On Delay Time |
12.5 ns |
Current - Quiescent (Iq) |
4μA |
Current - Output High, Low |
24mA 24mA |
Max Propagation Delay @ V, Max CL |
8.5ns @ 5V, 50pF |
High Level Output Current |
24mA |
Low Level Output Current |
24mA |
Output Function |
A=B |
RoHS Status |
RoHS Compliant |
Lead Free |
Lead Free |
74AC521SJX Overview
Packaging made from Tape & Reel (TR)'s materials.There is no doubt that the 20-SOIC (0.209, 5.30mm Width) is well known in the electronic industry due to its low package cost.8 Bits were used to design this electronic part.The 74AC Series offers an excellent price-performance ratio.There is a Surface Mount-position for this electronic part.The electrical device has an output of Active Low.To ensure proper functioning, a 2V~6V Supply Voltage is provided.To ensure its reliability, it operates at Operating Temperature -40°C~85°C.Applications requiring standard grade are appropriate for the Identity Comparator Type.High/Low output currents of the 24mA 24mA make it the most flexible board for design.Base Part Numbers can be used to identify related parts.An interface in a computer or other communication device has 20 pins, which are pronged contacts.This electronic part is mounted in the way of Surface Mount.Regardless of external factors, it consumes 4μA of quiescent current.As its Supplier Device Package, it uses 20-SOP.Reliability is ensured by operating at the maximum Operating Temperature of 85°C.When the machine is running, it should be warmer than -40°C.6V can be supplied with its maximum voltage.Comparator operates at 2V, which is a minimal supply voltage.A 24mA value is set for the high-level output current.There is a low level output current set to 24mA.
74AC521SJX Features
20-SOIC (0.209, 5.30mm Width) package
8 Bits
74AC series
the maximal supply voltage of 6V
74AC521SJX Applications
There are a lot of ON Semiconductor 74AC521SJX applications of comparators.
- Communications digltal frequency synthesizers: VHF, UHF, FM, AM, etc.
- Process contollenr
- “Time out" timer for consume-appication industrial controls
- Companion Appliceation Nole, ICAN-6374, "Application of the CMOS CD4059A Programmable Divide-by-N Counter in FM and Ctizens Band Transceiver Digital Tuners"
- Servo motor controls
- Servo Motor Controls
- Fixed or programmable irequency division