US-Based Operations|763-222-1420|Sales@ICPartshub.com
Mon – Fri · 8AM – 6PM EST|Bloomington, MN
IC Parts Hub
ProductsAbout
Request Parts
IC Parts Hub
  • Products
  • About
763-222-1420Request Parts
  1. Home
  2. /
  3. Products
  4. /
  5. Microcontrollers
  6. /
  7. AT89C51-33AI
AT89C51-33AI — Microcontrollers

AT89C51-33AI

Microchip Technology · Obsolete

80C51 89C Microcontroller IC 8-Bit 33MHz 4KB (4K x 8) FLASH 44-TQFP (10x10)

Core Size

8-Bit

Flash

4KB (4K x 8)

Speed

33MHz

Trusted by engineering teams in
  • Aerospace
  • Defense
  • Industrial
  • Telecom

This part is just a click away

  • Afghanistan+93
  • Albania+355
  • Algeria+213
  • Andorra+376
  • Angola+244
  • Antigua and Barbuda+1268
  • Argentina+54
  • Armenia+374
  • Aruba+297
  • Australia+61
  • Austria+43
  • Azerbaijan+994
  • Bahamas+1242
  • Bahrain+973
  • Bangladesh+880
  • Barbados+1246
  • Belarus+375
  • Belgium+32
  • Belize+501
  • Benin+229
  • Bhutan+975
  • Bolivia+591
  • Bosnia and Herzegovina+387
  • Botswana+267
  • Brazil+55
  • British Indian Ocean Territory+246
  • Brunei+673
  • Bulgaria+359
  • Burkina Faso+226
  • Burundi+257
  • Cambodia+855
  • Cameroon+237
  • Canada+1
  • Cape Verde+238
  • Caribbean Netherlands+599
  • Cayman Islands+1
  • Central African Republic+236
  • Chad+235
  • Chile+56
  • China+86
  • Colombia+57
  • Comoros+269
  • Congo+243
  • Congo+242
  • Costa Rica+506
  • Côte d'Ivoire+225
  • Croatia+385
  • Cuba+53
  • Curaçao+599
  • Cyprus+357
  • Czech Republic+420
  • Denmark+45
  • Djibouti+253
  • Dominica+1767
  • Dominican Republic+1
  • Ecuador+593
  • Egypt+20
  • El Salvador+503
  • Equatorial Guinea+240
  • Eritrea+291
  • Estonia+372
  • Ethiopia+251
  • Faroe Islands+298
  • Fiji+679
  • Finland+358
  • France+33
  • French Guiana+594
  • French Polynesia+689
  • Gabon+241
  • Gambia+220
  • Georgia+995
  • Germany+49
  • Ghana+233
  • Gibraltar+350
  • Greece+30
  • Greenland+299
  • Grenada+1473
  • Guadeloupe+590
  • Guam+1671
  • Guatemala+502
  • Guinea+224
  • Guinea-Bissau+245
  • Guyana+592
  • Haiti+509
  • Honduras+504
  • Hong Kong+852
  • Hungary+36
  • Iceland+354
  • India+91
  • Indonesia+62
  • Iran+98
  • Iraq+964
  • Ireland+353
  • Israel+972
  • Italy+39
  • Jamaica+1876
  • Japan+81
  • Jordan+962
  • Kazakhstan+7
  • Kenya+254
  • Kiribati+686
  • Kosovo+383
  • Kuwait+965
  • Kyrgyzstan+996
  • Laos+856
  • Latvia+371
  • Lebanon+961
  • Lesotho+266
  • Liberia+231
  • Libya+218
  • Liechtenstein+423
  • Lithuania+370
  • Luxembourg+352
  • Macau+853
  • Macedonia+389
  • Madagascar+261
  • Malawi+265
  • Malaysia+60
  • Maldives+960
  • Mali+223
  • Malta+356
  • Marshall Islands+692
  • Martinique+596
  • Mauritania+222
  • Mauritius+230
  • Mayotte+262
  • Mexico+52
  • Micronesia+691
  • Moldova+373
  • Monaco+377
  • Mongolia+976
  • Montenegro+382
  • Morocco+212
  • Mozambique+258
  • Myanmar+95
  • Namibia+264
  • Nauru+674
  • Nepal+977
  • Netherlands+31
  • New Caledonia+687
  • New Zealand+64
  • Nicaragua+505
  • Niger+227
  • Nigeria+234
  • North Korea+850
  • Norway+47
  • Oman+968
  • Pakistan+92
  • Palau+680
  • Palestine+970
  • Panama+507
  • Papua New Guinea+675
  • Paraguay+595
  • Peru+51
  • Philippines+63
  • Poland+48
  • Portugal+351
  • Puerto Rico+1
  • Qatar+974
  • Réunion+262
  • Romania+40
  • Russia+7
  • Rwanda+250
  • Saint Kitts and Nevis+1869
  • Saint Lucia+1758
  • Saint Pierre & Miquelon+508
  • Saint Vincent and the Grenadines+1784
  • Samoa+685
  • San Marino+378
  • São Tomé and Príncipe+239
  • Saudi Arabia+966
  • Senegal+221
  • Serbia+381
  • Seychelles+248
  • Sierra Leone+232
  • Singapore+65
  • Slovakia+421
  • Slovenia+386
  • Solomon Islands+677
  • Somalia+252
  • South Africa+27
  • South Korea+82
  • South Sudan+211
  • Spain+34
  • Sri Lanka+94
  • Sudan+249
  • Suriname+597
  • Swaziland+268
  • Sweden+46
  • Switzerland+41
  • Syria+963
  • Taiwan+886
  • Tajikistan+992
  • Tanzania+255
  • Thailand+66
  • Timor-Leste+670
  • Togo+228
  • Tonga+676
  • Trinidad and Tobago+1868
  • Tunisia+216
  • Turkey+90
  • Turkmenistan+993
  • Tuvalu+688
  • Uganda+256
  • Ukraine+380
  • United Arab Emirates+971
  • United Kingdom+44
  • United States+1
  • Uruguay+598
  • Uzbekistan+998
  • Vanuatu+678
  • Vatican City+39
  • Venezuela+58
  • Vietnam+84
  • Wallis & Futuna+681
  • Yemen+967
  • Zambia+260
  • Zimbabwe+263

We respond within 1 business day.

Technical specs

Full parametrics

Core & Memory

4 params
Core Size
8-Bit
Speed
33MHz
Program Memory Size
4KB (4K x 8)
Program Memory Type
FLASH

Compliance & Lifecycle

1 param
Lifecycle Status
Obsolete

How it works

From search to quote in one business day.

  1. 01

    You find the part

    Browse through 59,000+ parts by manufacturer, part number, or category. If it isn't listed, request it anyway.

    AT28CSEARCH

    SUGGESTIONS

    • AT28C256-15TUMemory IC
    • AT28C256E-15PIMemory IC
    • AT28C256E-15TUMemory IC
    • AT28C010E-15JIMemory IC
  2. 02

    You send the details

    Part number, quantity, and a contact. Nothing else is needed before we start looking.

    Hi, I need 500 units of AT89C51-33AI for a production run.

    We’re on it. I’ll start sourcing right away and send you a quote within one business day.

    Perfect, that’s exactly what I needed.

  3. 03

    You get a quote in one business day

    A US-based specialist works our supplier network and comes back with price and lead time.

    Inbox1
    ICIC PARTS HUB2m agoYour quote is here!Pricing and lead time for your request are attached.
    JMJ. Miller1h agoRe: shipping confirmation
    ARA. Reyes3h agoWeekly summary
    DKD. KwonYesterdayUpdated contact details
IC Parts Hub

US-based independent broker specializing in obsolete, end-of-life, and hard-to-find integrated circuits. RFQ-first. Human-driven. Verified sources.

Main: 763-222-1420Direct: 763-222-1474Sales@ICPartshub.com150 West 88th Street, Suite 103Bloomington, MN 55420Mon – Fri · 8AM – 6PM EST

Products

  • Memory ICs
  • Microcontrollers
  • Power Management
  • View All Categories

Company

  • About Us
  • Request a Quote

© 2026 IC Parts Hub · icpartshub.com · All rights reserved.

Privacy PolicyTerms of ServiceFAQs