US-Based Operations|763-222-1420|Sales@ICPartshub.com
Mon – Fri · 8AM – 6PM EST|Bloomington, MN
IC Parts Hub
ProductsAbout
Request a Quote
IC Parts Hub
  • Products
  • About
763-222-1420Request a Quote
  1. Home
  2. /
  3. Products
  4. /
  5. Microcontrollers
  6. /
  7. AT87251G2D-SLSUM
AT87251G2D-SLSUM — Microcontrollers

AT87251G2D-SLSUM

Microchip Technology·
Obsolete

C251 8x251 Microcontroller IC 8/16-Bit 24MHz 32KB (32K x 8) OTP 44-PLCC (16.6x16.6)

Core

C251

Core Size

8/16-Bit

Flash

32KB (32K x 8)

RAM

1K x 8

Speed

24MHz

Supply

4.5V ~ 5.5V

Quick RFQ — Single Part

  • 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

Response within one business day.

Sourcing parts forAerospace & DefenseIndustrialMedicalAutomotiveTelecomEnergy

FULL PARAMETRICS

Full parametrics

Specifications13 params
Speed
24MHz
RAM Size
1K x 8
Core Size
8/16-Bit
Peripherals
POR, PWM, WDT
Connectivity
EBI/EMI, I2C, Microwire, SPI, UART/USART
Number of I/O
32
Core Processor
C251
Oscillator Type
Internal
Program Memory Size
32KB (32K x 8)
Program Memory Type
OTP
Operating Temperature
-40°C ~ 85°C (TA)
Voltage - Supply (Vcc/Vdd)
4.5V ~ 5.5V
Lifecycle Status
Obsolete

Related Parts

More from Microcontrollers

Browse all Microcontrollers →
ATXMEGA64A1-CU

Microchip Technology

AVR AVR® XMEGA® A1 Microcontroller IC 8/16-Bit 32MHz 64KB (32K x 16) FLASH 100-CBGA (9x9)

Flash

64KB (32K x 16)

Speed

32MHz

Status

Obsolete

—

IA186EBPLC84IR2

Analog Devices

- Microcontroller IC 8/16-Bit 50MHz ROMless 84-PLCC (29.31x29.31)

Speed

50MHz

Status

Obsolete

—

—

ST92F150CV1T3

STMicroelectronics

ST9 ST9 Microcontroller IC 8/16-Bit 24MHz 128KB (128K x 8) FLASH 100-LQFP (14x14)

Core

ST9

Flash

128KB (128K x 8)

RAM

4K x 8

Speed

24MHz

ST92F150JDV1QCE

STMicroelectronics

ST9 ST9 Microcontroller IC 8/16-Bit 24MHz 128KB (128K x 8) FLASH 100-PQFP (14x20)

Core

ST9

Flash

128KB (128K x 8)

RAM

6K x 8

Speed

24MHz

ST90R158Q6

STMicroelectronics

ST9 ST9 Microcontroller IC 8/16-Bit 24MHz ROMless 80-PQFP (14x20)

Core

ST9

RAM

2K x 8

Speed

24MHz

Status

Obsolete

ST92F124R9TB

STMicroelectronics

ST9 ST9 Microcontroller IC 8/16-Bit 24MHz 64KB (64K x 8) FLASH

Core

ST9

Flash

64KB (64K x 8)

RAM

2K x 8

Speed

24MHz

ST92F150CV9TB

STMicroelectronics

ST9 ST9 Microcontroller IC 8/16-Bit 24MHz 64KB (64K x 8) FLASH

Core

ST9

Flash

64KB (64K x 8)

RAM

2K x 8

Speed

24MHz

AT80251G2D-3CSUM

Microchip Technology

C251 8x251 Microcontroller IC 8/16-Bit 24MHz ROMless 40-PDIL

Core

C251

RAM

1K x 8

Speed

24MHz

Status

Obsolete

Select parts to bundle into a single RFQ

We stand behind every part we quote

IC Parts Hub sources verified, traceable parts from a global network of vetted suppliers. When your production line depends on a part that's been discontinued for a decade, you need a partner who knows where to look.

Location

US-Based & Operated

Turnaround

Quote within 24 hours

Suppliers

Verified Sources Only

WHY IC PARTS

Built for procurement engineers.

01 / SPECIALTY

Obsolete & Hard-to-Find

Decades of experience sourcing parts that other distributors no longer carry — EOL ICs, last-time-buy stock, and parts in active production allocation.

02 / SPEED

Fast Quote Turnaround

A real sourcing engineer reviews every RFQ and most responses go out same business day — not a templated reply, a real quote with provenance.

03 / QUALITY

Verified Supplier Network

Every part is sourced through vetted channels with documented chain-of-custody. Test reports and date codes available on request.

04 / IDENTITY

US-Based, US-Operated

Headquartered in New Jersey with a US-based sourcing team. No outsourced reps, no offshore handoffs — just a phone number that goes to a person who knows ICs.

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