Inventory of Parts

Here is a list of chips, sensors, I/O devices, and other parts that are available for use in your design projects. Equipment manuals are linked at the bottom of this page.

Clicking on the part number links will send you to the datasheet PDF.

If you are interested in other parts for your projects, please take a look at the list of 7400 series ICs (for digital TTL chips) to see if they exist.

This inventory was last updated on October 28, 2020.

Digital ICs

7400 – Quad, 2-input NAND
7402 – Quad, 2-input NOR
7404 – Hex inverters
7408 – Quad, 2-input AND
7414 – Hex inverters, Schmitt trigger inputs
7417 – Hex buffers
7432 – Quad, 2-input OR
7447 – BCD to 7-segment decoder
7448 – BCD to 7-segment decoder
7474 – Dual D flip-flops
7485 – 4-bit magnitude comparators
7486 – Quad, 2-input XOR
7489 – 64-bit RAM
74112 – Dual JK flip-flops
74126 – Quad, 3-state buffers
74138 – 3 to 8 decoder
74139 – 2 to 4 decoder
74148 – 8 to 3 priority encoder
74153 – Dual, 4 to 1 MUX
74154 – 4 to 16 decoder
74165 – 8-bit parallel-in serial-out (PISO) shift register
74175 – Quad, D flip-flops
74181 – 4-bit ALU and function generator
74190 – BCD counter
74191 – 4-bit counter
74194 – 4-bit parallel-in parallel-out (PIPO) shift register
74245 – Octal bus transceiver
74279 – Quad S’R’ latches
74283 – 4-bit full adder
74374 – Octal D-type edge-triggered flip-flop
74390 – Dual 4-bit decade counters
74595 – 8-bit serial-in parallel-out (SIPO) shift register
74670 – 4-by-4 register files with 3-state outputs
74922 – 16-key encoder
754410 – Quad, half H driver

DIP Resistors

220 Ohm
1k Ohm
10k Ohm

Programmable Logic & EPROM

Unless, specifically tagged as OTP below, all EPROM are UV erasable and can be programmed more than one time (regardless of what the datasheets may say.)

GAL16V8
27C64 – EPROM 8k x 8
27C256 – EPROM 32k x 8 (OTP)
27C010 – EPROM 128k x 8
27C1024 – EPROM 64k x 16

Other Memory

UPD449 – TTL compatible CMOS RAM 2k x 8

Analog ICs

LM311 – Single comparator
LM324 – Quad op-amp
LM339 – Quad comparator
LM340 – Voltage regulator (5V, 1A)
LM555 – 555 timer
LM741 – General purpose op-amp
CD4051B – 8-bit analog MUX

Segmented Displays

Non-Multiplexed
- 24740 & 24782 – Single digit 7-segment display (common-cathode and common-anode)
- NTE3079 – Sideways single digit 7-segment display (common-cathode)
- UA5651-11 – Sideways single digit 7-segment display (common-anode)
- MAN6410 – Dual 7-segment display (common-anode)
- MAN6440 – Dual 7-segment display (common-cathode)
- KW3-562A2B – Triple 7-segment display (common-anode)
Multiplexed
- LTP-4823G – Dual 16-segment display (common-anode)
- ATA8401ARBJ – Quad 7-segment display (common-cathode)

Other Displays

ADM1602 – LCD screen (16×2 characters)
LEDs in every color
RGB LEDs (common-cathode)

Input Devices

DIP switches
Momentary pushbuttons (SPST and DPST)
Toggle switches (SPDT)
BCD switches (00-99)
Keypads (12 characters)
Keypads (16 characters)
IR remote controls

Microcontrollers

Arduino Uno R3.0
ATmega328P (DIP-28)
ATtiny44A (DIP-14)
ATtiny2313 (DIP-20)

Analog Components

Assorted capacitors (see values, below)
Assorted resistors (see values, below)
Assorted choke inductors (see values, below)
Trimpots: 10k Ohm, 1M Ohm

Ceramic Capacitor Values

Units of capacitor values are in Farads.

4.7p
10p, 15p, 22p, 33p, 47p, 68p
100p, 150p, 220p, 330p, 470p, 680p
1n, 1.5n, 2.2n, 3.3n, 4.7n, 6.8n
10n, 15n, 22n, 33n, 47n, 68n
100n, 220n, 470n

Aluminum Electrolytic Capacitor Values