MM74C949N vs ADC0809CCN Comparison
Detailed side-by-side comparison of MM74C949N by Texas Instruments and ADC0809CCN by Texas Instruments. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Specification Comparison
| Parameter | MM74C949N | ADC0809CCN |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Category | ADC/DAC | ADC/DAC |
| Lifecycle Status | Obsolete | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.65 | $3.40 |
| Resolution | 8 bits | 8 bits |
| Number of Input Channels | 8 (single-ended, multiplexed) | — |
| Conversion Architecture | Successive Approximation (SAR) | — |
| Conversion Time | 116 microseconds (typical) | — |
| Supply Voltage | 5 V (single supply) | — |
| Analog Input Type | Single-ended, 8-channel MUX | — |
| Digital Interface | 8-bit microprocessor-compatible, tri-state outputs | — |
| Package | 28-PDIP (Plastic DIP, 28-pin) | 28-pin PDIP (through-hole) |
| Operating Temperature Range | -40 C to +85 C | — |
| Output Code | Binary (unipolar) | — |
| Technology | CMOS | — |
| Sample-and-Hold | Internal | — |
| Reference | Internal (external reference option [DATA_NEEDED: pin details]) | — |
| RoHS Status | [DATA_NEEDED: RoHS status - legacy part predates RoHS directive; check distributor listings] | Compliant (NOPB variant); non-compliant legacy |
| Pin Count | 28 | — |
| Mounting Type | Through-Hole (DIP) | Through-Hole (DIP) |
| Lifecycle Status | Obsolete / End of Life (per GlobalSpec listing) | — |
| Architecture | — | Successive Approximation (SAR) |
| Number of Channels | — | 8 single-ended |
| Sample Rate (max) | — | 10 kSPS |
| Input Type | — | Single-Ended, Multiplexed |
| Supply Voltage (VCC) | — | 4.5 V to 5.25 V (5 V typical) |
| Supply Current | — | [DATA_NEEDED: typical quiescent current] |
| Analog Input Voltage Range | — | 0 V to VCC |
| Integral Nonlinearity (INL) | — | ±1 LSB max |
| Differential Nonlinearity (DNL) | — | ±1 LSB max (no missing codes) |
| Conversion Time (typ) | — | [DATA_NEEDED: at fCLK] |
| Clock Frequency | — | 10 kHz to 1.1 MHz |
| Reference Voltage | — | Internal 256R ladder, VREF+ / VREF- pins |
| Digital I/O Logic Level | — | TTL/CMOS compatible |
| Operating Temperature | — | -40 °C to +85 °C |
| Output Interface | — | 8-bit parallel, tri-state latched |
| Channel Selection | — | 3-bit address latch (A0/A1/A2) |