Texas Instruments 8102001CA

Overview

8102001CA from Texas Instruments is a CMOS monostable/astable multivibrator IC in a 14-lead ceramic dual-in-line package (CDIP-J), operating from -55°C to +125°C, with supply voltage range 3 V to 18 V, propagation delay ≤120 ns at 10 V, and quiescent current ≤1 µA at 10 V. It serves as a precision timing generator in military-grade power control and instrumentation circuits.

For engineers reviewing the 8102001CA datasheet, 8102001CA pinout, 8102001CA application, or 8102001CA equivalent, this device supports configurable monostable or astable operation via external R/C networks, offers TTL- and CMOS-compatible inputs, and delivers rail-to-rail output swing - critical for high-reliability analog-digital interface timing.

Technical Context

The 8102001CA implements a dual-mode multivibrator using complementary MOS transistor pairs, enabling both monostable (one-shot) and astable (free-running oscillator) configurations through mode-select logic. Its internal circuit includes a Schmitt-trigger input stage, cross-coupled NAND gates, and buffered outputs with symmetric rise/fall times.

It features two independent output phases (Q and Q̅), a reset input (R), and three control pins (ASTABLE/MONOSTABLE, TRIGGER, and ENABLE) that determine functional mode and timing behavior. The device requires no external biasing and maintains stable oscillation frequency over full temperature and supply ranges.

Key Specifications

Pinout & Package

8102001CA is housed in a hermetic 14-lead ceramic dual-in-line package (CDIP-J), 5.08 mm maximum height, with SNPB lead finish and no RoHS compliance. The package meets MIL-STD-1835 GDIP1-T14 and is rated for high-reliability, long-life applications requiring moisture resistance and thermal stability.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar multivibrator applications.

Compared with CD4047BF3A and CD4047BF, the 8102001CA shares identical timing performance, packaging, and environmental ratings but carries a unique Harris-derived orderable ID used in legacy defense BOMs - making it essential for configuration-controlled sustainment programs.

Availability

8102001CA is available at Aetrix Electronics and suitable for power supply sequencing, test equipment timing, and industrial motor control requiring stable component supply across extended temperature ranges and long product lifecycles.

Supply support for 8102001CA includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Texas Instruments is a global semiconductor leader delivering analog, embedded processing, and logic solutions for industrial, automotive, and aerospace markets.

The CD4047B-series was designed as a radiation-tolerant, high-reliability CMOS timing building block for military and space-qualified systems - emphasizing wide temperature operation, low power, and hermetic packaging integrity.

FAQ

What is the function of the 8102001CA in timing circuits?

The 8102001CA functions as a dual-mode CMOS multivibrator, supporting both monostable (one-shot) and astable (oscillator) operation. It generates precise timing intervals or continuous waveforms using external R/C networks. Its design enables reliable use in mission-critical timing applications where stability across temperature and supply voltage is mandatory - a key capability of the 8102001CA in defense and industrial control systems.

Does the 8102001CA require external components to operate?

Yes, the 8102001CA requires external resistors and capacitors connected to pins 5 and 6 to set timing parameters: pulse width in monostable mode or frequency in astable mode. No additional biasing or pull-up/pull-down resistors are needed due to its CMOS input structure and rail-to-rail outputs. This minimal external component count is a defining feature of the 8102001CA's system integration advantage.

Is the 8102001CA RoHS compliant?

No, the 8102001CA uses SNPB (tin-lead) lead finish and is not RoHS compliant. It is manufactured in a hermetic ceramic DIP package intended for high-reliability, extended-temperature applications where lead-free reflow compatibility is secondary to long-term reliability and thermal robustness - consistent with the 8102001CA's qualification for military and aerospace use.

What is the maximum operating frequency of the 8102001CA in astable mode?

The 8102001CA does not specify a fixed maximum frequency; its astable oscillation frequency is determined by external R and C values per f ≈ 1/(4.4 × R × C). With typical 10 kΩ and 100 pF components, it achieves ~2.3 MHz. At V_DD = 15 V, propagation delay ≤120 ns supports stable operation up to several MHz - a practical limit confirmed in the 8102001CA's characterization data under load.

Can the 8102001CA replace the NE555 in high-temperature applications?

The 8102001CA can replace the NE555 in high-temperature applications where CMOS advantages matter: wider supply range (3–18 V vs 4.5–16 V), lower quiescent current (≤1 µA vs ~600 µA), and guaranteed operation to +125°C. However, it lacks built-in discharge transistors and requires external R/C for timing - so direct substitution requires circuit redesign. That functional distinction defines the 8102001CA's role as a precision, low-power alternative rather than a drop-in NE555 clone.