Analog Devices Inc./Maxim Integrated DS1010-1000

Overview

DS1010-1000 from Dallas Semiconductor is a 10-tap all-silicon delay line with nominal total delay of 100 ns, ±5% or ±2 ns tolerance, TTL/CMOS-compatible input/output, and 5 V supply operation. It delivers precise leading and trailing edge delays across ten equally spaced taps and is used in digital timing alignment, pulse shaping, and clock deskewing circuits.

For engineers reviewing the DS1010-1000 datasheet, DS1010-1000 pinout, DS1010-1000 application, or DS1010-1000 equivalent, key selection criteria include tap-to-tap delay consistency (10 ns), output drive capability (10 × 74LS loads), temperature-stable delay shift (±2 ns or ±3% for TAP10 ≥100 ns), and DIP/SOIC package compatibility with legacy hybrid delay lines.

Technical Context

The DS1010-1000 implements a monolithic CMOS delay chain architecture with fixed propagation stages per tap, ensuring uniform inter-tap spacing (10 ns) and matched rising/falling edge delay accuracy. Its delay stability relies on process-controlled gate delays rather than external passive elements.

It operates within 0°C to 70°C ambient, requires 5.0 V ±5% supply, and maintains specified delay tolerance under load conditions up to 10 LS-TTL inputs per tap. Input pulse width must exceed 40% of TAP10 tPLH (i.e., ≥40 ns) for guaranteed timing accuracy.

Key Specifications

Pinout & Package

DS1010-1000 is available in both 14-pin DIP (300-mil) and 16-pin SOIC (300-mil) packages. Pin assignments differ between packages; the DIP version uses pins 1–14, while the SOIC version uses pins 1–16 with two additional NC pins.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar 10-tap delay line applications.

Compared with MC100EP195FA and IXDD614, the DS1010-1000 uniquely offers 100 ns total delay in a 5 V TTL/CMOS-compatible, pin-compatible DIP package - making it the only option supporting legacy board replacement and multi-step digital timing alignment without voltage translation or redesign.

Availability

DS1010-1000 is available at Aetrix Electronics and suitable for digital test equipment, industrial PLC timing, communications interface deskew, and legacy system interfacing requiring stable component supply and long-term obsolescence management.

Supply support for DS1010-1000 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

Dallas Semiconductor (now part of Maxim Integrated, then Analog Devices) specialized in precision timing, memory, and analog interface ICs for industrial and embedded applications.

The DS1010 series was designed specifically as a silicon-based replacement for hybrid delay lines - targeting cost-sensitive, high-reliability digital timing applications where pin compatibility and temperature-stable delay were mandatory.

FAQ

What is the exact delay tolerance specification for DS1010-1000?

The DS1010-1000 has a delay tolerance of ±5% or ±2 ns, whichever is greater, measured at TAP10 under standard conditions (25°C, VCC = 5.0 V). This applies to both tPLH and tPHL. At temperature extremes (0°C or 70°C), an additional ±2 ns or ±3% shift may occur due to process variation - documented in Note 5 of the datasheet.

Does DS1010-1000 support both through-hole and surface-mount assembly?

Yes, DS1010-1000 is offered in two package variants: 14-pin DIP (through-hole) and 16-pin SOIC (surface-mount). The DIP version matches legacy hybrid delay line footprints, while the SOIC reduces PCB area. Both are qualified for wave, IR, and vapor-phase soldering per manufacturer specifications.

Can DS1010-1000 drive modern logic families like 74LVC or 74AHC?

DS1010-1000 is rated to drive up to 10 × 74LS loads. While it can interface with 74LVC or 74AHC inputs, their lower input current (±20 µA vs. LS's ±0.4 mA) means fanout capability exceeds 10, but voltage-level compatibility remains valid. No level-shifting is needed since DS1010-1000 VOH/VOL meet LVC/AHC VIH/VIL thresholds at 5 V.

Is DS1010-1000 pin-compatible with hybrid delay lines such as MTD-100?

Yes - the DS1010-1000 in 14-pin DIP is explicitly designed as a pin-compatible replacement for industry-standard hybrid 100 ns delay lines like the MTD-100 series. Pin functions (IN, TAP1–TAP10, VCC, GND) map identically, enabling drop-in substitution without PCB modification.

What is the maximum operating frequency supported by DS1010-1000?

DS1010-1000 does not specify a maximum clock frequency. Instead, AC characteristics define minimum input pulse width (tWI ≥ 40% of TAP10 tPLH = 40 ns) and period (1 µs). Therefore, reliable operation is ensured up to ~1 MHz repetition rate; higher rates risk timing inaccuracy due to internal node settling limitations.