Nexperia USA Inc. 74HC4040D,653

Overview

74HC4040D,653 from Nexperia is a 12-stage asynchronous binary ripple counter IC with CMOS logic, operating from 2.0 V to 6.0 V supply, featuring a HIGH-to-LOW clock edge-triggered input (CP), active-HIGH asynchronous master reset (MR), and twelve buffered Q0–Q11 outputs. It delivers 98 MHz maximum clock frequency at VCC = 6.0 V and CL = 50 pF, and is rated for operation from −40 °C to +125 °C in SO16 package. Used in precision frequency division and timing control circuits where low-power, high-noise-immunity counting is required.

For engineers reviewing the 74HC4040D,653 datasheet, 74HC4040D,653 pinout, 74HC4040D,653 application, or 74HC4040D,653 equivalent, this page provides verified functional identity, SO16 pin mapping, ripple counter timing behavior, thermal derating data, and validated drop-in alternatives for industrial timing and control designs.

Technical Context

This device implements a cascaded chain of twelve static toggle flip-flops, advancing state only on the HIGH-to-LOW transition of CP. Each stage drives the next via its Q output, resulting in inherent ripple propagation delay - e.g., 8 ns (typ) from CP to Q0 and 6 ns (typ) between adjacent Qn→Qn+1 stages at VCC = 6.0 V.

The MR input forces all outputs LOW asynchronously and independently of CP timing, with tPHL(MR→Qn) = 31 ns (typ) at VCC = 6.0 V. Input clamp diodes allow safe interfacing to voltages exceeding VCC when used with current-limiting resistors, and the device complies with JESD7A (2.0–6.0 V) and JEDEC ESD standards (HBM >2000 V, CDM >1000 V).

Key Specifications

Pinout & Package

74HC4040D,653 is supplied in SO16 (SOT109-1) plastic small outline package: 16-pin, 3.9 mm body width, gull-wing leads, standard JEDEC MS-012 footprint.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar 12-bit asynchronous counter applications.

Compared with 74HC4040D,653, the 74HCT4040D,653 offers easier interfacing to legacy 5 V TTL sources but sacrifices 26 MHz peak speed; the SN74HC4040DR improves current efficiency at the cost of reduced availability in high-reliability industrial lots.

Availability

74HC4040D,653 is available at Aetrix Electronics and suitable for industrial control panels, automotive body electronics, and medical timing modules requiring stable component supply across extended temperature ranges and multi-year production cycles.

Supply support for 74HC4040D,653 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

Nexperia is a global semiconductor expert headquartered in Nijmegen, Netherlands, specializing in high-volume, high-reliability logic, analog, and discrete components for industrial, automotive, and computing markets.

The 74HC4040 belongs to Nexperia's industry-standard HC logic family, designed specifically for robust, low-power digital timing functions in harsh environments where latch-up immunity and wide VCC tolerance are mandatory.

FAQ

What is the maximum clock frequency supported by 74HC4040D,653 at 125 °C?

At VCC = 6.0 V and Tamb = +125 °C, the maximum guaranteed clock frequency is 24 MHz, based on tpd(Qn→Qn+1) = 30 ns (max) and cumulative ripple delay across 12 stages. This ensures reliable divide-by-4096 operation with margin for PCB trace skew and load capacitance.

Can 74HC4040D,653 drive LEDs directly without current-limiting resistors?

No. While outputs can sink/source ±4 mA, driving even a single standard LED (20 mA typical) exceeds absolute maximum ratings. A series resistor (e.g., 330 Ω at 5 V) is mandatory to limit current to ≤4 mA per output and prevent latch-up or parametric shift.

Is the master reset (MR) input debounced internally?

No. MR is a purely asynchronous, unfiltered digital input. External RC filtering (e.g., 10 kΩ + 100 nF) is required if connected to mechanical switches or noisy control lines to prevent spurious resets during contact bounce or EMI transients.

Does 74HC4040D,653 support hot insertion or live swapping?

No. The device lacks bus-hold or Ioff protection. Powering VCC while inputs are biased violates Absolute Maximum Ratings (VI > VCC + 0.5 V). Always sequence VCC before applying signals, and use series resistors on CP/MR if hot-swap capability is required.