Back to List

Bare Die Data Sheet: 74HC161


The 74HC161 programmable 4–bit asynchronous binary counter features parallel load, asynchronous reset, ripple-carry output for cascading and count-enable controls.
The device directly replaces legacy National / Fairchild 74HC161, DM74HC161, Motorola MC74HC161A, RCA HARRIS INTERSIL 74HC161 and Texas Instruments CD74HC161, SN74HC161.
Features:
** END OF LIFE ** NOT RECOMMENDED FOR NEW DESIGN
  • Synchronous counting and loading
  • Two Count Enable Inputs for n-Bit Cascading
  • Asynchronous master reset
  • Look-Ahead Carry for High-Speed Counting
  • Output Drive Capability:  10 LSTTL loads
  • Outputs Directly Interface to CMOS, NMOS, and TTL
  • Operating Voltage Range: 2.0 to 6.0V
  • Low Input Current:  1.0µA
  • High Noise Immunity Characteristic of CMOS Devices
Vendor:
Silicon Supplies
  Electrical Datasheet

Die Physical Data:
Footprint: 3.315mm² (5138.266mil²)
X: 1950µm (77mil)
Y: 1700µm (67mil)
  Request Pad Layout

In Stock: Available on request
Product Families: Used for this device are tabulated below.
Functional:
  • I/P Level: CMOS
  • O/P Level: CMOS
  • Function: Binary, Decade Counter
  • Bits: 4
  • 3-State O/P: No
Specification:
VCC (Min): 2.00V
VCC (Max): 6.00V
fMIN @ VNOM: 28MHz
tpd (Max) @ VNOM: 39.0ns
ICC (Max) @ VNOM: 0.08mA
Output Drive (Max): 5.2mA
VNOM (Max): 6.0V
Other Detail: Important information for this device is tabulated below.
Traffic light setting for Minimum Order Quantity indicates the following:
  • Green:Available from stock or at low factory MOQ.
  • Amber: Available on factory order with MOQ.
  • Red: High factory MOQ may apply, please ask for details.
Traffic light setting for High Reliability indicates the following:
  • Green: This bare die is specified and tested for use in high reliability applications.
  • Amber: This bare die can meet higher reliability specifications with additional testing & qualification, please ask for details.
  • Red: This bare die is not specified or specifically designed for use in high reliability applications.
Traffic light setting for Space Grade indicates the following:
  • Green: This bare die is qualified for space applications or has space level qualification data, please ask for details.
  • Amber: This bare die can be specified for space applications with additional testing and qualification, please ask for details.
  • Red: Suitability of this bare die for space applications is unknown and requires further qualification, please ask for details.