© 2002 Fairchild Semiconductor Corporation DS005971 www.fairchildsemi.com
October 1987
Revised April 2002
CD4049UBC • CD4050BC Hex Inverting Buffer • Hex Non-Inverting Buffer
CD4049UBC • CD4050BC
Hex Inverting Buffer •
Hex Non-Inverting Buffer
General Description
The CD4049UBC and CD4050BC hex buffers are mono-
lithic complementary MOS (CMOS) integrated circuits con-
structed with N- and P-channel enhancement mode
transistors. These devices feature logic level conversion
using only one supply voltage (V
DD
). The input signal high
level (V
IH
) can exceed the V
DD
supply voltage when these
devices are used for logic level conversions. These
devices are intended for use as hex buffers, CMOS to DTL/
TTL converters, or as CMOS current drivers, and at V
DD
=
5.0V, they can drive directly two DTL/TTL loads over the
full operating temperature range.
Features
■ Wide supply voltage range: 3.0V to 15V
■ Direct drive to 2 TTL loads at 5.0V over full temperature
range
■ High source and sink current capability
■ Special input protection permits input voltages greater
than V
DD
Applications
• CMOS hex inverter/buffer
• CMOS to DTL/TTL hex converter
• CMOS current “sink” or “source” driver
• CMOS HIGH-to-LOW logic level converter
Ordering Code:
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Connection Diagrams
Pin Assignments for DIP
CD4049UBC
Top View
CD4050BC
Top View
Order Number Package Number Package Description
CD4049UBCM M16A 16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150" Narrow
CD4049UBCN N16E 16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide
CD4050BCM M16A 16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150" Narrow
CD4050BCN N16E 16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide
