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Partno	Mfg	Dc	Qty	Available	Descript
HEF4049BD	PHI	N/a	20	avai	HEX inverting buffers
HEF4049BD	PH	N/a	30	avai	HEX inverting buffers
HEF4049BD	PHILIPS	N/a	15	avai	HEX inverting buffers
HEF4049BP	PHILIPS	N/a	320	avai	HEX inverting buffers
HEF4049BT	PHILIPS ?	N/a	49376	avai	HEX inverting buffers
4049B	*	N/a	120	avai	HEX inverting buffers

HEF4049BT ,HEX inverting buffersLogic diagram (one gate).APPLICATION INFORMATIONSome examples of
HEF4050BD ,HEX non-inverting buffersINTEGRATED CIRCUITSDATA SHEETFor a complete data sheet, please also download:• The IC04 LOCMOS HE40 ..
HEF4050BP ,Hex non-inverting buffersINTEGRATED CIRCUITSDATA SHEETFor a complete data sheet, please also download:• The IC04 LOCMOS HE40 ..
HEF4050BT ,HEX non-inverting buffersINTEGRATED CIRCUITSDATA SHEETFor a complete data sheet, please also download:• The IC04 LOCMOS HE40 ..
HEF4051BD ,8-channel analogue multiplexer/demultiplexer
HEF4051BD ,8-channel analogue multiplexer/demultiplexer
HM621400HJP-12 , 4M High Speed SRAM (4-Mword x 1-bit)
HM6216255HCTT-10 , 4M High Speed SRAM (256-kword x 16-bit)
HM6216255HJP-10 , 4M high Speed SRAM (256-kword x 16-bit)
HM6216255HJP-15 , 4M high Speed SRAM (256-kword x 16-bit)
HM6216255HLJP-10 , 4M high Speed SRAM (256-kword x 16-bit)
HM6216255HLJP-12 , 4M high Speed SRAM (256-kword x 16-bit)

4049B-HEF4049BD-HEF4049BP-HEF4049BT
HEX inverting buffers

Philips Semiconductors Product speciﬁcation
HEX inverting buffers HEF4049B
buffers
DESCRIPTION
The HEF4049B provides six inverting buffers with high
current output capability suitable for driving TTL or high
capacitive loads. Since input voltages in excess of the
buffers’ supply voltage are permitted, the buffers may also
be used to convert logic levels of up to 15 V to standard
TTL levels. Their guaranteed fan-out into common bipolar
logic elements is shown in the table below.
Guaranteed fan-out in common logic families
APPLICATION INFORMATION
Some examples of applications for the HEF4049B are: LOCMOS to DTL/TTL converter HIGH sink current for driving 2 TTL loads HIGH-to-LOW level logic conversion
Input protection
FAMILY DATA, IDD LIMITS category BUFFERS
See Family Specifications
HEF4049BP(N): 16-lead DIL; plastic (SOT38-1)
HEF4049BD(F): 16-lead DIL; ceramic (cerdip) (SOT74)
HEF4049BT(D): 16-lead SO; plastic (SOT109-1)
( ): Package Designator North America
Philips Semiconductors Product speciﬁcation
HEX inverting buffers HEF4049B
buffers
DC CHARACTERISTICS
VSS= 0 V; VI =VSS or VDD
Philips Semiconductors Product speciﬁcation
HEX inverting buffers HEF4049B
buffers
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