SN74LS644DW datasheet, PDF - EEWORLD Datasheet

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SN74LS644DW: DescriptionLS SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20, SO-20; Categorylogic logic; File Size863KB，9 Pages; ManufacturerRochester Electronics; Websitehttps://www.rocelec.com/

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SN74LS644DW Overview

LS SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20, SO-20

SN74LS644DW Parametric

Parameter Name	Attribute value
Is it lead-free?	Contains lead
Maker	Rochester Electronics
Parts packaging code	SOIC
package instruction	SO-20
Contacts	20
Reach Compliance Code	unknown
Other features	WITH DIRECTION CONTROL; INVERTED OUTPUTS PORT A TO B
series	LS
JESD-30 code	R-PDSO-G20
JESD-609 code	e0
length	12.8 mm
Logic integrated circuit type	BUS TRANSCEIVER
Humidity sensitivity level	NOT SPECIFIED
Number of digits	8
Number of functions	1
Number of ports	2
Number of terminals	20
Maximum operating temperature	70 °C
Minimum operating temperature
Output characteristics	OPEN-COLLECTOR
Output polarity	TRUE
Package body material	PLASTIC/EPOXY
encapsulated code	SOP
Package shape	RECTANGULAR
Package form	SMALL OUTLINE
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
propagation delay (tpd)	25 ns
Certification status	COMMERCIAL
Maximum seat height	2.65 mm
Maximum supply voltage (Vsup)	5.25 V
Minimum supply voltage (Vsup)	4.75 V
Nominal supply voltage (Vsup)	5 V
surface mount	YES
technology	TTL
Temperature level	COMMERCIAL
Terminal surface	TIN LEAD
Terminal form	GULL WING
Terminal pitch	1.27 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED
width	7.5 mm

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