DM74LS259WMX datasheet, PDF - EEWORLD Datasheet

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DM74LS259WMX: DescriptionD Latch, LS Series, 1-Func, Low Level Triggered, 8-Bit, True Output, TTL, PDSO16, 0.300 INCH, MS-013, SOIC-16; Categorylogic logic; File Size59KB，6 Pages; ManufacturerFairchild; Websitehttp://www.fairchildsemi.com/

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DM74LS259WMX Overview

D Latch, LS Series, 1-Func, Low Level Triggered, 8-Bit, True Output, TTL, PDSO16, 0.300 INCH, MS-013, SOIC-16

DM74LS259WMX Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Maker	Fairchild
Parts packaging code	SOIC
package instruction	SOP, SOP16,.4
Contacts	16
Reach Compliance Code	unknown
Other features	1:8 DMUX FOLLOWED BY LATCH
series	LS
JESD-30 code	R-PDSO-G16
JESD-609 code	e0
length	10.3 mm
Logic integrated circuit type	D LATCH
MaximumI(ol)	0.008 A
Number of digits	8
Number of functions	1
Number of terminals	16
Maximum operating temperature	70 °C
Minimum operating temperature
Output polarity	TRUE
Package body material	PLASTIC/EPOXY
encapsulated code	SOP
Encapsulate equivalent code	SOP16,.4
Package shape	RECTANGULAR
Package form	SMALL OUTLINE
method of packing	TAPE AND REEL
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
power supply	5 V
Maximum supply current (ICC)	36 mA
Prop。Delay @ Nom-Sup	35 ns
propagation delay (tpd)	35 ns
Certification status	Not Qualified
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 (Sn/Pb)
Terminal form	GULL WING
Terminal pitch	1.27 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED
Trigger type	LOW LEVEL
width	7.5 mm

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DM74LS259 8-Bit Addressable Latches

August 1986

Revised March 2000

DM74LS259

8-Bit Addressable Latches

General Description

These 8-bit addressable latches are designed for general

purpose storage applications in digital systems. Specific

uses include working registers, serial-holding registers,

and active-high decoders or demultiplexers. They are mul-

tifunctional devices capable of storing single-line data in

eight addressable latches, and being a 1-of-8 decoder or

demultiplexer with active-high outputs.

Four distinct modes of operation are selectable by control-

ling the clear and enable inputs as enumerated in the func-

tion table. In the addressable-latch mode, data at the data-

in terminal is written into the addressed latch. The

addressed latch will follow the data input with all unad-

dressed latches remaining in their previous states. In the

memory mode, all latches remain in their previous states

and are unaffected by the data or address inputs. To elimi-

nate the possibility of entering erroneous data in the

latches, the enable should be held HIGH (inactive) while

the address lines are changing. In the 1-of-8 decoding or

demultiplexing mode, the addressed output will follow the

level of the D input with all other outputs LOW. In the clear

mode, all outputs are LOW and unaffected by the address

and data inputs.

Features

8-Bit parallel-out storage register performs serial-to-par-

allel conversion with storage

Asynchronous parallel clear

Active high decoder

Enable/disable input simplifies expansion

Direct replacement for Fairchild DM9334

Expandable for N-bit applications

Four distinct functional modes

Typical propagation delay times:

Enable-to-output

Data-to-output

Clear-to-output

Fan-out

(sink current)

Typical I

22 mA

8 mA

(source current)

−0.4

18 ns

16 ns

17 ns

Address-to-output 21 ns

Ordering Code:

Order Number

DM74LS259M

DM74LS259WM

DM74LS259N

Package Number

M16A

M16B

N16E

Package Description

16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow

16-Lead Small Outline Intergrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide

16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide

Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.

DS006418

www.fairchildsemi.com

DM74LS259WMX Related Products

	DM74LS259WMX	DM74LS259MX	DM74LS259CW
Description	D Latch, LS Series, 1-Func, Low Level Triggered, 8-Bit, True Output, TTL, PDSO16, 0.300 INCH, MS-013, SOIC-16	D Latch, LS Series, 1-Func, Low Level Triggered, 8-Bit, True Output, TTL, PDSO16, 0.150 INCH, MS-012, SOIC-16	D Latch, LS Series, 1-Func, Positive Edge Triggered, 8-Bit, True Output, TTL, WAFER
Maker	Fairchild	Fairchild	Fairchild
Parts packaging code	SOIC	SOIC	WAFER
package instruction	SOP, SOP16,.4	0.150 INCH, MS-012, SOIC-16	DIE,
Reach Compliance Code	unknown	unknown	unknown
Other features	1:8 DMUX FOLLOWED BY LATCH	1:8 DMUX FOLLOWED BY LATCH	1:8 DMUX FOLLOWED BY LATCH
series	LS	LS	LS
JESD-30 code	R-PDSO-G16	R-PDSO-G16	X-XUUC-N16
Logic integrated circuit type	D LATCH	D LATCH	D LATCH
Number of digits	8	8	8
Number of functions	1	1	1
Number of terminals	16	16	16
Maximum operating temperature	70 °C	70 °C	70 °C
Output polarity	TRUE	TRUE	TRUE
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY	UNSPECIFIED
encapsulated code	SOP	SOP	DIE
Package shape	RECTANGULAR	RECTANGULAR	UNSPECIFIED
Package form	SMALL OUTLINE	SMALL OUTLINE	UNCASED CHIP
propagation delay (tpd)	35 ns	35 ns	32 ns
Certification status	Not Qualified	Not Qualified	Not Qualified
Maximum supply voltage (Vsup)	5.25 V	5.25 V	5.25 V
Minimum supply voltage (Vsup)	4.75 V	4.75 V	4.75 V
Nominal supply voltage (Vsup)	5 V	5 V	5 V
surface mount	YES	YES	YES
technology	TTL	TTL	TTL
Temperature level	COMMERCIAL	COMMERCIAL	COMMERCIAL
Terminal form	GULL WING	GULL WING	NO LEAD
Terminal location	DUAL	DUAL	UPPER
Trigger type	LOW LEVEL	LOW LEVEL	POSITIVE EDGE
Is it Rohs certified?	incompatible	incompatible	-
Contacts	16	16	-
JESD-609 code	e0	e0	-
length	10.3 mm	9.9 mm	-
MaximumI(ol)	0.008 A	0.008 A	-
Encapsulate equivalent code	SOP16,.4	SOP16,.25	-
method of packing	TAPE AND REEL	TAPE AND REEL	-
Peak Reflow Temperature (Celsius)	NOT SPECIFIED	NOT SPECIFIED	-
power supply	5 V	5 V	-
Maximum supply current (ICC)	36 mA	36 mA	-
Prop。Delay @ Nom-Sup	35 ns	35 ns	-
Maximum seat height	2.65 mm	1.75 mm	-
Terminal surface	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)	-
Terminal pitch	1.27 mm	1.27 mm	-
Maximum time at peak reflow temperature	NOT SPECIFIED	NOT SPECIFIED	-
width	7.5 mm	3.9 mm	-

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Shortcut: A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 AA AB AC AD AE AF AG AH AI AJ AK AL AM AN AO AP AQ AR AS AT AU AV AW AX AY AZ B0 B1 B2 B3 B4 B5 B6 B7 B8 B9 BA BB BC BD BE BF BG BH BI BJ BK BL BM BN BO BP BQ BR BS BT BU BV BW BX BY BZ C0 C1 C2 C3 C4 C5 C6 C7 C8 C9 CA CB CC CD CE CF CG CH CI CJ CK CL CM CN CO CP CQ CR CS CT CU CV CW CX CY CZ D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 DA DB DC DD DE DF DG DH DI DJ DK DL DM DN DO DP DQ DR DS DT DU DV DW DX DZ

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