(cid:1)(cid:2)(cid:3)(cid:4)(cid:5)(cid:6)(cid:7)(cid:8)(cid:9)(cid:10)(cid:11)(cid:1)(cid:2)(cid:12)(cid:4)(cid:5)(cid:6)(cid:7)(cid:8)(cid:9) (cid:13)(cid:14)(cid:9)(cid:15)(cid:16)(cid:11)(cid:17)(cid:18)(cid:19)(cid:15)(cid:16)(cid:20)(cid:11)(cid:21)(cid:22)(cid:2)(cid:22)(cid:19)(cid:18)(cid:16)(cid:23)(cid:19)(cid:1)(cid:24)(cid:25)(cid:26)(cid:22)(cid:25)(cid:27)(cid:22)(cid:19)(cid:1) (cid:28) SDFS008A − D2932, APRIL 1986 − REVISED OCTOBER 1993 • Generates Either Odd or Even Parity for SN54F280B...J PACKAGE Nine Data Lines SN74F280B...D OR N PACKAGE • (TOP VIEW) Cascadable for N-Bits Parity • Package Options Include Plastic G 1 14 VCC Small-Outline Packages, Ceramic Chip H 2 13 F Carriers, and Standard Plastic and Ceramic NC 3 12 E 300-mil DIPs I 4 11 D Σ EVEN 5 10 C description Σ ODD 6 9 B These universal, monolithic, 9-bit parity GND 7 8 A generators/checkers feature odd and even outputs to facilitate operation of either odd or even SN54F280B...FK PACKAGE parity application. The word-length capability is (TOP VIEW) easily expanded by cascading. C C C The SN54F280B is characterized for operation H G NV F over the full military temperature range of −55°C to 125°C. The SN74F280B is characterized for NC 43 2 1 20 1918 E operation from 0°C to 70°C. NC 5 17 NC I 6 16 D FUNCTION TABLE NC 7 15 NC NO. OF INPUTS OUTPUTS Σ EVEN 8 14 C AA TTHHRRUU II 9 1011 12 13 THAT ARE HIGH Σ EVEN Σ ODD D D CA B 0, 2, 4, 6, 8 H L D N N O G 1, 3, 5, 7, 9 L H Σ NC − No internal connection logic symbol† 2k 8 A 9 B 10 5 C Σ EVEN 11 D 12 E 13 6 F Σ ODD 1 G 2 H 4 I †This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12. Pin numbers shown are for the D, J, and N packages. (cid:17)(cid:19)(cid:23)(cid:29)(cid:30)(cid:25)(cid:16)(cid:15)(cid:23)(cid:2) (cid:29)(cid:18)(cid:16)(cid:18) (cid:31)!"#$%&’(cid:31)#! (cid:31)( )*$$+!’ &( #" ,*-.(cid:31))&’(cid:31)#! /&’+0 Copyright  1993, Texas Instruments Incorporated (cid:17)$#/*)’( )#!"#$% ’# (,+)(cid:31)"(cid:31))&’(cid:31)#!( ,+$ ’1+ ’+$%( #" (cid:16)+2&( (cid:15)!(’$*%+!’( (’&!/&$/ 3&$$&!’40 (cid:17)$#/*)’(cid:31)#! ,$#)+(((cid:31)!5 /#+( !#’ !+)+((&$(cid:31).4 (cid:31)!).*/+ ’+(’(cid:31)!5 #" &.. ,&$&%+’+$(0 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 2−1 • POST OFFICE BOX 1443 HOUSTON, TEXAS 77251−1443

(cid:1)(cid:2)(cid:3)(cid:4)(cid:5)(cid:6)(cid:7)(cid:8)(cid:9)(cid:10)(cid:11)(cid:1)(cid:2)(cid:12)(cid:4)(cid:5)(cid:6)(cid:7)(cid:8)(cid:9) (cid:13)(cid:14)(cid:9)(cid:15)(cid:16)(cid:11)(cid:17)(cid:18)(cid:19)(cid:15)(cid:16)(cid:20)(cid:11)(cid:21)(cid:22)(cid:2)(cid:22)(cid:19)(cid:18)(cid:16)(cid:23)(cid:19)(cid:1)(cid:24)(cid:25)(cid:26)(cid:22)(cid:25)(cid:27)(cid:22)(cid:19)(cid:1) (cid:28) SDFS008A − D2932, APRIL 1986 − REVISED OCTOBER 1993 logic diagram (positive logic) 8 A 9 B C 10 5 Σ EVEN 11 D 12 E 13 F 6 Σ ODD 1 G 2 H 4 I Pin numbers shown are for the D, J, and N packages. 2−2 POST OFFICE BOX 65•5303 • DALLAS, TEXAS 75265 POST OFFICE BOX 1443 HOUSTON, TEXAS 77251−1443

(cid:1)(cid:2)(cid:3)(cid:4)(cid:5)(cid:6)(cid:7)(cid:8)(cid:9)(cid:10)(cid:11)(cid:1)(cid:2)(cid:12)(cid:4)(cid:5)(cid:6)(cid:7)(cid:8)(cid:9) (cid:13)(cid:14)(cid:9)(cid:15)(cid:16)(cid:11)(cid:17)(cid:18)(cid:19)(cid:15)(cid:16)(cid:20)(cid:11)(cid:21)(cid:22)(cid:2)(cid:22)(cid:19)(cid:18)(cid:16)(cid:23)(cid:19)(cid:1)(cid:24)(cid:25)(cid:26)(cid:22)(cid:25)(cid:27)(cid:22)(cid:19)(cid:1) (cid:28) SDFS008A − D2932, APRIL 1986 − REVISED OCTOBER 1993 absolute maximum ratings over operating free-air temperature range (unless otherwise noted)† Supply voltage range, V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5 V to 7 V CC Input voltage range (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −1.2 V to 7 V Input current range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −30 mA to 5 mA Voltage range applied to any output in the high state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5 V to V CC Current into any output in the low state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 mA Operating free-air temperature range: SN54F280B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −55°C to 125°C SN74F280B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to 70°C Storage temperature range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −65°C to 150°C †Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. NOTE 1: The input voltage ratings may be exceeded provided the input current ratings are observed. recommended operating conditions SN54F280B SN74F280B UUNNIITT MIN NOM MAX MIN NOM MAX VCC Supply voltage 4.5 5 5.5 4.5 5 5.5 V VIH High-level input voltage 2 2 V VIL Low-level input voltage 0.8 0.8 V IIK Input clamp current −18 −18 mA IOH High-level output current −1 −1 mA IOL Low-level output current 20 20 mA TA Operating free-air temperature −55 125 0 70 °C electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) SN54F280B SN74F280B PPAARRAAMMEETTEERR TTEESSTT CCOONNDDIITTIIOONNSS UUNNIITT MIN TYP‡ MAX MIN TYP‡ MAX VIK VCC = 4.5 V, II = −18 mA −1.2 −1.2 V VCC = 4.5 V IOH = −1 mA 2.5 3.4 2.5 3.4 VVOOHH VV VCC = 4.75 V, IOH = −1 mA 2.7 VOL VCC = 4.5 V IOL = 20 mA 0.3 0.5 0.3 0.5 V II VCC = 0, VI = 7 V 0.1 0.1 mA IIH VCC = 5.5 V, VI = 2.7 V 20 20 µA IIL VCC = 5.5 V, VI = 0.5 V −20 −20 µA IOS§ VCC = 5.5 V, VO = 0 −60 −150 −60 −150 mA ICC VCC = 5.5 V, VI = 0 26 35 26 35 mA ‡All typical values are at VCC = 5 V, TA = 25°C. §Not more than one output should be shorted at a time, and the duration of the short circuit should not exceed one second. POST OFFICE BOX 65•5303 • DALLAS, TEXAS 75265 2−3 POST OFFICE BOX 1443 HOUSTON, TEXAS 77251−1443

(cid:1)(cid:2)(cid:3)(cid:4)(cid:5)(cid:6)(cid:7)(cid:8)(cid:9)(cid:10)(cid:11)(cid:1)(cid:2)(cid:12)(cid:4)(cid:5)(cid:6)(cid:7)(cid:8)(cid:9) (cid:13)(cid:14)(cid:9)(cid:15)(cid:16)(cid:11)(cid:17)(cid:18)(cid:19)(cid:15)(cid:16)(cid:20)(cid:11)(cid:21)(cid:22)(cid:2)(cid:22)(cid:19)(cid:18)(cid:16)(cid:23)(cid:19)(cid:1)(cid:24)(cid:25)(cid:26)(cid:22)(cid:25)(cid:27)(cid:22)(cid:19)(cid:1) (cid:28) SDFS008A − D2932, APRIL 1986 − REVISED OCTOBER 1993 switching characteristics (see Note 2) VCC = 5 V, VCC = 4.5 V to 5.5 V, CL = 50 pF, CL = 50 pF, FROM TO RL = 500 Ω, RL = 500Ω, PARAMETER ((IINNPPUUTT)) ((OOUUTTPPUUTT)) TA = 25°C TA = MIN to MAX† UNIT ′F280B SN54F280B SN74F280B MIN TYP MAX MIN MAX MIN MAX tPLH 3.2 6.1 9 2.7 13 2.7 10 AAnnyy iinnppuutt ΣΣ EEVVEENN nnss tPHL 3.2 6.6 10 2.7 15 2.7 11 tPLH 3.2 6.1 9 2.7 14 2.7 10 AAnnyy iinnppuutt ΣΣ OODDDD nnss tPHL 3.2 6.6 10 2.7 14 2.7 11 †For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions. NOTE 2: Load circuits and waveforms are shown in Section 1. 2−4 POST OFFICE BOX 65•5303 • DALLAS, TEXAS 75265 POST OFFICE BOX 1443 HOUSTON, TEXAS 77251−1443

PACKAGE MATERIALS INFORMATION www.ti.com 14-Jul-2012 TAPE AND REEL INFORMATION *Alldimensionsarenominal Device Package Package Pins SPQ Reel Reel A0 B0 K0 P1 W Pin1 Type Drawing Diameter Width (mm) (mm) (mm) (mm) (mm) Quadrant (mm) W1(mm) SN74F280BDR SOIC D 14 2500 330.0 16.4 6.5 9.0 2.1 8.0 16.0 Q1 SN74F280BNSR SO NS 14 2000 330.0 16.4 8.2 10.5 2.5 12.0 16.0 Q1 PackMaterials-Page1

PACKAGE MATERIALS INFORMATION www.ti.com 14-Jul-2012 *Alldimensionsarenominal Device PackageType PackageDrawing Pins SPQ Length(mm) Width(mm) Height(mm) SN74F280BDR SOIC D 14 2500 367.0 367.0 38.0 SN74F280BNSR SO NS 14 2000 367.0 367.0 38.0 PackMaterials-Page2

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