AM2922 AMD | Alldatasheet
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Technical content
Eight Input Multiplexer with Control Register DISTINCTIVE CHARACTERISTICS © High speed eight-input multiplexer ‘© Three-state output for expansion ‘© On-chip Multiplexer Select and Polarity Control Register. © Common register enable, asynchronous register clear © Output polarity control for inverting or non-inverting © AC parameters specified over operating temperature output and power supply ranges GENERAL DESCRIPTION The Am2922 is an eight-input Multiplexer with Control flop output causes a true (non-inverting) multiplexer output, Register. The device features high speed from clock to _and a LOW causes the output to be inverted. In a computer ‘output and is intended for use in high speed computer control unit, this allows testing of either true or complemen- control units or structured state machine designs. ted flag data at the microprogram sequencer test input. A ontains 1 holds os Pea. on er anoe ee well as the POL. AP active LOW Multiplexer Enable input (WE) allows the * selected multiplexer input to be passed to the output. When (Polarity) control bit. When the Register Enable input (RE) is LOW, new data is entered into the register on the LOW: ME is HIGH, the output is determined only by the Polarity to-HIGH transition of the clock. When FE is HIGH, the — Contot bit. register retains its current data. An asynchronous clear input (CLR) is used to reset the register to a logic LOW The Am2922 also features a three-state Output Enable level. control (OE) for expansion. When OE is LOW, the output is . enabled. When OE is HIGH, the output is in the high The A, B and C register outputs select one of eight impedance state. multiplexer data inputs. A HIGH on the Polarity Control flip- BLOCK DIAGRAM =». & SS »_[-EeED 2 teeep »_LELEEED . JED? De Ss } : Ppl . ELD “ jan= LT EEED a rs ce eee ey AiA|A)A4 1} 1 I logs ‘80002610 096008 5-203 Fifer to Page 13 or Essonal formaton on Mitary Devices
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2 CONNECTION DIAGRAM
—E Top View P-20 20-4 0-20 ad b ve wuste aq Do ggg ad Ho ao a. aq Bo h ca eq ba & Oa dq by ob =a ed ba aq 1% “a Ge mq bo AAAAA oo he epece ‘eD004610 co004720 Note: Pin 1 is marked for orientation F-20 pin configuration identical to D-20, P-20. LOGIC SYMBOL METALLIZATION AND PAD LAYOUT 2 af ue 712 PHO OAL, eee) poo i np? Bt all al val —: of» as » — ue eee s—e re mw eer . DoS fie CO E] =! ~ Ls00} = Oar - 1 09 me ces or eo = 2h 0G + 3 J 6 oF DIE SIZE 0.000" x 0.099"
ORDERING INFORMATION
AMD products are available in several packages and operating ranges. The order number is formed by a combination of the following: Device number, speed option {if applicable), package type, operating range and screening option (if desired). amaz2 DB _ Screening Option PO Blank - Standard processing DC, DCB, DM, B - Burn-in DMB Temperature (See Operating Range) Am2922 FM, FMB -Commercial (0°C to + 70°C) Le ce, LM, M —-Milit (-55° 125° ilitary (-55°C to +125°C) xox Package D-20-pin CERDIP F-20-pin flatpak L-20-pin leadless chip carrier P-20-pin plastic DIP X- Dice Valid Combinations Consult the AMD sales office in your area to Device type determine if a device is currently available in the 8-Input Multiplexer combination you wish. 096008
5.204 Fate Page 12:1 fr Esser Infomation on Mitry Oovices
- n [Pim we. [Name [VO [Deverpton [ines JAB. © | 1 | Mittptoxor Soict Lines, One of eight mulploner data mpuls i selected by the A. 8 and C register opus. a eee Polarity Control Bit A HIGH register output causes a true (non-inverted) output and a LOW causes the output to be: rome Tapes Ejata When {OW analog re Onl mliaxer Wren IGA. ra Vupuedeterrinod By Oy Waray Catoa oe Fapuie ase When LOW, Waar Sons and Poy Cont Roget Ts eabled ong. tar oe eee [eRe LOW esynerronousy rsets the Multplover Siet and Polariy Contol Register, [Joos Yaa rte toe Opt malig 7 Clock Pulse. When FE is LOW, the Multiplexer Select and Polarity Control Register changes state on the LOW-to- HIGH transition of CP. [ye [8 Tott Ena. When LOW, tho ouput ls enabled, Whon HIGH, the ouiput fein the high impedance eat, a wee BA SO rr tot x H z ee ee ee ee ee t L q u/H L H 1 L Lt L UH L L Bo/Do cot oW cot oH Dy0; L H L L H t B2/De tc oH oH tc oH oA D3 /D3 H L L H L L D4/Da H L H H L H Os/Ds, H H t H H L De/D6 H H H H H H B7/07 OE mer tp tT te Te eRe tt The Output ors NC = No Change Note 1: The output wil follow the selected input. Dj, or its complement depending on the state of the POL flip-flop: Cre eee as + tah Tartion 2 = High-Impedance 096008 5-205 Reler to Page 13-1 for Essential informason on Military Devices:
3 APPLICATIONS
: | wermucron rd oat meat swcpomnoannt , ams cme . % ‘om | > e snanss ‘ hare) rection : cs a : i, Se es ew Es T_T whit ee es 2 ee | emen [TTT t og R aroo1s40 A versatile one-of-sixteen Test Select with Polarity Control and Test Select Hold. (096008
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ABSOLUTE MAXIMUM RATINGS. OPERATING RANGES 3 DC Voltage Applied to Outputs For Military (MM) Devices _ * DC Input Current ..v.sseesscessssssseseeeeeee=GOMA tO +5,0MA device is guaranteed, Stresses above those listed under ABSOLUTE MAXIMUM RATINGS may cause permanent device failure. Functionality at or above these limits is not implied. Exposure to absolute maximum ratings for extended periods may affect device reliability. DC CHARACTERISTICS over operating range unless otherwise specified Tye Description Test Conditions (Note 2) (Note 1) eT 5 Veuwn Von __| Ovo HH Voss ent, Gate ee Yoon | [oes eon P| vou | ont 1oW vege yer vote a ee A Garand ed apt HR [me fwnmoniom «grea eo [| ae ee a rz Currie st gen LW (== eee Boe ret ap vane toe a | sep [ESE RE ore ese Yeo = a [mw —_ [nee me ren eu oxsemcmenp [=| Sm THESE RE a Yers bexe crore pe casun vamp Vyneyae posear it a co Hose See Eee Ome , [ee [prem [icomme | we Tf me | m Fost aay Sat : rec ae man To Tipe i ga VSD 0, LG ATE Se TO sag uncer Opry ans fe ape dove Yom
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- Dy, A, B,C, POL, ME at Gnd. All other inputs and outputs open. Measured after a momentary ground then 4.5V applied to clock a oo0o08 ser tt 191 ne ano ty Dr
e 2 SWITCHING CHARACTERISTICS (Ta = +25°C, Voc = 5.0V) [Parameters | __Deseripton [| Test Conatione | wn | typ | wax | unto | ee at = ¥ POL-H Coe 10 Y FOLTHGH es He—jaer ae es ce re = 1506 Lee [om | Derrey a a [au | gewy ee a [em | a Pee | oe wy [ee] i-— a eee Fun 201s [0 7] ee Let+—t~ * | Ps a O4= 150F sr had | a a A S ee SWITCHING CHARACTERISTICS over operating range unless otherwise specified* ‘COMMERCIAL MILITARY Am2922 Am2922 Test Conditions [min [Max | Min [Max | tet ey. | POL-LOW cere a Le [ee] Obek to ¥ POL-HIGH ec Tea x= S0pF a a ea eee erty a reer Et * | re | [x tet re. | [m1 oewy a = 509F Par ey. | Am 2048 rs ec . PEP ter | ee a = Sop a [ea Ry = 2048 Pete. | ~ [Gear wow cc a “Switching Characteristics’ performance over the operaling temperature rango is guaranteed by testing defined in Group A, Subgroup 9. 036008 ‘$-208 Rater to Page 13-1 for Essential information on Miltary Devices:
LOW-POWER SCHOTTKY INPUT/OUTPUT CURRENT INTERFACE CONDITIONS 3 nna OUTPUT orven rut 8 Yee L | J - 00098 Note: Actual current flow direction shown.
RELATED PRODUCTS
[Part Wo. [Description | [amzaes | @input Maltiploxer | 036008 5-209 fatto Pag 19: for Esra norton on itary Devos