Philips ComponentsSignetics Document No. | 853-1495 74AC/ACT11251 FONNo. | 00731 8-input multiplexer (3-State) Date of Issue | October 17, 1990 Status Product Specification ACL Products FEATURES QUICK REFERENCE DATA + Output capability: +24 mA CONDITIONS TYPICAL * CMOS (AC) and TTL (ACT) voltage SYMBOL PARAMETER Tamp = 25C; GND = OV; UNIT level inputs Voc = 5.0V Ac | ACT ve ar tery! i + 50Q incident wave switching ton Propagation delay C, = 50pF 3.9 55 ns n + Center-pin Veg and ground configu- ration to minimize high-speed switch- ae f = 1MHz; Enabled 55 60 : . C Power dissipation ing noise PD capacitance! pF * leo category: MS! C, = 50pF Disabled 13 16 Cin Input capacitance Vi= OV or Voc 35 | 35 pF DESCRIPTION Cour | Output ital Vo = OV or Voc; Disabled F The 74AC/ACT11251 high-performance Uipul capacitance a= OV oF Voc; Disable 8.0 | 80 | P CMOS devices combine very high Note: speed and high output drive compa- 1. Cp) is used to determine the dynamic power dissipation (P, in wW): rave to the most advanced TTL fami- Py= pp x Voe xf, +E (C, x Veo? x fo) where: les. f, = input frequency in MHz, C, = output load capacitance in pF, | . L . The 74AC/ACT11251 provides an 8-to-1 fo = output frequency in MHz, Vcg = supply voltage in V, multiplexer with three select lines and a Z(C, x Voc" xf) = sum of outputs common output enable. The state of the Select (S,) inputs determines the par- ORDERING INFORMATION omen. The Ovtput Enable (OS) rout PACKAGES TEMPERATURE RANGE ORDER CODE is active-Low. When OE is High, both 16-pin plastic DIP -40C to +85C 74AC11251 N the Y output and the Y output are in the (300mil-wide) 74ACT11251 High-impedance OFF state regardless 16-pin plastic SO 40C to +85C 74AC11251D of all other input conditions. (150mil-wide) 74ACT11251D The device is the logic implementation by the logic levels supplied to the Select of a single pole, 8 position switch where _ inputs. the position of the switch is determined PIN CONFIGURATION LOGIC SYMBOL LOGIC SYMBOL (IEEE/IEC) N and D Packages MUX 116 15 1413 1110 9 Litt it | | a Pe ee Pe o : b > om z a ols et a 419 oo q 7 8, 8-8, 16 2d cE 18 v m3 a ot ou ~< =a]o ala a ~ su OM PON = ON oa 178Philips ComponentsSignetics ACL Products Product Specification 8-input multiplexer (3-State) 74AC/ACT11251 LOGIC DIAGRAM PIN DESCRIPTION PIN NUMBER SYMBOL NAME AND FUNCTION 6,7,8 Sn Select inputs 2 OE Output enable input tain io. lo- Iz Data inputs 3,5 v Data outputs 4 GND Ground (QV) 12 Voc Positive supply voltage FUNCTION TABLE INPUTS OUTPUTS S| 8; S | OF | Y Y x X X H Z zZ L L L L lp To L L H L iF i L H L L lo I L H H L Ig 15 H L L L lg i, H L H L Is Is H H L L lg Te H H H L ly 1 October 17, 1990 173Philips ComponentsSignetics ACL Products Product Specification 8-input multiplexer (3-State) 74AC/ACT11251 RECOMMENDED OPERATING CONDITIONS 74AC11151 74ACT11154 SYMBOL PARAMETER UNIT Min Nom Max Min Nom Max Vee DC supply voltage 3.0' 5.0 5.5 45 5.0 5.5 Vy Input voltage 0 Voc 0 Veo Vo Output voltage 0 Veo Veo AtlAv Input transition rise or fall rate 0 10 0 10 ns/V Tamb Operating free-air temperature range -40 +85 -40 +85 C NOTE: 1. No electrical or switching characteristics are specified at Vo, < 3V. Operation between 2V and 3V is not recommended, but within that range, a device output will maintain a previously established logic state. ABSOLUTE MAXIMUM RATINGS" SYMBOL PARAMETER TEST CONDITIONS RATING UNIT Veo DC supply voltage -0.5 TO +7.0 Vv i 9 Vi<9 -20 IK DC input diode current mA or Vi> Veo 20 V DC input voltage -0,5 to Von +0.5 V | 9 Vo<0 -50 OK DC output diode current mA or Vo > Vec 50 Vv DCoutput voltage -0.5 to Veg +0.5 v DC output source or I Vo = Oto V, sink current per output pin o o Moc +50 mA loc DC Veg current +100 or mA leno DC ground current +100 Tstq Storage temperature -65 to 150 C Power dissipation per package Above 70C; derate linearly by 8mW/K 500 mw Prat Power dissipation per package . Plastic surface mount (SO) Above 70C; derate linearly by 8mW/K 400 mW NOTES: 1, Stresses beyond those listed 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 notimplied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. 2. The input and output voltage ratings may be exceeded if the input and output current ratings are observed. October 17, 1990 180Philips ComponentsSignetics ACL Products Product Specification 8-input multiplexer (3-State) 74AC/ACT11251 DC ELECTRICAL CHARACTERISTICS 74AC11251 74ACT11251 - 9, Tamb = 40C ~< 0 Tamb = 40C SYMBOL PARAMETER TEST CONDITIONS | Veg | Temp = +25C to 485C | lamb = 25C To 495C. | UNIT v Min | Max | Min | Max | Min | Max | Min | Max 3.0 | 2.10 2.10 High-level v IH input voltage 45 | 3.16 3.15 2.0 2.0 Vv 5.5 | 3.85 3.85 2.0 2.0 3.0 0.90 0.90 Low-level Vv, IL input voltage 45 1.35 1.35 0.8 0.8 v 5.6 1.65 1.65 0.8 0.8 3.0 2.9 2.9 lou = -S0pA 45 | 4.4 4.4 4.4 44 5.5 | 5.4 5.4 5.4 5.4 High-level Vi= Vi = Vv tow = -4mA 3.0 | 2. 2.48 oH output voltage or Vi, [|_O# 2.58 V 45 | 3.94 3. 3.94 3.8 low = -24mA 8 .5 | 4.94 48 4.94 4.8 loy =-75mA' | 5.5 3.85 3.85 3.0 0.1 0.1 lol = 50WA 4.5 0.1 0.1 0.1 0.1 5.5 0.1 0.1 0.1 0.4 Low-level WeVi fq. e 12mA = 3. . 44 Vou output voltage or Vy, [Ob 0.36 v 5 . 44 36 0.44 lo. = 24mA 4 0.36 0.4 0.3 5.5 0.36 0.44 0.36 0.44 lop = 75mA1 | 5.5 1.65 1.65 I; Inputleakage current | V) = Voc or GND 55 t0.1 +1.0 +0.1 +10] pA 3-State output Vv = Vit or Vin | oz off-state current Vo= Veco or GND 56 40.5 5.0 #05 5.0) HA Quiescent supply Vi = Veo or GND, Ico curent lo = OMA 5.5 8.0 80 8.0 80 Supply current, One input at 3.4V, other Alco | TTL inputs High? inputs at Veg or GND 5.5 0.9 1.0 | ma NOTES: 1. Not more than one output should be tested at a time, and the duration of the test should not exceed 10ms. 2. This is the increase in supply current for each input that is at one of the specified TTL voltage levels rather than OV or Vo. October 17, 1990 181Philips ComponentsSignetics ACL Products Product Specification 8-input multiplexer (3-State) 74AC/ACT11251 AC ELECTRICAL CHARACTERISTICS AT 3.3V +0.3V 74AC11251 Tamb = -40C to SYMBOL PARAMETER WAVEFORM Tamp = +25C +85C UNIT Min Typ Max Min Max teu Propagation delay ' 2.2 6.3 8.2 2.2 9.0 ns tPHL I, to 2.0 6.1 8.0 2.0 8.8 tel Propagation delay { 1.7 5.7 7.5 1.7 8.2 ns teHL I, to 21 6.3 8.2 2.1 9.4 tein Propagation delay 2.6 8.1 10.8 2.6 12.4 1 ns teu S,toY 2.8 8.3 10.8 2.8 11.9 TPL Propagation delay ' 26 79 | 102 | 26 11.3 ns tpHL S,toY 2.5 8.0 10.8 2.5 12.1 tezy Propagation delay 2 1.3 41 5.7 1.3 6.1 as tez. OE to Y 1.6 4.9 6.6 1.6 7.2 tzu Propagation delay 9 12 | 40 | 55 12 | 59 ns tezi OE to 1.5 4.8 6.5 15 7.1 tpHz Propagation delay 2 29 45 5.9 2.9 6.1 ns tpiz OE to Y 27 47 6.3 27 6.6 tenz Propagation delay 2 29 | 45 | 59 | 29 | 62 ns tez OE to 2.8 4.7 6.3 2.8 6.6 AC ELECTRICAL CHARACTERISTICS AT 5.0V +0.5V 74AC11251 T, = -40C to SYMBOL PARAMETER WAVEFORM Tab = +25C am 85C UNIT Min Typ Max Min Max tec Propagation delay 1.8 4.0 5.9 1.8 6.5 ns teHL I,to 1 1.7 3.8 57 17 6.3 tein Propagation delay 1.4 3.5 5.4 1.4 5.8 ns teu Into ' 17 44 5.9 1.7 6.6 tein Propagation delay 2.2 5.3 75 22 8.3 ng ten S,toY i 2.4 5.0 7.5 2.4 8.4 tel Propagation delay 2.1 4.7 7A 2.1 7.9 ns teu S,to 1 2.2 5.4 75 2.2 8.5 tezH Propagation delay 1.0 27 4.4 1.0 4.7 ns tez, DE WY e 1.3 3.1 4.8 1.3 5.2 tpzH Propagation delay 1.0 26 4.3 1.0 4.6 ns tea OE to 2 1.2 3.0 4.7 1.2 5.1 teyz Propagation delay 2.8 4.2 5.6 2.8 5.9 ns tez GE to Y 2 26 4.2 8.7 2.6 6.0 tpuz Propagation delay 2.8 43 5.7 2.8 6.0 ng tez OE to 2 27 42 5.7 2.7 59 October 17, 1990 182Philips ComponentsSignetics ACL Products Product Specification 8-input multiplexer (3-State) 7T4AC/ACT11251 AC ELECTRICAL CHARACTERISTICS AT 5.0V +0.5V 74ACT11251 SYMBOL PARAMETER WAVEFORM Tam = +25C Tame = anc te UNIT Min Typ Max Min Max teLH Propagation delay 1 3.0 5.7 7.8 3.0 8.7 ns teHL I, to 2.0 5.2 7.9 2.0 8.6 tel Propagation delay 1 1.7 4.7 7.1 1.7 7.8 ns tent Into Y 27 5.4 7.2 27 8.0 teLH Propagation delay 1 3.2 6.8 10.2 3.2 11.4 ns teHL S,to 27 6.7 95 2.7 10.5 tty Propagation delay { 2.5 6.3 8.8 2.5 9.8 ns tent S,toY 2.8 6.3 9.7 2.8 10.8 tezy Propagation delay 2 1.3 3.7 6.2 1.3 6.8 ns tez OE to 1.3 4.0 6.0 1.3 6.8 tezH Propagation delay 2 1.0 44 6.4 1.0 7.0 ns tz. OE to 1.3 41 5.8 1.3 6.4 teyz Propagation delay 2 41 5.7 7.6 4.1 8.1 ns terz CE to 3.1 4.0 6.6 3.1 6.9 teuz Propagation delay > 4.1 5.7 7.7 41 8.2 ns teiz CE toY 3.2 44 66 3.2 69 AC WAVEFORMS OE INPUT SF, INPUTS A Y OUTPUT , YOUTPUTS ov ouTPUT Waveform 1. Waveforms Showing the Data inputs UR and Waveform 2. Waveforms Showing the Output Enable Input Select Input (S,) io Output (Y, Y) Propagation Delays (OE) to Output (Y, ) Propagation Delays October 17, 1990 183Philips ComponentsSignetics ACL Products Product Specification 8-input multiplexer (3-State) 74AC/ACT11251 WAVEFORM CONDITIONS INPUTS OUTPUTS Vin = GND to Veco: AC Vout = Vor to V, Vig = 50% Voc out = You OH Vin = GND to 3.0V, ACT Vy = 50% Voc Vu = 1.5V TEST CIRCUIT PULSE lan e GENERATOR Test Circuit TEST $1 DEFINITIONS C_= Load capacitance, 50pF; includes jig trun PHL Open and probe capacitance tera/t pa 2"Vec R= Load resistor, 5000 t pyz/t pz GND Ryr= Termination resistance should be equal to Zour of pulse generators SWITCH POSITION Input pulses: PRRs 10MHz th = t= 3ns October 17, 1990 184