AM74S350 AMD | Alldatasheet
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Four-Bit Shifter With Three-State Outputs Distinctive Characteristics © 6.5ns typical data propagation delay. © Shifts 4-bits of data to 0, 1, 2 or 3 places under con- trol of two select lines. © 100% reliability assurance testing in compliance with © Three-state outputs for bus organized systems. MIL-STD-883. FUNCTIONAL DESCRIPTION Locic symBoL The AmS4S/74S350 is @ combinatorial logic circuit that ac- cepts a four-bit data word and shifts the word 0, 1, 2 or 3 12545 6 7 places. The number of places to be shifted is determined by a two-bit select field Sp and S,. An active-LOW enable controls Liste a the three-state outputs. This feature allows expansion of an shifting over a larger number of places with one delay. 150 By suitable interconnection, the Am54S/74S350 can be used Boor to shift any number of bits any number of places up or down. ad ee Shifting can be logical, with logic zeroes pulled in at either or both ends of the shifting field; arithmetic, where the sign bit so 4 op on is repeated during a shift down; or end around, where the Vee Pin 16 data word forms a continuous loop. GND Pins LOGIC DIAGRAM a a 1 oo Bk 4 Ps 6 O& V V V — ae ¥ | ¥ SS a OS if if (fi fe ee a Poti Ho | yt ah a a 8 2 0 nh CONNECTION DIAGRAM Top View Voc Yo M1 HE Ye Ys SS ooonnonnn we aon on wo % > 3 4s 67 et COU Gilat eh a a we Note: Pin 1 is marked for orientation 4112
MAXIMUM RATINGS (Above which the useful life may be impaired) Storage Temperature ee ee . —65°C to +150°C Temperature (Ambient) Under Bias ee —55°C to +125°C ‘Supply Voltage to Ground Potential (Pin 16 to Pin 8) Continuous ee oe -0,5V to +7 V DC Voltage Applied to Outputs for High Output State ee =0.5V to +Vo¢ max. DC Input Voltage —0.5 V to +5.5V DC Output Current, Into Outputs _30mA DC Input Current —30 mA to +5.0 mA ELECTRICAL CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (Unless Otherwise Noted) SN74S350 Tar OC tw +70°C Vec = 5.0V £5% (COM'LI MIN, = 4.75V MAX, = 5.25V SN54S350 Ta = 88°C to +125°C Vee = 5.0V #10% (MIL) MIN. = 4.5V, MAX, = 5.5V Parameters Description Test Conditions (Note 1) Min. Typ.(Note 2) Max. Units Vec=MIN. MIL, ion = -2ma za] 34 id Output HIGH Vote MILJoH=-2ma__| 24 Volts [vo | " a Vin= Viner Vit_{COW'L, lon= -65mA| 24 Vee = MIN Tox *20mA v Output LOW Voltage Vols ot Van = Vid oF Vie aput Guaranteed input logical HIGH felts Guaranteed input logical LOW vie Input Low Leet | Guan put Volts vi Input Clamp Voltage “Vee = MIN., fin = —18mA, [12 | vols Unit Load Unit Load : Off State (High Impedance) aM Vo = 24V _~«d A Output Current Woo" MAX: [vgsasy fo] [i [input ian curent Vee WaXVin=S8V | iY Output Short Gireit Current [sc | Out Vee = MAX., Vour = 0.0V 40 =100 | ma = —— Vee = MAX., All outputs open, ~~ | cc | Power Supply Current Yoce MAX as | oma Notes 1, For conditions shown ar MIN. or MAX, use the appropriate value speciied under Electrical Gheractrlstes forthe applicable device type. 2. Typical limits are at Veg = 5.0V, 25°C ambient and maximum loading, Switching Characteristics (Ta = +25°C) Parameters Description Test Conditions Min. Typ. Max. Units [tH | bata mput 10 Ourour es a re ee Vee = 50V, Cy = 159F, R= 2808 a rr [tz | aE rs Output Control SE to Output “ 4-113