AM25LS374A AMD | Alldatasheet
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Am25LS374A ¢ Am54LS/74LS374A Am25LS534 « Am54LS/74LS534 8-Bit Registers with Three-State Outputs DISTINCTIVE CHARACTERISTICS FUNCTIONAL DESCRIPTION © 8-bit, high-speed parallel registers The Am25LS374A and Am54LS/74LS374A are 8-bit registers © Positive, edge-triggered, D-type flip-flops built using advanced Low-Power Schottky technology. These © Buffered common clock and buffered common three-state | registers consist of eight D-type flip-tiops with a buffered common control clock and a buffered three-state output contro}. When the output @ Am25LS/54LS have Io, = 24mA over full military temperature enable (OE) input is LOW, the eight outputs are enabled. When range the OE input is HIGH, the outputs are in the three-state condition ® Am25LS devices offer the following improvements over The Am25LS/54LS/74LS534 provide the inverting version of the Am54/74LS same function. ~ Twice the fan-out over military range Input data meeting the set-up and hoid time requirements of the D © 100% product assurance screening to MIL-STD-883 inputs is transferred to the Y ouputs on the LOW-to-HIGH transi- requirements tion of the clock input. The device is packaged in a space-saving (0.3-inch row spacing) 20-pin package LOGIC DIAGRAM Am25LS/S4LS/74LS374A Es > ° 6 O4 05 2 °, cxo8x is b d | I i | t | Ly } o> cary oo oo cy oe oo cary V V VV VY VY ry ry VY Pane | Sy , % ‘s ‘ %s % 6 Ouputs Yo through Y7 are inverted on the Am25LS/54L8)/74L8534 CONNECTION DIAGRAM LOGIC SYMBOL Top View Voc Yr 7 26 Ye *s Os De Ya CF ,7 ya AoOnoNOoo oh De ee BO BRT Bp) By Bs Be On Py B> sna aca doe nobis aLSar4A bd ee ee No Ms te Na Me Ne Se CoOdodoUUUUU T GE YG Oy Yy Ya 8 Oe ¥y ND 25 6 B 2 5 wD Voc = Pia 20 Note: Pin 1 is marked for onentation. GND = Pin 10 ‘Ouputs Yo through Y; are inverted on the Am25LS/54LS/74LS534 Outputs Yo through Y7 are inverted on the Am25LS/S4LS/74LS534 2-70
ELECTRICAL CHARACTERISTICS
The Following Conditions Apply Unless Otherwise Specified DC CHARACTERISTICS OVER OPERATING RANGE We. Parameters Description Test Conditions (wore 1) Min. _(Note2)__-Max. Units IN= Vine Vit [low = =2.6ma, COWL 24) aa | Vou | Ouinur Low Voltage = Vor Volts Min = Min Vin ToT oama Guaranteed input logics - Vin | Inpur HIGH Lev! voltage forallinpute 20 voits “ Inpst Camp Votiage Nec TIN tInT “tem as ee | Mie | Input Low Curent Veco" MAX. Vin = 04 Pf nw fom | mw inpur HIGH Carers Woo = We VIN S270 Co fe " Input HIGH Current Vee * MAX., Vin = 7.0V on ma — ~ } ye — Off-State (High-Impedance! . Vo =0.4V 20 1 Voc = MAX. | vonesv - - ‘oz Output Current ce Vo=27V 30 uA 6c Ousput Short Cirewt Current | Yee ax 20 -_ ma (ote 3) Power Supply Current . ‘ce (Nowe 4) | Yeormax elem | lotes: 1. For conditions shown ws MIN, or MAX., use the appropriate value specified under Electrical Characteristics for the applicable device type 2. Typical limits are at Vee = 8.0V, 25°C ambient and maximum loading, 3. Not more than one output should be shorted at a time, Duration of the short circuit test shoulé not exceed one seconc. 4. All outputs open; al 0, inputs and OE = 4.5V, Apply momentary ground, then 4.5V to clock Input Am25LS ¢ AmS4LS/74LS MAXIMUM RATINGS (Above which the useful life may be impaired) —e“—«ceree itorage Temperature _ =65°C to +150°C Temperature (Ambient) Under Bias _ _ —55°C to +125°C iupply Voltage to Ground Potential Continuous =O.5V to +7.0V IC Voltage Applied to Outputs for High Output State _ =0.5V to #Vec max. 3C Input Voltage OO : —0.6V to #7.0V IC Output Current, Into Outputs __ _ _ 30mA IC Input Current =30mA to +5.0mA Am25LS ¢ AmS4LS/74LS LOW-POWER SCHOTTKY INPUT/OUTPUT CURRENT INTERFACE CONDITIONS RING oUTRUT OnIVEN MPU vee —— 1 i jou ] | | Lis | i ttK c! i t ir wal } i uma | 271
The Following Conditions Apply Unless Otherwise Specified: MIL Ta= 55°C 10 4128°C Veg = 5.0V 110% MIN, = 4.50V MAX. =5.50V DC CHARACTERISTICS OVER OPERATING RANGE Typ. Parameters Description Test Conditions (Note 1) Min. (Note 2) Max. Units Vou | ouput HIGH Vortse ee ee Vin= Vin orVit [ion ==26may comt |" 24 [sa [| Vou | Output Low Voitage vin= Vor Vi Volts TALS only, lou = 24mA Guaranteed input topical HIGH Vin (nput HIGH Level voltage for ali inputs 20 Votes 7 7 te © | Guarenteed input logical LOW mit __07 vit Input LOW Level See atinoun [eo J pi volts Vi | baput clamp Voltage Voe = MIN. ty = 18 Pf fas] Vt [| imomsomonen | veccumavmsoey ||| te | “ [ tmmrwoncomn | vecemmavmsary ||| “ ree ee ~ Ourous Current 1 VYo=24V es ee ee Output Short Cirevit Current | Yao = Max im ca (Nore 3} ee “ Power Supply Current . m (Nore 4) “ecows ” " Notes: 1, For conditions shown at MIN. or MAX., use the appropriate value specitied under Electrical Characteristics for the applicable device type 2. Typical limits are at Veg = 5.0V, 26°C ambient and maximum toading, DEFINITION OF FUNCTIONAL TERMS FUNCTION TABLE D; The D flip-flop data inputs. inpuTs | INTERNAL | OUTPUTS CP Clock Pulse for the register. Enters data on the LOw-to- | | FUNCTION SET Cock To] ai | Yi HIGH transition. | L NC z Yj The register three-state outputs. | 4 Ne z OE Output Control. An active- LOW three-state control used L 7 TL L L to enable the outputs. A HIGH level input forces the tputs to the high impedance (off) stat poap ti] ros " x outputs to the high imps re REGISTER H t L L z wit js # z He nicH NC = No Change L= Low Z = High impedance X= Don’t Care 1 = LOW.t0-HIGH transition 2-72
(Ty = +25°C, Veg = 5.0V) Am25LS AmS4LS/74LS Test Parameters Description Min Typ Max Min__‘Typ ‘Max _Units_Conditions [iH eck to ¥, fy Ty | Low a tpw Clock Pulse With ‘ Hse PN 2.00 os 2 a Da - eo [| = sora a Ww a a te | got [fe [| | a | BE wy rar] ao | | ©. = 5.09 (Note 2) Notes: 1. Per industry convention, fax is the worst case value of the maximum device operating frequency with no constraints on pulse width or duty oye. _ 2. Because of interlead capacitance the rising edge of OE is coupled Yo, thereby, increasing the apparent tj4z for Yo by 5ns for plastic package device and 10ns for Cerdip. The die geometry for Y, is the same as other outputs and no spec difference is required for users of dice. Am25LS ONLY Am25LS COM'L Am25LS MIL. SWITCHING CHARACTERISTICS Ta = Oto +70°C Te = -55 to +125°C OVER OPERATING RANGE Voc = 5.0V +5% 1c = 5.0V +10% Test fest Parameters Description Min Max ah, “yin Max Conditions [ teu Glock oY, age [= | ic — yey | | im Ty Low PN Pw lock Pulse Width t — ho ‘a ee [ot a» ft a | M2) BE t0 ¥; (note 2) 2 - 3 C= 5.09F b tz 7 (2s 28 AL= 6672 frmax Maximum Clock Frequency (Note 1) 30 "AC performance over the operating temperatuare range is guaranteed by testing defined in Group A, Subgroup 9. Note 2. Because of interlead capacitance the rising edge of OE is coupled into Yo, thereby, increasing the apparent tyz for Y, by 5ns for plastic package device and 10ns tor cerdip. The die geometry for Yo is the same as other outputs and no spec difference is required for users of dice.
ORDERING INFORMATION
Am25LS374A 74L $3744 Am25L8534 74LS534 Package Temperature Order Order Order Order Type Range Number Number Number Number Molded DIP Oto +70°C AM25LS374APC — SN74LS374AN — AM25LS534PC —SN74LS534N Hermetic DIP Oto +70°C AM25LS374ADC — SN74LS374AJ AM25LS534DC —SN74LS534J Dice 0 to +70°C AMR5LS374AXC — SN74LS374AX AM25LS534XC_——SN74LS534X Hermetic DIP —55°C to +125" | AM25LS374ADM = SNS4LS374AJ —- AM25LS534DM —SNS4LS534J Hermetic Flat Pak -55°C to +125°C += AM25LS374AFM SNS54LS374AW AM25LS534FM SNS4LS534W Dice 55°C to +125°C AM25LS374AXM SNS4LS374AX —- AM25LSS34XM_ ——SNBALS534X 2-73
METALLIZATION AND PAD LAYOUTS | Am25LS/54LS/74LS374A Am25LS/S4LS/74LS534 | vo 2 —1 a | Yo 2 = sy no 1 ——_—_ [11 ep GND 10 : no DIE SIZE 0.077" X 0.047" DIE SIZE 0.077" X 0.047
APPLICATIONS
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