s5165a580741E6 OCTOBER 1976-REVISED MARCH 1988 Complementary Outputs JOR W PACKAGE Direct Overriding Load(Data)Inputs Gated Clock Inputs (TOP VIEW) Parallel-to-Serial Data Conversion CL 20 description PAC clocked. Par ea Th de-clamped to minimize transmission-line effects, 3272019 eby simplifying system desigr Clockingisaccomplished througha 2-input positive outs high bits clocking and holding eithe nput 三 kinhibit input should be d to the high vel only while the Paral 话兰舌 outs are loade directh into the registe ogic symbolt of the SH/LD1 UNCTION TABLE CLK INH 2 C2/ CLK SER 121 H 3 4 5 91 H 6) 1D 1984 and EC e for D.J.N.and W package 2-521 POST OFFICE BOX 655012 DALLAS.TEXAS 75265
SN54165,SN54LS165A,SN74165,SN74S165A PARALLEL-LOAD 8-BIT SHIFT REGISTERS schematics of inputs and outputs EQUIVALENT OF EACH INPUT TYPICAL OF BOTH OUTPUTS -Vcc NPUT OUTPUT 2 'LS165A EQUIVALENT OF ALL OTHER INPUTS TYPICAL OF BOTH OUTPUTS TTL Devic 120 2 NOM NPU UTPU cck,ceRa:i19品N8N 2-522 A是
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SN54165,SN54LS165A,SN74165,SN74LS165A OMPUGRAPHIC TYP PARALLEL-LOAD 8-BIT SHIFT REGISTERS .RC OR ENIlIVAI typical shift,load,and inhibit sequences 111 k冂几冂冂冂冂冂T冂冂冂冂 CLOCK INHIBIT abh SERIAL INPUT SHIFT/LOAD 2 DATA TTL Devices OUTPUT OH 0 UTPUT Qj,- INHIBIT一十 SERIAL SHIFT- LOAD absolute maximum ratings over operating free-air temperature range(unless otherwise noted) Supply voltage,Vcc (see Note 1). Input voltage:SN54165,SN74165 。,。，。gg。gg。年。g。g,。年e；,年444。get年t。4。t0。0.4 SN54LS165A,SN74LS165A. Interemitter voltage(see Note 2). ,。g。,g。g。g。年。，tt,。，。+。，。4 Operating free-air temperature range:SN54165,SN54LS165A .-55 SN74165,SN74LS165A Storage temperature range.- NOTESO valuas,except in the'165 t the hift/load input in 2-524 TEMs也 INSTRUMENTS OST OFFICE BOX 655012.DALLAS. EXAS 75265
SN54165,SW74165 PARALLEL-LOAD 8-BIT SHIFT REGISTERS ommended operating conditions SN54185 SN74165 UNIT MIN NOM MAX MIN NOM MA Supply voltage.VCC 45 800 High-level o Clock frec .te 25 ns (e Figure 2) temperature.TA -55 125 lectrical characteristics over recommended operating free-air tem ure range (unless otherwise noted) N74165 PARAMETER TEST CONDITIONST MIN TYPE MAX 2 MIN TYPE MAX UNIT 2 evel input voltage 1.5 1.5 VOH High-level output voltage 2.434 24 VoL Low-level output voltage 0.20.4 0.20.4 input current at maximun mA High-level input cue 80 VCCMAX.VI-2.4V 10 32 32 L Low-level input current VCC=MAX.VI-0.4V mA lOS Short-c utput current VCC -MAX 20 —CJn。3 63 42 631 mA ply curren 268 recommended operating conditions. switching characteristics,VCC-5 V,TA-25C PARAMETER FROM TO TEST CONDITIONS MIN TYP MAX UNIT (INPUTI 2026 MHz Load Any 16 Clock Any CL=15 pF,RL-400 n See figures 1 thru 3 PLH 可H 18 27s maxim HL-P 2-525 728