ky, SGS-THOMSON M54HC137 7 incrozecrromes M74HC137 3 TO 8 LINE DECODER/LATCH (INVERTING) a HIGH SPEED tpp = 11 ns (TYP.) AT Vcc = 5 V sw LOW POWER DISSIPATION loc = 4 pA (MAX.) AT Ta = 25 C = HIGH NOISE IMMUNITY VaNIH = VNIL = 28 % Vcc (MIN.) a OUTPUT DRIVE CAPABILITY BIR FIR 10 LSTTL LOADS (Plastic Package) (Ceramic Package) a SYMMETRICAL OUTPUT IMPEDANCE |10H| = lo. = 4 mA (MIN.) BALANCED PROPAGATION DELAYS teLH = tPHL a WIDE OPERATING VOLTAGE RANGE M1R C1IR Voc (OPR) =2VTO6V (Micro Package) (Chip Carrier) = PIN AND FUNCTION COMPATIBLE ORDER CODES : WITH 54/74LS137 M54HC137F1R M74HC137M1R M74HC137B1R M74HC137C1R DESCRIPTION The M54/74HC1 37 is a high speed CMOS 3 TO 8 LINE DECODER/LATCH (INVERTING) fabricated in silicon PIN CONNECTIONS (top view) gate C?MOS technology. It has the same high speed performance of LSTTL combined with true CMOS low a OJ ol vee power consumption. This device is a 3 to 8 line decoder with latches on the three address inputs. When GL goes s ff ie] 7 from low to high, the address present at the select inputs _ (A, B and C) is stored in the latches. As long as GL re- c yn mains high no address changes will be recognized. Out- put enable pins G1 and G2, control the state of the a ff pb 2 outputs independently of the select or latch-enable in- a ff ene puts. All the outputs are high unless G1 is high and G2 is low. The HC137 is ideally suited for the implementa- st ff i] Ye tion of glitch-free decoders in stored-address applica- tions in bus oriented systems. All inputs are equipped 7 v8 with protection circuits against static discharge and tran- cnp |e f] ve sient excess voltage. INPUT AND OUTPUT EQUIVALENT CIRCUIT Vee =I 1 I A c ' 1 ' 1 QUTPUT Gt 4 NC Gz a G1 4 j NC = -J = = 7278 No Internal . a Connection BR ZO [eo po scoseso >see February 1993 1/6 325M54/M74HC137 TRUTH TABLE INPUTS | OUTPUTS ENABLE SELECT a. | at | a |c |e | a | Yo | vi | v2 | v3 | va | v5 | ve | v7 Xx X H Xx X x H H H H H H H H Xx L Xx Xx X x H H H H H H H H a H L L L L L H H H | oH H _H H L H L L L H H L H H H H H H L H L L H L H H L H H H H H L H L L H H H H H L H H H H L H L H L L H H H H L H H H L H L H L H H H | _H H H L H H L H L H H L H H H H H H L H L H L H H H | _H H H =: H H H H L H H L x X X Outputs corresponding to stored address L: all others H LOGIC DIAGRAM > : > oo: al aE a g G ATT Tt TT 8 SAME AS ASOVE EK i tee eee a ee eee _ Aug oe ee eee t-6 a] wz B{ SAME AS ABOVE 8 a ts COT Re ee ee eee Ae eee ee ee e] 3 oo ; et Fe : C4 SAME AS ABOVE Ror ne ee an oo i I ! | | | | ! I | | | | I ! : TT al ai . al Y i fi 4 2/6 k $Gs- 7 SGSTHOMSON 326 .M54/M74HC137 PIN DESCRIPTION PIN No | SYMBOL NAME AND FUNCTION | 1,2,3 : Ato Data Inputs 4 GL Latch Enable Input (Active LOW) 5 G2 Data Enable Input (Active LOW) 6 G1 Data Enable Input (Active HIGH) 15, 14, 13, 12, 11, 10, 9,7 YO to Y7 Multiplexer Outputs 8 GND Ground (OV) 16 Veco Positive Supply Voltage IEC LOGIC SYMBOLS a SAL eg BIN/ocT a 44 nyeg OMUX (15) Zo . ok, o US) Fo : @ v4 (2) oo wr v4 53 2 (3) o| 7 2B Ye . Y3 3 N02) 75 o i 1 aA G2 G22} EN Pe) Ys ! Y6 6 &e eo | v7 7h 7, 12200 LC12210 ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value | unit J Vec Supply Voltage -0.5 to +7 Vv Vi DC Input Voltage -0.5 to Vcc'+ 0.5 Vv Vo DC Output Voltage 70.5 to Vcc + 0.5 i Vv lx DC Input Diode Current +20 | mA lox {| DC Output Diode Current +20 mA lo DC Output Source Sink Current Per Output Pin +25 mA lec or Ienp | DC Vcc or Ground Current + 50 / mA i Pp Power Dissipation 500 (*) i omWw ___ Tatg Storage Temperature , -65 to +150 8 TL | Lead Temperature (10 sec) | 300 | Absolute Maximum Ratings are thase values beyond which damage to the device may occur. Functional operation under these condition is notimplied. (*) 500 mW: = 65 C derate to 300 mW by 10mW&C: 65 C to 85 C {a7 SGS-THOMSON 3/6 S97 mcrosiseTRomes 327M54/M74HC137 RECOMMENDED OPERATING CONDITIONS Symbol Parameter Value Unit Vec Supply Voltage 2ta6 Vv Vi Input Voltage 0 to Vcc Vv Vo Output Voltage 0 to Vcc Vv Top Operating Temperature: MS4HC Series -65 to +125 C M74HC Series -40 to +85 C tr, tt Input Rise and Fall Time Veco =2V 0 to 1000 ns Veco = 4.5 V 0 to 500 | Voc = 6 V 0 to 400 DC SPECIFICATIONS Test Conditions Value Symbol Parameter Vee Ta = 25C -40 to 85 C |-55t0 125C| ynit (Vv) 54HC and 74HC 74HC 54HC Min. | Typ. | Max. | Min. | Max. | Min. | Max. Vin | High Level Input | 2.0 15 15 | 15 Voltage 45 3.15 3.15 3.15 Vv 6.0 4.2 42 42 Vit Low Level Input 2.0 0.5 0.5 0.5 Voltage 45 1.35 1.35 135; Y 6.0 1.8 1.8 1.8 Vou High Level 2.0 Vis 1.9 2.0 1.9 1.9 Output Voltage 4.5 | y,, | loreCuA | 44 | 45 4.4 44 V 6.0 | or 5.9 6.0 5.9 5.9 4.5 | Vit |Ig=-4.0 mA| 4.18 | 4.31 4.13 4.10 6.0 lo=-5.2 MA} 5.68 | 5.8 5.63 5.60 VoL Low Level Output | 2.0 Ve 0.0 0.1 01 0.1 Voltage 45 | yy | lo= 20HA 0.0 | 0.1 0.1 0.1 6.0! or 0.0 0.1 01 0.1 Vv 4.5 | Vit |igz 4.0 mA 0.17 | 0.26 0.33 0.40 6.0 lo= 5.2 mA 0.18 | 0.26 0.33 0.40 I Input Leakage 6.0 Vi = Voc or GND +0.1 +1 +H pA Current lec Quiescent Supply | 6.0 | Vi = Vcc or GND 2 20 40 HA Current 4/6 AY7 Siisortaoreanes 328M54/M74HC137 AC ELECTRICAL CHARACTERISTICS (Ci = 50 pF, Input tr = tr = 6 ns} Test Conditions Value Symbol Parameter Vee Ta = 25C -40 to 85 C /-55 to 125C) Unit (Vv) 54HC.and 74HC 74HC 54HC Min. | Typ. | Max. | Min. | Max. | Min. | Max. tTLH Output Transition | 2.0 30 75 95 110 tra. | Time 4.5 | 8 | 15 19 22 | ns 6.0 7 13 16 19 tPLH Propagation 2.0 45 115 145 175 tpH. | Delay Time 45 14 23 29 35 ns (Gt -) 6.0 12 20 25 30 feLH Propagation 2.0 50 115 145 175 teu. | Delay Time 4.5 15 | 23 29 | 35 ns (G2 - ) 6.0 13 20 25 | 30 tpty | Propagation 2.0 70 | 170 215 250 | tpH. , Delay Time 45 22 | 34 43 50 ns (GL - ) 6.0 19 29 37 43 teLH Propagation 2.0 70 165 205 110 teu. | Delay Time 45 21 33 44 22 ns (A, B,C - ) 6.0 18 28 35 19 tw) Minimum Pulse 2.0 | 12 50 65 75 on 45 3 10 13 15 ns (Gt) 6.0 3 9 | 1" 13 ts | Minimum Set-up | 2.0 a | 50 60 | 75 ane cor 4.5 2 10 12 | 15 ns (A,B, G - GL) 6.0 2 | 9 | 10 143 th | Minimum Hold 2.0 5 5 5 | Time _ 45 5 5 5 ns (A, B,C - GL) 6.0 5 5 5 Cin input Capacitance | 5 10 10 10 pF Crp (*) | Power Dissipation 55 Capacitance | pF (") Cep is defined as the value of the IC's internal equivalent capacitance which is calculated from the operating current consumption without load. (Refer to Test Circuit). Average operting current can be abtained by the following equation. lec(apr) = Crp * Voc * fin + lec 5/6 ky SES-THOMSONM54/M74HC137 TEST CIRCUIT Icc (Opr.) Voc = $v Gt bo P| H+ oF b | 8 p | c b | GL DP ! G2 D7 5+70045 INPUT WAVEFORM IS THE SAME AS THAT IN CASE OF SWITCHING CHARACTERISTICS TEST. TYPICAL APPLICATION STROBE DECODER ENABLE xo 1 X2 GC BA G2 GI INPUT YO Yi 2 3 4 Y5 Y6 Y7 ADDRESS | TO FIVE x3 OTHER Xe DECODERS x5 Yo 1_ 2 3 4 Y5 Y6 Y7 YO _1_2 Ya & YS Y6 Y? yO 1_2 3 Y YS Y6 Y7 o 423456 7 8 9 10 11 12 13 14 16 1617 18 19 20 2 22 23 es ee __" OUTPUTS S 10047 6/6 ky SES-THOMSON 7 MICROELECTRONICS 330