M54HCT137 M74HCT137 3 TO 8 LINE DECODER/LATCH (INVERTING) . . . . . . . HIGH SPEED tPD = 17 ns (TYP.) AT VCC = 5 V LOW POWER DISSIPATION ICC = 4 µA (MAX.) AT TA = 25 °C COMPATIBLE WITH TTL OUTPUTS VIH = 2V (MIN.) VIL = 0.8V (MAX) OUTPUT DRIVE CAPABILITY 10 LSTTL LOADS SYMMETRICAL OUTPUT IMPEDANCE IOH = IOL = 4 mA (MIN.) BALANCED PROPAGATION DELAYS tPLH = tPHL PIN AND FUNCTION COMPATIBLE WITH 54/74LS137 DESCRIPTION The M54/74HCT137 is a high speed CMOS3TO8LINE DECODER/LATCH (INVERTING) fabricated in silicon 2 gateC MOStechnology. Ithas the samehigh speed performance ofLSTTL combined with trueCMOSlow power consumption. This device is a 3 to 8 line decoder with latches onthe three address inputs. When GLgoes from low to high, the address present at the select inputs (A, B and C) is stored in the latches. As long as GLremains high no address changes will be recognized. Output enable pins G1 and G2, control the state of the outputs independently ofthe select orlatch-enable inputs. All theoutputs are high unless G1 is high and G2 is low. The HC137 is ideally suited for the implementation of glitch-free decoders in stored-address applications in bus oriented systems. All inputs are equipped with protection circuits against static discharge and transient excess voltage.This integrated circuit has input and output characteristics that are fully compatible with 54/74 LSTTL logic families. M54/74HCT devices aredesigned todirectly interfaceHSC2MOS systems with TTL and NMOS components. They are also plug in replacements for LSTTL devices giving a reduction of power consumption. B1R (Plastic Package) F1R (Ceramic Package) M1R (Micro Package) C1R (Chip Carrier) ORDER CODES : M54HCT137F1R M74HCT137M1R M74HCT137B1R M74HCT137C1R PIN CONNECTIONS (top view) INPUT AND OUTPUT EQUIVALENT CIRCUIT NC = No Internal Connection February 1993 1/12 M54/M74HCT137 TRUTH TABLE INPUTS OUTPUTS GL ENABLE G1 C SELECT B G2 X L X A Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7 X X X H H H H H H H X L X H H H L X L X L X L H L H H H H H H H H H H H H H H L L L H L L L H H L H H H H H H H H L L L L H H L H H H H H L H H L H H H H H H H H L H L H L L H H H H L H H H L L H H L L H H L H H L H H H H H H H H H H L H H L H H L H H H L L H X H X H X H LOGIC DIAGRAM 2/12 H H H H H H L Outputs corresponding to stored address L: all others H M54/M74HCT137 PIN DESCRIPTION PIN No SYMBOL 1, 2, 3 4 A to C GL Data Inputs Latch Enable Input (Active LOW) NAME AND FUNCTION 5 G2 Data Enable Input (Active LOW) 6 15, 14, 13, 12, 11, 10, 9, 7 G1 Y0 to Y7 Data Enable Input (Active HIGH) Multiplexer Outputs 8 GND Ground (0V) 16 VCC Positive Supply Voltage IEC LOGIC SYMBOLS ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit -0.5 to +7 V -0.5 to VCC + 0.5 -0.5 to VCC + 0.5 V V DC Input Diode Current ± 20 mA DC Output Diode Current DC Output Source Sink Current Per Output Pin ± 20 ± 25 mA mA VCC Supply Voltage VI VO DC Input Voltage DC Output Voltage IIK IOK IO ICC or IGND DC VCC or Ground Current PD Power Dissipation Tstg Storage Temperature TL Lead Temperature (10 sec) ± 50 mA 500 (*) mW -65 to +150 o C 300 o C Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition isnotimplied. (*) 500 mW: ≅ 65 oC derate to 300 mW by 10mW/oC: 65 oC to 85 oC 3/12 M54/M74HCT137 RECOMMENDED OPERATING CONDITIONS Symbol Parameter Value Unit VCC Supply Voltage 4.5 to 5.5 V VI VO Input Voltage Output Voltage 0 to VCC 0 to VCC V V Top Operating Temperature: M54HC Series M74HC Series tr, tf Input Rise and Fall Time (VCC = 4.5 to 5.5V) o -55 to +125 -40 to +85 o 0 to 500 C C ns DC SPECIFICATIONS Test Conditions Symbol Parameter VIH High Level Input Voltage V IL Low Level Input Voltage V OH High Level Output Voltage VOL II ICC ∆ICC 4/12 Low Level Output Voltage Input Leakage Current Quiescent Supply Current Additional worst case supply current Value TA = 25 oC 54HC and 74HC VCC (V) Min. 2.0 4.5 to 5.5 4.5 to 5.5 Typ. Max. -40 to 85 oC -55 to 125 oC 74HC 54HC Min. 2.0 0.8 4.5 VI = IO=-20 µA VIH or IO=-4.0 mA V IL 4.5 VI = IO= 20 µA VIH or IO= 4.0 mA V IL Max. Min. 2.0 0.8 Max. V 0.8 4.4 4.5 4.4 4.4 4.18 4.31 4.13 4.10 Unit V V 0.0 0.1 0.1 0.1 0.17 0.26 0.33 0.4 VI = VCC or GND ±0.1 ±1 ±1 µA 5.5 VI = VCC or GND 4 40 80 µA 5.5 Per Input pin VI = 0.5V or V I = 2.4V Other Inputs at V CC or GND IO= 0 2.0 2.9 3.0 mA 5.5 V M54/M74HCT137 AC ELECTRICAL CHARACTERISTICS (C L = 50 pF, Input t r = tf = 6 ns) Test Conditions Value o -40 to 85 oC -55 to 125 oC 74HC 54HC Min. Max. Min. Max. Symbol Parameter VCC (V) TA = 25 C 54HC and 74HC Min. Typ. Max. tTLH tTHL Output Transition Time 4.5 8 15 19 22 tPLH tPHL Propagation Delay Time (G1 - Y) 4.5 17 27 34 41 tPLH tPHL Propagation Delay Time (G2 - Y) 4.5 tPLH tPHL Propagation Delay Time (GL - Y) 4.5 tPLH tPHL Propagation Delay Time (A, B, C - Y) 4.5 tW(L) Minimum Pulse Width (GL) 4.5 Minimum Set-up Time (A, B, C - GL) 4.5 Minimum Hold Time (A, B, C - GL) 4.5 ts th CIN CPD (*) Input Capacitance Power Dissipation Capacitance Unit ns ns 18 28 35 42 ns 25 39 49 59 ns 24 37 46 56 ns 8 15 19 22 ns 5 6 8 ns 5 6 8 ns 5 58 10 10 10 pF pF (*) CPD 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 obtained by the following equation. ICC(opr) = CPD •VCC •fIN + ICC 5/12 M54/M74HCT137 TEST CIRCUIT ICC (Opr.) INPUT WAVEFORM IS THE SAME AS THAT IN CASE OF SWITCHING CHARACTERISTICS TEST. TYPICAL APPLICATION 6/12 M54/M74HCT137 SWITCHING CHARACTERISTICS TEST WAVEFORM 7/12 M54/M74HCT137 Plastic DIP16 (0.25) MECHANICAL DATA mm DIM. MIN. a1 0.51 B 0.77 TYP. inch MAX. MIN. TYP. MAX. 0.020 1.65 0.030 0.065 b 0.5 0.020 b1 0.25 0.010 D 20 0.787 E 8.5 0.335 e 2.54 0.100 e3 17.78 0.700 F 7.1 0.280 I 5.1 0.201 L Z 3.3 0.130 1.27 0.050 P001C 8/12 M54/M74HCT137 Ceramic DIP16/1 MECHANICAL DATA mm DIM. MIN. TYP. inch MAX. MIN. TYP. MAX. A 20 0.787 B 7 0.276 D E 3.3 0.130 0.38 e3 0.015 17.78 0.700 F 2.29 2.79 0.090 0.110 G 0.4 0.55 0.016 0.022 H 1.17 1.52 0.046 0.060 L 0.22 0.31 0.009 0.012 M 0.51 1.27 0.020 0.050 N P Q 10.3 7.8 8.05 5.08 0.406 0.307 0.317 0.200 P053D 9/12 M54/M74HCT137 SO16 (Narrow) MECHANICAL DATA mm DIM. MIN. TYP. A a1 inch MAX. MIN. TYP. 1.75 0.1 0.068 0.2 a2 MAX. 0.004 0.007 1.65 0.064 b 0.35 0.46 0.013 0.018 b1 0.19 0.25 0.007 0.010 C 0.5 0.019 c1 45° (typ.) D 9.8 E 5.8 10 0.385 6.2 0.228 0.393 0.244 e 1.27 0.050 e3 8.89 0.350 F 3.8 4.0 0.149 0.157 G 4.6 5.3 0.181 0.208 L 0.5 1.27 0.019 0.050 M S 0.62 0.024 8° (max.) P013H 10/12 M54/M74HCT137 PLCC20 MECHANICAL DATA mm DIM. MIN. TYP. inch MAX. MIN. TYP. MAX. A 9.78 10.03 0.385 0.395 B 8.89 9.04 0.350 0.356 D 4.2 4.57 0.165 0.180 d1 2.54 0.100 d2 0.56 0.022 E 7.37 8.38 0.290 0.330 e 1.27 0.050 e3 5.08 0.200 F 0.38 0.015 G 0.101 0.004 M 1.27 0.050 M1 1.14 0.045 P027A 11/12 M54/M74HCT137 Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsability for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may results from its use. No license is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. SGS-THOMSON Microelectronics products are not authorized for use ascritical components in life support devices or systems without express written approval of SGS-THOMSON Microelectonics. 1994 SGS-THOMSON Microelectronics - All Rights Reserved SGS-THOMSON Microelectronics GROUP OF COMPANIES Australia - Brazil - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco - The Netherlands Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A 12/12