MC74HCT244A

MOTOROLA SEMICONDUCTOR TECHNICAL DATA Octal 3-State Noninverting Buffer/Line Driver/ Line Receiver with LSTTL-Compatible Inputs High–Performance Silicon–Gate CMOS The MC54/74HCT244A is identical in pinout to the LS244. This device may be used as a level converter for interfacing TTL or NMOS outputs to High–Speed CMOS inputs. The HCT244A is an octal noninverting buffer line driver line receiver designed to be used with 3–state memory address drivers, clock drivers, and other bus–oriented systems. The device has non–inverted outputs and two active–low output enables. The HCT244A is the noninverting version of the HCT240. See also HCT241. • • • • • • Output Drive Capability: 15 LSTTL Loads TTL NMOS–Compatible Input Levels Outputs Directly Interface to CMOS, NMOS, and TTL Operating Voltage Range: 4.5 to 5.5 V Low Input Current: 1 µA In Compliance with the Requirements Defined by JEDEC Standard No. 7A • Chip Complexity: 112 FETs or 28 Equivalent Gates MC54/74HCT244A J SUFFIX CERAMIC PACKAGE CASE 732–03 1 20 20 1 20 1 N SUFFIX PLASTIC PACKAGE CASE 738–03 DW SUFFIX SOIC PACKAGE CASE 751D–04 SD SUFFIX SSOP PACKAGE CASE 940C–03 DT SUFFIX TSSOP PACKAGE CASE 948E–02 20 1 20 1 ORDERING INFORMATION Ceramic MC54HCTXXXAJ Plastic MC74HCTXXXAN SOIC MC74HCTXXXADW SSOP MC74HCTXXXASD TSSOP MC74HCTXXXADT LOGIC DIAGRAM PIN ASSIGNMENT A1 A2 A3 A4 DATA INPUTS B1 B2 B3 B4 11 13 15 17 9 7 5 3 YB1 YB2 YB3 YB4 2 4 6 8 18 16 14 12 YA1 YA2 YA3 YA4 NONINVERTING OUTPUTS ENABLE A A1 YB4 A2 YB3 A3 YB2 A4 YB1 GND 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 VCC ENABLE B YA1 B4 YA2 B3 YA3 B2 YA4 B1 FUNCTION TABLE Inputs Outputs YA, YB L H Z Enable A, Enable B L L H 1 OUTPUT ENABLE A ENABLES ENABLE B 19 PIN 20 = VCC PIN 10 = GND A, B L H X Z = high impedance X = don’t care 2/97 © Motorola, Inc. 1997 1 REV 7 MC54/74HCT244A ÎÎ Î Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Î Î ÎÎ Î Î Î ÎÎ Î Î Î Î Î ÎÎÎ Î Î Î Î Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Î Î ÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎ Î Î ÎÎ Î Î Î ÎÎ Î Î Î ÎÎ Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Î Î ÎÎÎ Î Î Î ÎÎ Î ÎÎ Î Î Î ÎÎ Î Î Î Î Î Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Î Î ÎÎ Î Î Î ÎÎ Î Î Î ÎÎ Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Î Î ÎÎ Î Î Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎ Î Î ÎÎ Î Î Î ÎÎ Î Î ÎÎ Î Î Î Î Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Î Î ÎÎÎ Î Î Î ÎÎÎÎÎÎÎÎÎ Î Î Î Î ÎÎ Î Î Î ÎÎ Î Î Î Î Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎ Î ÎÎÎ Î Î ÎÎ Î Î Î Î ÎÎ Î Î ÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Î Î ÎÎ Î Î Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎ Î Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Î Î ÎÎ Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎ Î Î ÎÎÎ Î Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎ Î ÎÎÎ Î Î ÎÎ Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎ Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎ Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎ Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎ Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎ Î Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎ ÎÎ Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Î Î ÎÎ Î Î Î Î Î Î Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Î Î Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Î Î ÎÎÎ Î Î Î Î Î ÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Î Î Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Î Î Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Î ÎÎÎ Î Î Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Î Î Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Î Î Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Î Î Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Î Î Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Î Î Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Î Î Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Î Î Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Î Î Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Î Î Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Î Î Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎ Î Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Î Î Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ MAXIMUM RATINGS* Symbol VCC Vin Parameter Value Unit V V V DC Supply Voltage (Referenced to GND) DC Input Voltage (Referenced to GND) – 0.5 to + 7 – 0.5 to VCC + 0.5 – 0.5 to VCC + 0.5 ± 20 ± 35 Vout Iin DC Output Voltage (Referenced to GND) DC Input Current, per Pin mA mA mA Iout DC Output Current, per Pin ICC PD DC Supply Current, VCC and GND Pins ± 75 750 500 450 Power Dissipation in Still Air, Plastic or Ceramic DIP† SOIC Package† SSOP or TSSOP Package† Storage Temperature mW Tstg TL – 65 to + 150 260 300 This device contains protection circuitry to guard against damage due to high static voltages or electric fields. However, precautions must be taken to avoid applications of any voltage higher than maximum rated voltages to this high–impedance circuit. For proper operation, Vin and Vout should be constrained to the range GND (Vin or Vout) VCC. Unused inputs must always be tied to an appropriate logic voltage level (e.g., either GND or VCC). Unused outputs must be left open. v v _C _C Lead Temperature, 1 mm from Case for 10 Seconds (Plastic DIP, SOIC, SSOP or TSSOP Package) (Ceramic DIP) * Maximum Ratings are those values beyond which damage to the device may occur. Functional operation should be restricted to the Recommended Operating Conditions. †Derating — Plastic DIP: – 10 mW/_C from 65_ to 125_C Ceramic DIP: – 10 mW/_C from 100_ to 125_C SOIC Package: – 7 mW/_C from 65_ to 125_C SSOP or TSSOP Package: – 6.1 mW/_C from 65_ to 125_C For high frequency or heavy load considerations, see Chapter 2 of the Motorola High–Speed CMOS Data Book (DL129/D). RECOMMENDED OPERATING CONDITIONS Symbol VCC Parameter Min 4.5 0 Max 5.5 Unit V V DC Supply Voltage (Referenced to GND) Vin, Vout TA DC Input Voltage, Output Voltage (Referenced to GND) Operating Temperature, All Package Types Input Rise and Fall Time (Figure 1) VCC – 55 0 + 125 500 _C ns tr, tf DC ELECTRICAL CHARACTERISTICS (Voltages Referenced to GND) Guaranteed Limit Symbol S bl VIH VIL Parameter P Test C di i T Conditions VCC V 4.5 5.5 4.5 5.5 4.5 5.5 4.5 4.5 5.5 4.5 5.5 – 55 to 25_C 2 2 v 85_C v 125_C 2 2 2 2 0.8 0.8 4.4 5.4 0.8 0.8 4.4 5.4 3.7 0.1 0.1 0.4 Unit Ui V V V Minimum High–Level Input Voltage Vout = 0.1 V or VCC – 0.1 V |Iout| 20 µA v v v v v v Maximum Low–Level Input Voltage Vout = 0.1 V or VCC – 0.1 V |Iout| 20 µA Vin = VIH or VIL |Iout| 20 µA Vin = VIH or VIL |Iout| 6 mA Vin = VIH or VIL |Iout| 20 µA Vin = VIH or VIL |Iout| 6 mA 0.8 0.8 4.4 5.4 VOH Minimum High–Level Output Voltage 3.98 0.1 0.1 3.84 0.1 0.1 VOL Maximum Low–Level Output Voltage V 0.26 0.33 Iin Maximum Input Leakage Current Vin = VCC or GND ± 0.1 ± 1.0 ± 1.0 µA MOTOROLA 2 High–Speed CMOS Logic Data DL129 — Rev 6 MC54/74HCT244A DC ELECTRICAL CHARACTERISTICS (Voltages Referenced to GND) Î Î ÎÎ Î Î Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎ Î Î Î Î Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎ ÎÎ Î Î Î Î Î ÎÎ Î Î ÎÎ ÎÎ Î Î Î Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Î Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Î Î ÎÎÎ Î Î Î Î Î Î ÎÎ Î Î ÎÎ Î Î ÎÎ Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Î Î ÎÎ Î ÎÎ Î Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Î Î ÎÎ Î Î ÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎ Î Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Î Î ÎÎ Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Î Î ÎÎ Î Î Î ÎÎÎÎÎÎÎÎÎÎÎ Î Î Î ÎÎ Î Î Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Î Î Î Guaranteed Limit Symbol IOZ Parameter Test Conditions VCC V 5.5 – 55 to 25_C ± 0.5 v 85_C v 125_C ± 5.0 ± 10 40 160 Unit µA Maximum Three–State Leakage Current Output in High–Impedance State Vin = VIL or VIH Vout = VCC or GND Vin = VCC or GND Iout = 0 µA ICC Maximum Quiescent Supply Current (per Package) 5.5 4 µA ∆ICC Additional Quiescent Supply Current Vin = 2.4 V, Any One Input Vin = VCC or GND, Other Inputs or GND, Other Inputs in lout = 0 µA ≥ –55_C 2.9 25_C to 125_C 2.4 5.5 55 mA A NOTES: 1. Information on typical parametric values along with frequency or heavy load considerations can be found in Chapter 2 of the Motorola High– Speed CMOS Data Book (DL129/D). 2. Total Supply Current = ICC + Σ∆ICC. AC ELECTRICAL CHARACTERISTICS (VCC = 5.0 V ± 10%, CL = 50 pF, Input tr = tf = 6 ns) ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎ Î ÎÎÎÎ ÎÎ Î Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎ Î Î Î ÎÎ Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎ Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎ Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎ ÎÎÎ ÎÎ Î Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎ Î ÎÎÎ Î Î Î ÎÎÎÎ Î Î Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎ Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎ Î Î Î Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎ Î Î Î ÎÎÎÎ ÎÎÎÎ Î Î Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎ Î Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎ Î ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎ Guaranteed Limit Symbol S bl tPLH, tPHL tPLZ, tPHZ tPZL, tPZH Parameter P – 55 to 25_C 20 26 22 12 10 15 v 85_C 25 33 28 15 10 15 v 125_C 30 39 33 18 10 15 Unit Ui ns ns ns ns Maximum Propagation Delay, A to YA or B to YB (Figures 1 and 3) Maximum Propagation Delay, Output Enable to YA or YB (Figures 2 and 4) Maximum Propagation Delay, Output Enable to YA or YB (Figures 2 and 4) Maximum Output Transition Time, Any Output (Figures 1 and 3) Maximum Input Capacitance tTLH, tTHL Cin pF pF Cout Maximum Three–State Output Capacitance (Output in High–Impedance State) NOTE: For propagation delays with loads other than 50 pF, and information on typical parametric values, see Chapter 2 of the Motorola High– Speed CMOS Data Book (DL129/D). Typical @ 25°C, VCC = 5.0 V 55 CPD Power Di i i C P Dissipation Capacitance (P E bl d O i (Per Enabled Output)* )* pF F * Used to determine the no–load dynamic power consumption: P D = C PD V CC 2 f + I CC V CC . For load considerations, see Chapter 2 of the Motorola High–Speed CMOS Data Book (DL129/D). SWITCHING WAVEFORMS 3V tr INPUT A OR B tPLH OUTPUT YA OR YB tTLH 90% 1.3 V 10% tTHL 2.7 V 1.3 V 0.3 V tPHL tf 3V GND OUTPUT Y 1.3 V tPZH OUTPUT Y 1.3 V tPHZ 10% 90% ENABLE A OR B 1.3 V GND tPZL tPLZ HIGH IMPEDANCE VOL VOH HIGH IMPEDANCE Figure 1. Figure 2. High–Speed CMOS Logic Data DL129 — Rev 6 3 MOTOROLA MC54/74HCT244A TEST CIRCUITS TEST POINT OUTPUT DEVICE UNDER TEST DEVICE UNDER TEST TEST POINT OUTPUT 1 kΩ CONNECT TO VCC WHEN TESTING tPLZ AND tPZL. CONNECT TO GND WHEN TESTING tPHZ AND tPZH. CL* CL* * Includes all probe and jig capacitance * Includes all probe and jig capacitance Figure 3. Figure 4. LOGIC DETAIL TO THREE OTHER A OR B INVERTERS ONE OF 8 BUFFERS VCC DATA INPUT A OR B YA OR YB ENABLE A OR ENABLE B MOTOROLA 4 High–Speed CMOS Logic Data DL129 — Rev 6 MC54/74HCT244A OUTLINE DIMENSIONS J SUFFIX CERAMIC PACKAGE CASE 732–03 ISSUE E B A F C L DIM A B C D F G H J K L M N NOTES: 1. LEADS WITHIN 0.25 (0.010) DIAMETER, TRUE POSITION AT SEATING PLANE, AT MAXIMUM MATERIAL CONDITION. 2. DIMENSION L TO CENTER OF LEADS WHEN FORMED PARALLEL. 3. DIMENSIONS A AND B INCLUDE MENISCUS. MILLIMETERS MIN MAX 23.88 25.15 6.60 7.49 3.81 5.08 0.38 0.56 1.40 1.65 2.54 BSC 0.51 1.27 0.20 0.30 3.18 4.06 7.62 BSC 0_ 15 _ 0.25 1.02 INCHES MIN MAX 0.940 0.990 0.260 0.295 0.150 0.200 0.015 0.022 0.055 0.065 0.100 BSC 0.020 0.050 0.008 0.012 0.125 0.160 0.300 BSC 0_ 15_ 0.010 0.040 20 1 11 10 N H D SEATING PLANE G K J M –A– 20 11 N SUFFIX PLASTIC PACKAGE CASE 738–03 ISSUE E B 1 10 C L NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. 3. DIMENSION L TO CENTER OF LEAD WHEN FORMED PARALLEL. 4. DIMENSION B DOES NOT INCLUDE MOLD FLASH. INCHES MIN MAX 1.010 1.070 0.240 0.260 0.150 0.180 0.015 0.022 0.050 BSC 0.050 0.070 0.100 BSC 0.008 0.015 0.110 0.140 0.300 BSC 0_ 15 _ 0.020 0.040 MILLIMETERS MIN MAX 25.66 27.17 6.10 6.60 3.81 4.57 0.39 0.55 1.27 BSC 1.27 1.77 2.54 BSC 0.21 0.38 2.80 3.55 7.62 BSC 0_ 15_ 0.51 1.01 –T– SEATING PLANE K M E G F D 20 PL N J 0.25 (0.010) M 20 PL 0.25 (0.010) TA M M TB M DIM A B C D E F G J K L M N –A– 20 11 DW SUFFIX PLASTIC SOIC PACKAGE CASE 751D–04 ISSUE E 10X –B– 1 10 P 0.010 (0.25) M B M NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: MILLIMETER. 3. DIMENSIONS A AND B DO NOT INCLUDE MOLD PROTRUSION. 4. MAXIMUM MOLD PROTRUSION 0.150 (0.006) PER SIDE. 5. DIMENSION D DOES NOT INCLUDE DAMBAR PROTRUSION. ALLOWABLE DAMBAR PROTRUSION SHALL BE 0.13 (0.005) TOTAL IN EXCESS OF D DIMENSION AT MAXIMUM MATERIAL CONDITION. DIM A B C D F G J K M P R MILLIMETERS MIN MAX 12.65 12.95 7.40 7.60 2.35 2.65 0.35 0.49 0.50 0.90 1.27 BSC 0.25 0.32 0.10 0.25 0_ 7_ 10.05 10.55 0.25 0.75 INCHES MIN MAX 0.499 0.510 0.292 0.299 0.093 0.104 0.014 0.019 0.020 0.035 0.050 BSC 0.010 0.012 0.004 0.009 0_ 7_ 0.395 0.415 0.010 0.029 20X D M 0.010 (0.25) TA S B J S F R X 45 _ C –T– 18X SEATING PLANE G K M High–Speed CMOS Logic Data DL129 — Rev 6 5 MOTOROLA MC54/74HCT244A OUTLINE DIMENSIONS SD SUFFIX PLASTIC SSOP PACKAGE CASE 940C–03 ISSUE B 20X K REF 0.12 (0.005) M TU S V 0.25 (0.010) S N M N L/2 L PIN 1 IDENT 20 11 B 1 10 F DETAIL E K J 0.20 (0.008) M TU S SECTION N–N –W– 0.076 (0.003) –T– SEATING PLANE C D G H DETAIL E 20X K REF DT SUFFIX PLASTIC TSSOP PACKAGE CASE 948E–02 ISSUE A M 0.15 (0.006) T U S 0.10 (0.004) TU S V S 2X L/2 20 11 L PIN 1 IDENT 1 10 B –U– J J1 N 0.15 (0.006) T U S A –V– N F C D 0.100 (0.004) –T– SEATING PLANE G H DETAIL E MOTOROLA 6 ÍÍÍÍ ÍÍÍÍ ÍÍÍÍ ÉÉÉ ÇÇÇ ÉÉÉ ÇÇÇ K1 K K1 DETAIL E A –V– –U– J1 NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: MILLIMETER. 3. DIMENSION A DOES NOT INCLUDE MOLD FLASH, PROTRUSIONS OR GATE BURRS. MOLD FLASH OR GATE BURRS SHALL NOT EXCEED 0.15 (0.006) PER SIDE. 4. DIMENSION B DOES NOT INCLUDE INTERLEAD FLASH OR PROTRUSION. INTERLEAD FLASH OR PROTRUSION SHALL NOT EXCEED 0.15 (0.006) PER SIDE. 5. DIMENSION K DOES NOT INCLUDE DAMBAR PROTRUSION/INTRUSION. ALLOWABLE DAMBAR PROTRUSION SHALL BE 0.13 (0.005) TOTAL IN EXCESS OF K DIMENSION AT MAXIMUM MATERIAL CONDITION. DAMBAR INTRUSION SHALL NOT REDUCE DIMENSION K BY MORE THAN 0.07 (0.002) AT LEAST MATERIAL CONDITION. 6. TERMINAL NUMBERS ARE SHOWN FOR REFERENCE ONLY. 7. DIMENSION A AND B ARE TO BE DETERMINED AT DATUM PLANE –W–. DIM A B C D F G H J J1 K K1 L M MILLIMETERS MIN MAX 7.07 7.33 5.20 5.38 1.73 1.99 0.05 0.21 0.63 0.95 0.65 BSC 0.59 0.75 0.09 0.20 0.09 0.16 0.25 0.38 0.25 0.33 7.65 7.90 0_ 8_ INCHES MIN MAX 0.278 0.288 0.205 0.212 0.068 0.078 0.002 0.008 0.024 0.037 0.026 BSC 0.023 0.030 0.003 0.008 0.003 0.006 0.010 0.015 0.010 0.013 0.301 0.311 0_ 8_ SECTION N–N 0.25 (0.010) NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: MILLIMETER. 3. DIMENSION A DOES NOT INCLUDE MOLD FLASH, PROTRUSIONS OR GATE BURRS. MOLD FLASH OR GATE BURRS SHALL NOT EXCEED 0.15 (0.006) PER SIDE. 4. DIMENSION B DOES NOT INCLUDE INTERLEAD FLASH OR PROTRUSION. INTERLEAD FLASH OR PROTRUSION SHALL NOT EXCEED 0.25 (0.010) PER SIDE. 5. DIMENSION K DOES NOT INCLUDE DAMBAR PROTRUSION. ALLOWABLE DAMBAR PROTRUSION SHALL BE 0.08 (0.003) TOTAL IN EXCESS OF THE K DIMENSION AT MAXIMUM MATERIAL CONDITION. 6. TERMINAL NUMBERS ARE SHOWN FOR REFERENCE ONLY. 7. DIMENSION A AND B ARE TO BE DETERMINED AT DATUM PLANE –W–. MILLIMETERS MIN MAX 6.40 6.60 4.30 4.50 ––– 1.20 0.05 0.15 0.50 0.75 0.65 BSC 0.27 0.37 0.09 0.20 0.09 0.16 0.19 0.30 0.19 0.25 6.40 BSC 0_ 8_ INCHES MIN MAX 0.252 0.260 0.169 0.177 ––– 0.047 0.002 0.006 0.020 0.030 0.026 BSC 0.011 0.015 0.004 0.008 0.004 0.006 0.007 0.012 0.007 0.010 0.252 BSC 0_ 8_ M DIM A B C D F G H J J1 K K1 L M –W– High–Speed CMOS Logic Data DL129 — Rev 6 MC54/74HCT244A Motorola reserves the right to make changes without further notice to any products herein. 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