MC74AC244 ONSEMI | Alldatasheet
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Semiconductor Components Industries, LLC, 2001 May, 2001 – Rev. 5
1 Publication Order Number:
MC74AC244, MC74ACT244 Octal Buffer/Line Driver with 3-State Outputs The MC74AC244/74ACT244 is an octal buffer and line driver designed to be employed as a memory address driver, clock driver and bus oriented transmitter/receiver which provides improved PC board density.
- 3–State Outputs Drive Bus Lines or Buffer Memory Address Registers
- Outputs Source/Sink 24 mA
- ′ACT244 Has TTL Compatible Inputs 1920 18 17 16 15 14 21 34567 VCC OE2 OE1 GND
Figure 1. Pinout: 20–Lead Packages Conductors
ORDERING INFORMATION
MC74AC244N PDIP–20 18 Units/Rail MC74ACT244N PDIP–20 18 Units/Rail MC74AC244DW SOIC–20 38 Units/Rail MC74AC244DWR2 SOIC–20 1000 Tape & Reel MC74ACT244DW SOIC–20 38 Units/Rail MC74ACT244DWR2 SOIC–20
1000 Tape & Reel
MC74AC244DT TSSOP–20 75 Units/Rail MC74AC244DTR2 TSSOP–20 2500 Tape & Reel MC74ACT244DT TSSOP–20 75 Units/Rail MC74ACT244DTR2 TSSOP–20 2500 Tape & Reel MC74AC244M EIAJ–20 40 Units/Rail MC74AC244MEL EIAJ–20 2000 Tape & Reel MC74ACT244M EIAJ–20 40 Units/Rail MC74ACT244MEL EIAJ–20
2000 Tape & Reel
See general marking information in the device marking section on page 5 of this data sheet. DEVICE MARKING INFORMATION
MC74AC244, MC74ACT244 http://onsemi.com MAXIMUM RATINGS* Symbol Parameter Value Unit VCC DC Supply Voltage (Referenced to GND) –0.5 to +7.0 V VIN DC Input Voltage (Referenced to GND) –0.5 to VCC +0.5 V VOUT DC Output Voltage (Referenced to GND) –0.5 to VCC +0.5 V IIN DC Input Current, per Pin ±20 mA IOUT DC Output Sink/Source Current, per Pin ±50 mA ICC DC V CC or GND Current per Output Pin ±50 mA Tstg Storage Temperature –65 to +150 °C *Maximum Ratings are those values beyond which damage to the device may occur. Functional operation should be restricted to the Recom- mended Operating Conditions. RECOMMENDED OPERATING CONDITIONS Symbol Parameter Min Typ Max Unit V Supply Voltage ′AC 2.0 5.0 6.0 VVCC Supply Voltage ′ACT 4.5 5.0 5.5 V VIN, VOUT DC Input Voltage, Output Voltage (Ref. to GND) 0 – VCC V VCC @ 3.0 V – 150 – tr, tf Input Rise and Fall Time (Note 1) ′AC Devices except Schmitt Inputs VCC @ 4.5 V – 40 – ns/Vr, f ′AC Devices except Schmitt Inputs VCC @ 5.5 V – 25 – tt f Input Rise and Fall Time (Note 2) VCC @ 4.5 V – 10 – ns/Vtr, tf In ut Rise and Fall Time (Note 2) ′ACT Devices except Schmitt Inputs VCC @ 5.5 V – 8.0 – ns/V TJ Junction Temperature (PDIP) – – 140 °C TA Operating Ambient Temperature Range –40 25 85 °C IOH Output Current – High – – –24 mA IOL Output Current – Low – – 24 mA 1. VIN from 30% to 70% VCC ; see individual Data Sheets for devices that differ from the typical input rise and fall times. 2. VIN from 0.8 V to 2.0 V; see individual Data Sheets for devices that differ from the typical input rise and fall times.
MC74AC244, MC74ACT244 http://onsemi.com DC CHARACTERISTICS 74AC 74AC Symbol Parameter VCC (V) TA = +25°C TA = –40°C to +85°C Unit Conditions Typ Guaranteed Limits 5.5 2.75 3.85 3.85 5.5 2.75 1.65 1.65 VOH Minimum High Level 3.0 2.99 2.9 2.9 IOUT = –50 µAg Output Voltage 4.5 4.49 4.4 4.4 V 5.5 5.49 5.4 5.4 *VIN = VIL or VIH 3.0 – 2.56 2.46 V –12 mA 4.5 – 3.86 3.76 V IOH –24 mA 5.5 – 4.86 4.76 –24 mA VOL Maximum Low Level 3.0 0.002 0.1 0.1 IOUT = 50 µA Output Voltage 4.5 0.001 0.1 0.1 V 5.5 0.001 0.1 0.1 *VIN = VIL or VIH 3.0 – 0.36 0.44 V 12 mA 4.5 – 0.36 0.44 V IOL 24 mA 5.5 – 0.36 0.44 24 mA IIN Maximum Input 55 – ±01 ±10 µA VI=V CC GNDLeakage Current 5.5 – ±0.1 ±1.0 µA VI = VCC , GND IOZ Maximum VI (OE) = VIL, VIH 3–State C 5.5 – ±0.5 ±5.0 µA VI = VCC , GND Current VO = VCC , GND IOLD †Minimum Dynamic Ot t C t 5.5 – – 75 mA VOLD = 1.65 V Max IOHD Output Current 5.5 – – –75 mA VOHD = 3.85 V Min ICC Maximum Quiescent 55 – 80 80 µA VIN =V CC or GNDQ Supply Current 5.5 – 8.0 80 µA VIN = VCC or GND *All outputs loaded; thresholds on input associated with output under test. †Maximum test duration 2.0 ms, one output loaded at a time. NOTE: I IN and ICC @ 3.0 V are guaranteed to be less than or equal to the respective limit @ 5.5 V VCC .
MC74AC244, MC74ACT244 http://onsemi.com AC CHARACTERISTICS (For Figures and Waveforms – See Section 3) 74AC 74AC Symbol Parameter VCC * (V) TA = +25°C C L = 50 pF TA = –40°C to +85°C C L = 50 pF Unit Fig. No. Min Typ Max Min Max tPLH tPHL *Voltage Range 3.3 V is 3.3 V ±0.3 V. *Voltage Range 5.0 V is 5.0 V ±0.5 V. DC CHARACTERISTICS 74ACT 74ACT Symbol Parameter VCC (V) TA = +25°C TA = –40°C to +85°C Unit Conditions Typ Guaranteed Limits VOH Minimum High Level 4.5 4.49 4.4 4.4 V IOUT = –50 µAg Output Voltage 5.5 5.49 5.4 5.4 V *VIN = VIL or VIH 4.5 – 3.86 3.76 V IOH –24 mA 5.5 – 4.86 4.76 IOH –24 mA VOL Maximum Low Level 4.5 0.001 0.1 0.1 V IOUT = 50 µA Output Voltage 5.5 0.001 0.1 0.1 V *VIN = VIL or VIH 4.5 – 0.36 0.44 V IOL 24 mA 5.5 – 0.36 0.44 IOL 24 mA IIN Maximum Input 55 – ±01 ±10 µA VI=V CC GNDLeakage Current 5.5 – ±0.1 ±1.0 µA VI = VCC , GND IOZ Maximum VI (OE) = VIL, VIH 3–State C 5.5 – ±0.5 ±5.0 µA VI = VCC , GND Current VO = VCC , GND IOLD †Minimum Dynamic Ot t C t 5.5 – – 75 mA VOLD = 1.65 V Max IOHD Output Current 5.5 – – –75 mA VOHD = 3.85 V Min ICC Maximum Quiescent 55 – 80 80 µA VIN =V CC or GNDQ Supply Current 5.5 – 8.0 80 µA VIN = VCC or GND *All outputs loaded; thresholds on input associated with output under test. †Maximum test duration 2.0 ms, one output loaded at a time.
MC74AC244, MC74ACT244 http://onsemi.com AC CHARACTERISTICS (For Figures and Waveforms – See Section 3) 74ACT 74ACT Symbol Parameter VCC * (V) TA = +25°C C L = 50 pF TA = –40°C to +85°C C L = 50 pF Unit Fig. No. Min Typ Max Min Max tPLH Propagation Delay 50 20 65 90 15 10 0 ns 3–5tPLH Pro agation Delay tPHL Propagation Delay 50 20 70 90 15 10 0 ns 3–5tPHL Pro agation Delay *Voltage Range 5.0 V is 5.0 V ±0.5 V. CAPACITANCE Symbol Parameter Value Typ Unit Test Conditions C IN Input Capacitance 4.5 pF VCC = 5.0 V C PD Power Dissipation Capacitance 45 pF VCC = 5.0 V AC 244 ALYW AC244 AWLYYWW MC74AC244N AWLYYWW 74AC244 AWLYWW MARKING DIAGRAMS PDIP–20 SO–20 TSSOP–20 EIAJ–20 ACT 244 ALYW ACT244 AWLYYWW MC74ACT244N AWLYYWW 74ACT244 AWLYWW A = Assembly Location WL, L = Wafer Lot YY , Y = Year WW, W = Work Week
MC74AC244, MC74ACT244 http://onsemi.com PACKAGE DIMENSIONS PDIP–20 N SUFFIX
20 PIN PLASTIC DIP PACKAGE
CASE 738–03 ISSUE E 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. M L J 20 PL MBM0.25 (0.010) T DIM MIN MAX MIN MAX MILLIMETERSINCHES A 25.66 27.171.010 1.070 B 6.10 6.600.240 0.260 C 3.81 4.570.150 0.180 D 0.39 0.550.015 0.022 G 2.54 BSC0.100 BSC J 0.21 0.380.008 0.015 K 2.80 3.550.110 0.140 L 7.62 BSC0.300 BSC M 0 15 0 15 N 0.51 1.010.020 0.040 E 1.27 1.770.050 0.070 –A– SEATING PLANE K N FG D 20 PL –T– MAM0.25 (0.010) T E B C F 1.27 BSC0.050 BSC SO–20 DW SUFFIX
20 PIN PLASTIC SOIC PACKAGE
CASE 751D–05 ISSUE F B20X H10X C L 18X A1 A SEATING PLANE h X 45 E D M0.25 MB M0.25 SA SBT e T B A DIM MIN MAX MILLIMETERS A 2.35 2.65 A1 0.10 0.25 B 0.35 0.49 C 0.23 0.32 D 12.65 12.95 E 7.40 7.60 e 1.27 BSC H 10.05 10.55 h 0.25 0.75 L 0.50 0.90 0 7 NOTES: 1. DIMENSIONS ARE IN MILLIMETERS. 2. INTERPRET DIMENSIONS AND TOLERANCES PER ASME Y14.5M, 1994. 3. DIMENSIONS D AND E DO NOT INCLUDE MOLD PROTRUSION. 4. MAXIMUM MOLD PROTRUSION 0.15 PER SIDE. 5. DIMENSION B DOES NOT INCLUDE DAMBAR PROTRUSION. ALLOWABLE PROTRUSION SHALL BE 0.13 TOTAL IN EXCESS OF B DIMENSION AT MAXIMUM MATERIAL CONDITION.
MC74AC244, MC74ACT244 http://onsemi.com PACKAGE DIMENSIONS TSSOP–20 DT SUFFIX
20 PIN PLASTIC TSSOP PACKAGE
CASE 948E–02 ISSUE A DIM A MIN MAX MIN MAX INCHES 6.60 0.260 MILLIMETERS B 4.30 4.50 0.169 0.177 C 1.20 0.047 D 0.05 0.15 0.002 0.006 F 0.50 0.75 0.020 0.030 G 0.65 BSC 0.026 BSC H 0.27 0.37 0.01 1 0.015 J 0.09 0.20 0.004 0.008 J1 0.09 0.16 0.004 0.006 K 0.19 0.30 0.007 0.012 K1 0.19 0.25 0.007 0.010 L 6.40 BSC 0.252 BSC M 0 8 0 8 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-. ÍÍÍ ÍÍÍ ÍÍÍ 11 0 1120 PIN 1 IDENT A B –T– 0.100 (0.004) C D G H SECTION N–N K JJ 1 N N M F –W– SEATING PLANE –V– –U– SUM0.10 (0.004) V ST 20X REFK L L/22X SU0.15 (0.006) T DETAIL E 0.25 (0.010) DETAIL E 6.40 0.252 --- --- SU0.15 (0.006) T EIAJ–20 M SUFFIX
20 PIN PLASTIC EIAJ PACKAGE
CASE 967–01 ISSUE O DIM MIN MAX MIN MAX INCHES --- 2.05 --- 0.081 MILLIMETERS 0.05 0.20 0.002 0.008 0.35 0.50 0.014 0.020 0.18 0.27 0.007 0.01 1 12.35 12.80 0.486 0.504 5.10 5.45 0.201 0.215 1.27 BSC 0.050 BSC 7.40 8.20 0.291 0.323 0.50 0.85 0.020 0.033 1.10 1.50 0.043 0.059 0.70 0.90 0.028 0.035 --- 0.81 --- 0.032 HE LE 10 0 10 NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: MILLIMETER. 3. DIMENSIONS D AND E DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS AND ARE MEASURED AT THE PARTING LINE. MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.15 (0.006) PER SIDE. 4. TERMINAL NUMBERS ARE SHOWN FOR REFERENCE ONLY. 5. THE LEAD WIDTH DIMENSION (b) DOES NOT INCLUDE DAMBAR PROTRUSION. ALLOWABLE DAMBAR PROTRUSION SHALL BE 0.08 (0.003) TOTAL IN EXCESS OF THE LEAD WIDTH DIMENSION AT MAXIMUM MATERIAL CONDITION. DAMBAR CANNOT BE LOCATED ON THE LOWER RADIUS OR THE FOOT. MINIMUM SPACE BETWEEN PROTRUSIONS AND ADJACENT LEAD TO BE 0.46 ( 0.018). H E A 1 LE Q 1 c A Z D E 11 0 b M0.13 (0.005) e 0.10 (0.004) VIEW P DETAIL P M L A b c D E e L M Z
MC74AC244, MC74ACT244 http://onsemi.com ON Semiconductor and are trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. “Typical” parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. SCILLC does not convey any license under its patent rights nor the rights of others. SCILLC products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the SCILLC product could create a situation where personal injury or death may occur. Should Buyer purchase or use SCILLC products for any such unintended or unauthorized application, Buyer shall indemnify and hold SCILLC and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that SCILLC was negligent regarding the design or manufacture of the part. SCILLC is an Equal Opportunity/Affirmative Action Employer. PUBLICATION ORDERING INFORMATION JAPAN : ON Semiconductor, Japan Customer Focus Center 4–32–1 Nishi–Gotanda, Shinagawa–ku, Tokyo, Japan 141–0031 Phone : 81–3–5740–2700 Email: r14525@onsemi.com ON Semiconductor Website: http://onsemi.com For additional information, please contact your local Sales Representative. MC74AC244/D Literature Fulfillment: Literature Distribution Center for ON Semiconductor P .O. Box 5163, Denver, Colorado 80217 USA Phone : 303–675–2175 or 800–344–3860 Toll Free USA/Canada Fax: 303–675–2176 or 800–344–3867 Toll Free USA/Canada Email: ONlit@hibbertco.com N. American Technical Support: 800–282–9855 Toll Free USA/Canada