74ACT244MTCX

Revised March 2005 74AC244 • 74ACT244 Octal Buffer/Line Driver with 3-STATE Outputs General Description Features The AC/ACT244 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. ■ ICC and IOZ reduced by 50% ■ 3-STATE outputs drive bus lines or buffer memory address registers ■ Outputs source/sink 24 mA ■ ACT244 has TTL-compatible inputs Ordering Code: Order Number Package Package Description Number 74AC244SC M20B 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide 74AC244SCX_NL (Note 1) M20B Pb-Free 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide 74AC244SJ M20D Pb-Free 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide 74AC244MTC MTC20 20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide 74AC244MTCX_NL (Note 1) MTC20 Pb-Free 20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide 74AC244PC N20A 74ACT244SC M20B 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide 74ACT244SCX_NL (Note 1) M20B Pb-Free 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide 74ACT244SJ 74ACT244MSA M20D MSA20 20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide Pb-Free 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide 20-Lead Shrink Small Outline Package (SSOP), JEDEC MO-150, 5.3mm Wide 74ACT244MTC MTC20 20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide 74ACT244MTCX_NL (Note 1) MTC20 Pb-Free 20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide 74ACT244PC N20A 20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code. Pb-Free package per JEDEC J-STD-020B. Note 1: “_NL” indicates Pb-Free package (per JEDEC J-STD-020B). Please use order number as indicated. FACT¥ is a trademark of Fairchild Semiconductor Corporation. © 2005 Fairchild Semiconductor Corporation DS009943 www.fairchildsemi.com 74AC244 • 74ACT244 Octal Buffer/Line Driver with 3-STATE Outputs November 1988 74AC244 • 74ACT244 Pin Descriptions Logic Symbol Pin Names IEEE/IEC Description OE1, OE2 3-STATE Output Enable Inputs I0–I7 Inputs O0–O7 Outputs Truth Tables Inputs L L L H H H X Z In (Pins 3, 5, 7, 9) Inputs OE2 X Z 2 (Pins 12, 14, 16, 18) L Connection Diagram www.fairchildsemi.com Outputs In OE1 Outputs L L L L H H H X Z Immaterial High Impedance Recommended Operating Conditions 0.5V to 7.0V Supply Voltage (VCC) DC Input Diode Current (IIK) VI VI 0.5V VCC  0.5V Supply Voltage (VCC) 20 mA 20 mA 0.5V to VCC  0.5V DC Input Voltage (VI) DC Output Diode Current (IOK) VO VO 0.5V VCC  0.5V 20 mA 20 mA 0.5V to VCC  0.5V DC Output Voltage (VO) 0V to VCC 40qC to 85qC VIN from 30% to 70% of VCC VCC @ 3.3V, 4.5V, 5.5V 125 mV/ns Minimum Input Edge Rate ('V/'t) r50 mA 65qC to 150qC ACT Devices VIN from 0.8V to 2.0V Junction Temperature (TJ) VCC @ 4.5V, 5.5V 140qC PDIP 0V to VCC Output Voltage (VO) AC Devices DC VCC or Ground Current per Output Pin (ICC or IGND) 4.5V to 5.5V Input Voltage (VI) Operating Temperature (TA) r50 mA Storage Temperature (TSTG) 2.0V to 6.0V ACT Minimum Input Edge Rate ('V/'t) DC Output Source or Sink Current (IO) AC 125 mV/ns Note 2: Absolute maximum ratings are those values beyond which damage to the device may occur. The databook specifications should be met, without exception, to ensure that the system design is reliable over its power supply, temperature, and output/input loading variables. Fairchild does not recommend operation of FACT¥ circuits outside databook specifications. DC Electrical Characteristics for AC Symbol VIH VIL VOH VOL IIN 25qC 55qC to 125qC TA 40qC to 85qC VCC TA (V) Typ Minimum HIGH Level 3.0 1.5 2.1 2.1 2.1 Input Voltage 4.5 2.25 3.15 3.15 3.15 3.85 Parameter TA Guaranteed Limits 5.5 2.75 3.85 3.85 Maximum LOW Level 3.0 1.5 0.9 0.9 0.9 Input Voltage 4.5 2.25 1.35 1.35 1.35 1.65 5.5 2.75 1.65 1.65 Minimum HIGH Level 3.0 2.99 2.9 2.9 2.9 Output Voltage 4.5 4.49 4.4 4.4 4.4 5.5 5.49 5.4 5.4 5.4 3.0 2.56 2.4 2.46 4.5 3.86 3.7 3.76 5.5 4.86 4.7 4.76 Maximum LOW Level 3.0 0.002 0.1 0.1 0.1 Output Voltage 4.5 0.001 0.1 0.1 0.1 5.5 0.001 0.1 0.1 0.1 Maximum Input (Note 5) Leakage Current IOZ Maximum 3-STATE Units Conditions VOUT 0.1V or VCC  0.1V V VOUT 0.1V V or VCC  0.1V V IOUT V 50 PA IOH 12 mA IOH 24 mA IOH 24 mA (Note 3) 50 PA V IOUT IOL 12 mA V IOL 24 mA 3.0 0.36 0.50 0.44 4.5 0.36 0.50 0.44 5.5 0.36 0.50 0.44 5.5 r0.1 r1.0 r1.0 PA 5.5 r0.25 r5.0 r2.5 PA IOL VI 24 mA (Note 3) VCC, GND VI (OE) Current VCC, VGND VO VCC, GND IOLD Minimum Dynamic 5.5 50 75 mA VOLD IOHD Output Current (Note 4) 5.5 50 75 mA VOHD ICC Maximum Quiescent 5.5 80.0 40.0 PA VIN (Note 5) 4.0 Supply Current VIL, VIH VI 1.65V Max 3.85V Min VCC or GND Note 3: All outputs loaded; thresholds on input associated with output under test. Note 4: Maximum test duration 2.0 ms, one output loaded at a time. Note 5: IIN and ICC @ 3.0V are guaranteed to be less than or equal to the respective limit @ 5.5V VCC. 3 www.fairchildsemi.com 74AC244 • 74ACT244 Absolute Maximum Ratings(Note 2) 74AC244 • 74ACT244 DC Electrical Characteristics for ACT Symbol VIH VIL VOH 25qC TA 55qC to 125qC TA 40qC to 85qC VCC TA (V) Typ Minimum HIGH Level 4.5 1.5 2.0 2.0 2.0 Input Voltage 5.5 1.5 2.0 2.0 2.0 Maximum LOW Level 4.5 1.5 0.8 0.8 0.8 Input Voltage 5.5 1.5 0.8 0.8 0.8 Parameter Guaranteed Limits Minimum HIGH Level 4.5 4.49 4.4 4.4 4.4 Output Voltage 5.5 5.49 5.4 5.4 5.4 4.5 3.86 3.70 3.76 5.5 4.86 4.70 4.76 Units V V V Conditions VOUT 0.1V or VCC  0.1V VOUT 0.1V or VCC  0.1V 50 PA IOUT IOH VOL IIN V 12 IOH 24 mA IOH 24 mA (Note 6) 50 PA Maximum LOW Level 4.5 0.001 0.1 0.1 0.1 Output Voltage 5.5 0.001 0.1 0.1 0.1 4.5 0.36 0.50 0.44 5.5 0.36 0.50 0.44 5.5 r0.1 r1.0 r1.0 PA VI VCC, GND 5.5 r0.25 r5.0 r2.5 PA VI VIL, VIH Maximum Input V V IOUT IOL 12 mA IOL 24 mA IOL 24 mA (Note 6) Leakage Current IOZ Maximum 3-STATE Current ICCT Maximum 5.5 0.6 1.6 VO VCC, GND VCC  2.1V 1.5 mA VI ICC/Input IOLD Minimum Dynamic 5.5 50 75 mA VOLD IOHD Output Current (Note 7) 5.5 50 75 mA VOHD ICC Maximum Quiescent 5.5 80.0 40.0 PA VIN 4.0 Supply Current 3.85V Min VCC or GND Note 6: All outputs loaded; thresholds on input associated with output under test. Note 7: Maximum test duration 2.0 ms, one output loaded at a time. www.fairchildsemi.com 1.65V Max 4 Symbol tPLH tPHL tPZH tPZL Parameter 25qC CL 50 pF TA 55qC to 125qC TA 40qC to 85qC CL CL 50 pF 50 pF Min Typ Max Min Max Min Max Propagation Delay 3.3 2.0 6.5 9.0 1.0 12.5 1.5 10.0 Data to Output 5.0 1.5 5.0 7.0 1.0 9.5 1.0 7.5 Propagation Delay 3.3 2.0 6.5 9.0 1.0 12.0 2.0 10.0 Data to Output 5.0 1.5 5.0 7.0 1.0 9.0 1.0 7.5 Output Enable Time 3.3 2.0 6.0 10.5 1.0 11.5 1.5 11.0 5.0 1.5 5.0 7.0 1.0 9.0 1.5 8.0 3.3 2.5 7.5 10.0 1.0 13.0 2.0 11.0 5.0 1.5 5.5 8.0 1.0 10.5 1.5 8.5 3.3 3.0 7.0 10.0 1.0 12.5 1.5 10.5 5.0 2.5 6.5 9.0 1.0 10.5 1.0 9.5 3.3 2.5 7.5 10.5 1.0 13.0 2.5 11.5 5.0 2.0 6.5 9.0 1.0 11.0 2.0 9.5 Output Disable Time tPLZ TA (V) (Note 8) Output Enable Time tPHZ VCC Output Disable Time Units ns ns ns ns ns ns Note 8: Voltage Range 3.3 is 3.3V r 0.3V Voltage Range 5.0 is 5.0V r 0.5V AC Electrical Characteristics for ACT Symbol tPLH VCC TA 25qC (V) CL 50 pF Parameter TA 55qC to 125qC TA 40qC to 85qC CL CL 50 pF 50 pF Units (Note 9) Min Typ Max Min Max Min Max 5.0 2.0 6.5 9.0 1.0 10.0 1.5 10.0 ns 5.0 2.0 7.0 9.0 1.0 10.0 1.5 10.0 ns Propagation Delay Data to Output tPHL Propagation Delay Data to Output tPZH Output Enable Time 5.0 1.5 6.0 8.5 1.0 9.5 1.0 9.5 ns tPZL Output Enable Time 5.0 2.0 7.0 9.5 1.0 11.0 1.5 10.5 ns tPHZ Output Disable Time 5.0 2.0 7.0 9.5 1.0 11.0 1.5 10.5 ns tPLZ Output Disable Time 5.0 2.5 7.5 10.0 1.0 11.5 2.0 10.5 ns Note 9: Voltage Range 5.0 is 5.0V r 0.5V Capacitance Typ Units CIN Symbol Input Capacitance Parameter 4.5 pF VCC OPEN CPD Power Dissipation Capacitance 45.0 pF VCC 5.0V 5 Conditions www.fairchildsemi.com 74AC244 • 74ACT244 AC Electrical Characteristics for AC 74AC244 • 74ACT244 Physical Dimensions inches (millimeters) unless otherwise noted 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide Package Number M20B www.fairchildsemi.com 6 74AC244 • 74ACT244 Physical Dimensions inches (millimeters) unless otherwise noted (Continued) Pb-Free 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide Package Number M20D 7 www.fairchildsemi.com 74AC244 • 74ACT244 Physical Dimensions inches (millimeters) unless otherwise noted (Continued) 20-Lead Shrink Small Outline Package (SSOP), JEDEC MO-150, 5.3mm Wide Package Number MSA20 www.fairchildsemi.com 8 74AC244 • 74ACT244 Physical Dimensions inches (millimeters) unless otherwise noted (Continued) 20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide Package Number MTC20 9 www.fairchildsemi.com 74AC244 • 74ACT244 Octal Buffer/Line Driver with 3-STATE Outputs Physical Dimensions inches (millimeters) unless otherwise noted (Continued) 20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide Package Number N20A Fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and Fairchild reserves the right at any time without notice to change said circuitry and specifications. LIFE SUPPORT POLICY FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: 2. A critical component in any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury to the user. www.fairchildsemi.com www.fairchildsemi.com 10