HD74AC244/HD74ACT244 Octal Buffer/Line Driver with 3-State Output REJ03D0262-0200Z (Previous ADE-205-383 (Z)) Rev.2.00 Jul.16.2004 Description The HD74AC244/HD74ACT244 is an octal buffer and line driver designed to be employed as a memory address driver, clock driver and bus-oriented transmitter/receive which provides improved PC board density. Features * 3-State Outputs Drive Bus Lines or Buffer Memory Address Registers * Outputs Source/Sink 24 mA * HD74ACT244 has TTL-Compatible Inputs * Ordering Information: Ex. HD74AC244 Part Name Package Type Package Code Package Abbreviation Taping Abbreviation (Quantity) HD74AC244P DIP-20 pin DP-20N, -20NEV P -- HD74AC244FPEL SOP-20 pin (JEITA) FP-20DAV EL (2,000 pcs/reel) FP HD74AC244RPEL SOP-20 pin (JEDEC) FP-20DBV RP EL (1,000 pcs/reel) HD74AC244TELL TSSOP-20 pin T ELL (2,000 pcs/reel) TTP-20DAV Notes: 1. Please consult the sales office for the above package availability. 2. The packages with lead-free pins are distinguished from the conventional products by adding V at the end of the package code. Pin Arrangement OE1 1 20 VCC 1A1 2 19 OE2 2Y4 3 18 1Y1 1A2 4 17 2A4 2Y3 5 16 1Y2 1A3 6 15 2A3 2Y2 7 14 1Y3 1A4 8 13 2A2 2Y1 9 12 1Y4 GND 10 11 2A1 (Top view) Rev.2.00, Jul.16.2004, page 1 of 8 HD74AC244/HD74ACT244 Truth Tables Inputs Outputs (Pins 12, 14, 16, 18) OE1 A Y L L L L H H X H Z Inputs Outputs (Pins 3, 5, 7, 9) OE2 A Y L L L L H H X H Z H L X Z : : : : High Voltage Level Low Voltage Level Immaterial High Impedance Absolute Maximum Ratings Item Symbol Ratings Unit Condition Supply voltage DC input diode current VCC IIK -0.5 to 7 -20 V mA VI 20 -0.5 to Vcc+0.5 mA V VI = Vcc+0.5V DC input voltage DC output diode current IOK -50 50 mA mA VO = -0.5V VO = Vcc+0.5V DC output voltage DC output source or sink current VO IO -0.5 to Vcc+0.5 50 V mA DC VCC or ground current per output pin Storage temperature ICC, IGND Tstg 50 -65 to +150 mA C VI = -0.5V Recommended Operating Conditions: HD74AC244 Item Symbol Ratings Unit Supply voltage Input and Output voltage VCC VI, VO 2 to 6 0 to VCC V V Operating temperature Input rise and fall time (except Schmitt inputs) VIN 30% to 70% VCC Ta tr, tf -40 to +85 8 C ns/V Rev.2.00, Jul.16.2004, page 2 of 8 Condition VCC = 3.0V VCC = 4.5 V VCC = 5.5 V HD74AC244/HD74ACT244 DC Characteristics: HD74AC244 Item Input Voltage Symbol VIH VIL Output voltage VOH VOL Ta = 25C Vcc (V) 3.0 min. 2.1 typ. 1.5 max. -- Ta = -40 to +85C min. max. 2.1 -- 4.5 5.5 3.15 3.85 2.25 2.75 -- -- 3.15 3.85 -- -- 3.0 4.5 -- -- 1.50 2.25 0.9 1.35 -- -- 0.9 1.35 5.5 3.0 -- 2.9 2.75 2.99 1.65 -- -- 2.9 1.65 -- 4.5 5.5 4.4 5.4 4.49 5.49 -- -- 4.4 5.4 -- -- 3.0 4.5 2.58 3.94 -- -- -- -- 2.48 3.80 -- -- 5.5 3.0 4.94 -- -- 0.002 -- 0.1 4.80 -- -- 0.1 4.5 5.5 -- -- 0.001 0.001 0.1 0.1 -- -- 0.1 0.1 3.0 4.5 -- -- -- -- 0.32 0.32 -- -- 0.37 0.37 Unit V Condition VOUT = 0.1 V or VCC -0.1 V VOUT = 0.1 V or VCC -0.1 V V VIN = VIL or VIH IOUT = -50 A VIN = VIL or VIH IOH = -12 mA IOH = -24 mA IOH = -24 mA VIN = VIL or VIH IOUT = 50 A VIN = VIL or VIH IOL = 12 mA IOL = 24 mA Input leakage current IIN 5.5 5.5 -- -- -- -- 0.32 0.1 -- -- 0.37 1.0 A VIN = VCC or GND 3 State current IOZ 5.5 -- -- 0.5 -- 5.0 A IOLD 5.5 -- -- -- 86 -- mA VIN(OE) = VIL, VIH VIN = VCC or GND VOUT = VCC or GND VOLD = 1.1 V IOHD ICC 5.5 5.5 -- -- -- -- -- 8.0 -75 -- -- 80 mA A VOHD = 3.85 V VIN = VCC or ground Dynamic output current* Quiescent supply current IOL = 24 mA *Maximum test duration 2.0 ms, one output loaded at a time. Recommended Operating Conditions: HD74ACT244 Item Symbol Ratings Unit Supply voltage Input and output voltage VCC VI, VO 2 to 6 0 to VCC V V Operating temperature Input rise and fall time (except Schmitt inputs) VIN 0.8 to 2.0 V Ta tr, tf -40 to +85 8 C ns/V Rev.2.00, Jul.16.2004, page 3 of 8 Condition VCC = 4.5V VCC = 5.5V HD74AC244/HD74ACT244 DC Characteristics: HD74ACT244 Item Input voltage Output voltage Symbol Ta = 25C VIH 4.5 min. 2.0 typ. 1.5 max. -- Ta = -40 to +85C min. max. 2.0 -- VIL 5.5 4.5 2.0 -- 1.5 1.5 -- 0.8 2.0 -- -- 0.8 VOH 5.5 4.5 -- 4.4 1.5 4.49 0.8 -- -- 4.4 0.8 -- 5.5 4.5 5.4 3.94 5.49 -- -- -- 5.4 3.80 -- -- 5.5 4.5 4.94 -- -- 0.001 -- 0.1 4.80 -- -- 0.1 5.5 4.5 -- -- 0.001 -- 0.1 0.32 -- -- 0.1 0.37 -- -- -- -- 0.32 0.1 -- -- 0.37 1.0 VOL VCC (V) Unit V Condition VOUT = 0.1 V or VCC-0.1 V VOUT = 0.1 V or VCC -0.1 V V VIN = VIL or VIH IOUT = -50 A VIN = VIL IOH = -24 mA IOH = -24 mA VIN = VIL or VIH IOUT = 50 A VIN = VIL IOL = 24 mA Input current IIN 5.5 5.5 IOL = 24 mA A VIN = VCC or GND 3 State current IOZ 5.5 -- -- 0.5 -- 5.0 A ICC/input current ICCT 5.5 -- 0.6 -- -- 1.5 mA VIN = VIL, VIH VOUT = VCC or GND VIN = VCC-2.1 V Dynamic output current* IOLD IOHD 5.5 5.5 -- -- -- -- -- -- 86 -75 -- -- mA mA VOLD = 1.1 V VOHD = 3.85 V Quiescent supply current ICC 5.5 -- -- 8.0 -- 80 A VIN = VCC or ground *Maximum test duration 2.0 ms, one output loaded at a time. AC Characteristics: HD74AC244 Item Symbol VCC (V)*1 Ta = +25C CL = 50 pF Min Typ Max Ta = -40C to +85C CL = 50 pF Min Max Unit Propagation delay Data to output tPLH 3.3 5.0 1.0 1.0 6.5 5.0 9.0 7.0 1.0 1.0 10.0 7.5 ns Propagation delay Data to output tPHL 3.3 5.0 1.0 1.0 6.5 5.0 9.0 7.0 1.0 1.0 10.0 7.5 ns Output enable time tZH 3.3 5.0 1.0 1.0 6.0 5.0 10.5 7.0 1.0 1.0 11.0 8.0 ns Output enable time tZL 3.3 5.0 1.0 1.0 7.5 5.5 10.0 8.0 1.0 1.0 11.0 8.5 ns Output disable time tHZ 3.3 5.0 1.0 1.0 7.0 6.5 10.0 9.0 1.0 1.0 10.5 9.5 ns Output disable time tLZ 3.3 5.0 1.0 1.0 7.5 6.5 10.5 9.0 1.0 1.0 11.5 9.5 ns Note: 1. Voltage Range 3.3 is 3.3 V 0.3 V Voltage Range 5.0 is 5.0 V 0.5 V Rev.2.00, Jul.16.2004, page 4 of 8 HD74AC244/HD74ACT244 AC Characteristics: HD74ACT244 Ta = +25C CL = 50 pF Item Propagation delay Data to output Ta = -40C to +85C CL = 50 pF tPLH VCC (V)*1 Min 5.0 1.0 Typ 6.5 Max 9.0 1.0 Max 10.0 ns ns Symbol Min Unit Propagation delay Data to output Output enable time tPHL 5.0 1.0 7.0 9.0 1.0 10.0 tZH 5.0 1.0 6.0 8.5 1.0 9.5 ns Output enable time Output disable time tZL tHZ 5.0 5.0 1.0 1.0 7.0 7.0 9.5 9.5 1.0 1.0 10.5 10.5 ns ns Output disable time tLZ 5.0 1.0 7.5 10.0 1.0 10.5 ns Note: 1. Voltage Range 5.0 is 5.0 V 0.5 V Capacitance Item Input capacitance Symbol CIN 4.5 pF VCC = 5.5 V Power dissipation capacitance CPD 45.0 pF VCC = 5.0 V Rev.2.00, Jul.16.2004, page 5 of 8 Typ Unit Condition HD74AC244/HD74ACT244 Package Dimensions As of January, 2003 Unit: mm 24.50 25.40 Max 6.30 11 1 7.00 Max 20 10 2.54 0.25 0.51 Min 1.27 Max 0.48 0.10 2.54 Min 5.08 Max 1.30 0.89 7.62 + 0.11 0.25 - 0.05 0 - 15 Package Code JEDEC JEITA Mass (reference value) DP-20N -- Conforms 1.26 g Unit: mm 24.50 25.40 Max 1 7.00 Max 11 6.30 20 10 1.30 2.54 0.25 *0.48 0.08 0.51 Min 1.27 Max 2.54 Min 5.08 Max 0.89 7.62 *0.25 0.06 0 - 15 *NI/Pd/AU Plating Rev.2.00, Jul.16.2004, page 6 of 8 Package Code JEDEC JEITA Mass (reference value) DP-20NEV -- Conforms 1.26 g HD74AC244/HD74ACT244 As of January, 2003 Unit: mm 12.6 13 Max 11 1 10 1.27 *0.40 0.06 0.20 7.80 +- 0.30 1.15 0 - 8 0.10 0.10 0.80 Max *0.20 0.05 2.20 Max 5.5 20 0.70 0.20 0.15 0.12 M Package Code JEDEC JEITA Mass (reference value) *Ni/Pd/Au plating FP-20DAV -- Conforms 0.31 g As of January, 2003 Unit: mm 12.8 13.2 Max 11 1 10 1.27 *0.40 0.06 0.20 0.10 0.935 Max *0.25 0.05 2.65 Max 7.50 20 0.25 10.40 +- 0.40 1.45 0 - 8 0.57 0.70 +- 0.30 0.15 0.12 M *Ni/Pd/Au plating Rev.2.00, Jul.16.2004, page 7 of 8 Package Code JEDEC JEITA Mass (reference value) FP-20DBV Conforms -- 0.52 g HD74AC244/HD74ACT244 As of January, 2003 Unit: mm 6.50 6.80 Max 11 1 10 4.40 20 0.65 *0.20 0.05 1.0 0.13 M 6.40 0.20 *Ni/Pd/Au plating Rev.2.00, Jul.16.2004, page 8 of 8 0.07 +0.03 -0.04 0.10 *0.15 0.05 1.10 Max 0.65 Max 0 - 8 0.50 0.10 Package Code JEDEC JEITA Mass (reference value) TTP-20DAV -- -- 0.07 g Sales Strategic Planning Div. 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