HD74AC240/HD74ACT240 Octal Buffer/Line Driver with 3-State Output REJ03D0261–0200Z (Previous ADE-205-381 (Z)) Rev.2.00 Jul.16.2004 Description The HD74AC240/HD74ACT240 is an octal buffer and line driver designed to be employed as a memory address driver, clock driver and bus oriented transmitter or receiver which provides improved PC board density. Features • 3-State Outputs Drive Bus Lines or Buffer Memory Address Registers • Outputs Source/Sink 24 mA • HD74ACT240 has TTL-Compatible Inputs • Ordering Information: Ex. HD74AC240 Part Name Package Type Package Code Package Abbreviation Taping Abbreviation (Quantity) HD74AC240P DIP-20 pin DP-20N, -20NEV P — HD74AC240FPEL SOP-20 pin (JEITA) FP-20DAV EL (2,000 pcs/reel) FP HD74AC240RPEL SOP-20 pin (JEDEC) FP-20DBV RP EL (1,000 pcs/reel) HD74AC240TELL 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 HD74AC240/HD74ACT240 Truth Tables Inputs Outputs (Pins 12, 14, 16, 18) OE1 A Y L L H L H H X L Z Inputs Outputs (Pins 3, 5, 7, 9) OE2 A Y L L H L H H X L 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: HD74AC240 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 HD74AC240/HD74ACT240 DC Characteristics: HD74AC240 Item Input Voltage Symbol VIH VIL Output voltage VOH VOL Ta = 25°°C Vcc (V) 3.0 min. 2.1 typ. 1.5 max. — Ta = –40 to +85°°C 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 µA VIN = VIL or VIH IOH = –12 mA IOH = –24 mA IOH = –24 mA VIN = VIL or VIH IOUT = 50 µA 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 µA VIN = VCC or GND 3 State current IOZ 5.5 — — ±0.5 — ±5.0 µA 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 µA 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: HD74ACT240 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 HD74AC240/HD74ACT240 DC Characteristics: HD74ACT240 Item Input voltage Output voltage Symbol Ta = 25°°C VIH 4.5 min. 2.0 typ. 1.5 max. — Ta = -40 to +85°°C 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 µA VIN = VIL IOH = –24 mA IOH = –24 mA VIN = VIL or VIH IOUT = 50 µA VIN = VIL IOL = 24 mA Input current IIN 5.5 5.5 IOL = 24 mA µA VIN = VCC or GND 3 State current IOZ 5.5 — — ±0.5 — ±5.0 µA 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 µA VIN = VCC or ground *Maximum test duration 2.0 ms, one output loaded at a time. AC Characteristics: HD74AC240 Item Symbol VCC (V)*1 Ta = +25°C CL = 50 pF Min Typ Max Ta = –40°C to +85°C CL = 50 pF Min Max Unit Propagation delay Data to output tPLH 3.3 5.0 1.0 1.0 6.0 4.5 8.0 6.5 1.0 1.0 9.0 7.0 ns Propagation delay Data to output tPHL 3.3 5.0 1.0 1.0 5.0 4.5 8.0 6.0 1.0 1.0 8.5 6.5 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 7.0 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 HD74AC240/HD74ACT240 AC Characteristics: HD74ACT240 Ta = +25°C CL = 50 pF Item Propagation delay Data to output Ta = –40°C to +85°C CL = 50 pF tPLH VCC (V)*1 Min 5.0 1.0 Typ 6.0 Max 8.5 1.0 9.5 ns ns Symbol Min Max Unit Propagation delay Data to output Output enable time tPHL 5.0 1.0 5.5 7.5 1.0 8.5 tZH 5.0 1.0 7.0 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 8.0 9.5 9.5 1.0 1.0 10.5 10.5 ns ns Output disable time tLZ 5.0 1.0 6.5 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 HD74AC240/HD74ACT240 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 HD74AC240/HD74ACT240 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 HD74AC240/HD74ACT240 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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