HD74AC280 9-bit Parity Generator/Checker REJ03D0266–0200Z (Previous ADE-205-387 (Z)) Rev.2.00 Jul.16.2004 Description The HD74AC280 is a high-speed parity generator/checker that accepts nine bits of input data and detects whether an even or an odd number of these inputs is High. If an even number of inputs is High, the Sum Even output is High. If an odd number is High, the Sum Even output is Low. The Sum Odd output is the complement of the Sum Even output. Features • Outputs Source/Sink 24 mA • Ordering Information Part Name Package Type Package Code Package Abbreviation Taping Abbreviation (Quantity) HD74AC280FPEL SOP-14 pin (JEITA) FP-14DAV FP EL (2,000 pcs/reel) HD74AC280RPEL SOP-14 pin (JEDEC) FP-14DNV RP EL (2,500 pcs/reel) 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 I6 1 14 VCC I7 2 13 I5 NC 3 12 I4 I8 4 11 I3 ΣE 5 10 I2 ΣO 6 9 I1 GND 7 8 I0 (Top view) Rev.2.00, Jul.16.2004, page 1 of 7 HD74AC280 Logic Symbol I0 I1 I2 I3 ΣO I4 I5 I6 I7 I8 ΣE Pin Names I0 – I8 ΣO ΣE Data Inputs Odd Parity Output Even Parity Output Truth Table Outputs Σ Even Σ Odd Number of High Inputs I0 – I8 0, 2, 4, 6, 8 H L 1, 3, 5, 7, 9 L H H : L : High Voltage Level Low Voltage Level Rev.2.00, Jul.16.2004, page 2 of 7 HD74AC280 Logic Diagram I8 I7 I6 I5 I4 I3 ΣO I2 I1 I0 ΣE Please note that this diagram is provided only for the understanding of logic operations and should not be used to estimate propagation delays. 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 Rev.2.00, Jul.16.2004, page 3 of 7 VI = –0.5V HD74AC280 Recommended Operating Conditions 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 Condition VCC = 3.0V VCC = 4.5 V VCC = 5.5 V DC Characteristics 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 IOL = 24 mA 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 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 tPLH 3.3 5.0 1.0 1.0 14.5 11.0 17.0 13.0 1.0 1.0 18.5 14.5 ns Propagation delay tPHL 3.3 5.0 1.0 1.0 14.5 11.0 17.0 13.0 1.0 1.0 18.5 14.5 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 7 HD74AC280 Capacitance Item Input capacitance Power dissipation capacitance Rev.2.00, Jul.16.2004, page 5 of 7 Symbol CIN CPD Typ 4.5 60.0 Unit pF pF Condition VCC = 5.5 V VCC = 5.0 V HD74AC280 Package Dimensions As of January, 2003 Unit: mm 19.20 20.32 Max 8 6.30 7.40 Max 14 1.30 7 2.54 ± 0.25 0.48 ± 0.10 0.51 Min 2.39 Max 2.54 Min 5.06 Max 1 7.62 + 0.10 0.25 – 0.05 0˚ – 15˚ Package Code JEDEC JEITA Mass (reference value) DP-14 Conforms Conforms 0.97 g Unit: mm 19.20 20.32 Max 8 6.30 7.40 Max 14 1.30 7 2.54 ± 0.25 *0.48 ± 0.08 0.51 Min 2.39 Max 2.54 Min 5.06 Max 1 7.62 *0.25 ± 0.06 0˚ – 15˚ *NI/Pd/AU Plating Rev.2.00, Jul.16.2004, page 6 of 7 Package Code JEDEC JEITA Mass (reference value) DP-14AV Conforms Conforms 0.97 g HD74AC280 As of January, 2003 Unit: mm 10.06 10.5 Max 8 5.5 14 1 1.42 Max *0.20 ± 0.05 2.20 Max 7 *0.40 ± 0.06 1.15 0˚ – 8 ˚ 0.10 ± 0.10 1.27 0.20 7.80 +– 0.30 0.70 ± 0.20 0.15 0.12 M Package Code JEDEC JEITA Mass (reference value) *Ni/Pd/Au plating FP-14DAV — Conforms 0.23 g As of January, 2003 Unit: mm 8.65 9.05 Max 8 1 7 *0.20 ± 0.05 0.635 Max 1.75 Max 3.95 14 + 0.10 6.10 – 0.30 1.08 0.67 0.60 +– 0.20 0.14 – 0.04 *0.40 ± 0.06 + 0.11 0˚ – 8˚ 1.27 0.15 0.25 M *Ni/Pd/Au plating Rev.2.00, Jul.16.2004, page 7 of 7 Package Code JEDEC JEITA Mass (reference value) FP-14DNV Conforms Conforms 0.13 g Sales Strategic Planning Div. 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