74AHCT1G126 SINGLE BUFFER GATE WITH 3-STATE OUTPUT Description Pin Assignments The 74AHCT1G126 is a single non-inverting buffer/bus driver (Top View) with a 3-state output. The output enters a high impedance state when a LOW-level is applied to the output enable (OE) pin. supply range of 4.5V to 5.5V. NEW PRODUCT 5 Vcc OE 1 The device is designed for operation with a power A 2 GND 3 4 Y SOT25 / SOT353 Features Applications • Supply Voltage Range from 4.5V to 5.5V • • ± 8 mA Output Drive at 5.0V • • CMOS low power consumption o PCs, networking, notebooks, netbooks, PDAs • • General Purpose Logic Wide array of products such as: Schmitt Trigger Action at All Inputs Make the Circuit o Computer peripherals, hard drives, CD/DVD ROM Tolerant for Slower Input Rise and Fall Time. o TV, DVD, DVR, set top box ESD Protection per JESD 22 o Phones, Personal Navigation / GPS o MP3 players ,Cameras, Video Recorders o Exceeds 200-V Machine Model (A115-A) o Exceeds 2000-V Human Body Model (A114-A) o Exceeds 1000-V Charged Device Model (C101C) • Latch-Up Exceeds 100mA per JESD 78, Class II • SOT25 and SOT353: Assembled with “Green” Molding Compound (no Br, Sb) • Lead Free Finish / RoHS Compliant (Note 1) Notes: 1. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied. Please visit our website at http://www.diodes.com/products/lead_free.html. 74AHCT1G126 Document number: DS35187Rev. 1 - 2 1 of 9 www.diodes.com May 2011 © Diodes Incorporated 74AHCT1G126 SINGLE BUFFER GATE WITH 3-STATE OUTPUT NEW PRODUCT Pin Descriptions Pin Name Pin No. Description OE A GND Y 1 2 3 4 Output Enable Data Input Ground Data Output VCC 5 Supply Voltage Logic Diagram OE A 1 2 4 Y Function Table OE Inputs A Output Y H H L H L X H L Z 74AHCT1G126 Document number: DS35187Rev. 1 - 2 2 of 9 www.diodes.com May 2011 © Diodes Incorporated 74AHCT1G126 SINGLE BUFFER GATE WITH 3-STATE OUTPUT Absolute Maximum Ratings (Note 2) Symbol ESD HBM ESD CDM ESD MM NEW PRODUCT VCC Human Body Model ESD Protection Charged Device Model ESD Protection Machine Model ESD Protection Supply Voltage Range VI Input Voltage Range VO Voltage applied to output in high or low state Rating Unit 2 1 200 KV KV V -0.5 to 6.5 V -0.5 to 6.5 V -0.5 to VCC +0.5 V IIK Input Clamp Current VI<0 -20 mA IOK Output Clamp Current (VO < 0 or VO > VCC) ±20 mA ±25 mA 50 mA IO Continuous output current (VO = 0 to VCC) ICC Continuous current through VCC IGND Continuous current through GND -50 mA TJ Operating Junction Temperature -40 to 150 °C Storage Temperature -65 to 150 °C TSTG Notes: Description 2. Stresses beyond the absolute maximum may result in immediate failure or reduced reliability. These are stress values and device operation should be within recommend values. Recommended Operating Conditions (Note 3) Symbol Min Max Unit VCC Operating Voltage Parameter 4.5 5.5 V VIH High-level Input Voltage 2.0 VIL Low-level input voltage V 0.8 V VI Input Voltage 0 5.5 V VO Output Voltage 0 VCC V IOH High-level output current -8 mA IOL Low-level output current 8 mA Δt/ΔV Input transition rise or fall rate 20 ns/V 125 ºC TA Notes: Operating free-air temperature -40 3. Unused inputs should be held at VCC or Ground. 74AHCT1G126 Document number: DS35187Rev. 1 - 2 3 of 9 www.diodes.com May 2011 © Diodes Incorporated 74AHCT1G126 SINGLE BUFFER GATE WITH 3-STATE OUTPUT Electrical Characteristics Symbol Test Conditions VCC 4.5V VOH IOH = -50μA High Level Output Voltage IOH = -8mA Min 4.4 4.5V 3.94 VOL IOL = 50μA Low Level Output Voltage IOL = 8mA 4.5V II NEW PRODUCT Parameter Input Current VI = 5.5V or GND IOZ Z State Leakage Current VO =0 to 5.5V ICC Supply Current Ci ΔICC θJA θJC Note: VI = 5.5V or GND IO=0 VI = VCC – or Input Capacitance GND One input at 3.4 Additional V Other inputs at Supply Current VCC or GND Thermal SOT25 Resistance Junction-toSOT353 Ambient Thermal SOT25 Resistance Junction-toSOT353 Case 25ºC Typ. 4.5 Max -40ºC to 85ºC Min Max 4.4 3.8 0 -40ºC to 125ºC Min Max 4.4 Unit V 3.70 0.1 0.1 0.1 4.5V 0.36 0.44 0.55 0 to 5.5V ± 0.1 ±1 ±2 μA 5.5V 0.25 2.5 10 μA 5.5V 1 10 40 μA 10 10 10 pF 1.35 1.5 5.5V 2.0 5.5V 204 (Note 4) V mA o C/W o C/W 371 52 (Note 4) 143 4. Test conditions for SOT25, and SOT353: Device mounted on FR-4 substrate PC board, 2oz copper, with minimum recommended pad layout. 74AHCT1G126 Document number: DS35187Rev. 1 - 2 4 of 9 www.diodes.com May 2011 © Diodes Incorporated 74AHCT1G126 SINGLE BUFFER GATE WITH 3-STATE OUTPUT Switching Characteristics VCC = 5V ± 0.5V (see Figure 1) Parameter From (Input) TO (OUTPUT) tpd A Y NEW PRODUCT ten tdis OE OE Y Y Min 25ºC Typ. Max -40ºC to 85ºC Min Max -40ºC to 125ºC Min Max CL=15pF 0.6 3.4 5.5 0.6 6.5 0.6 7.0 ns CL=50pF 0.6 4.7 7.5 0.6 8.5 0.6 9.5 ns CL=15pF 0.6 3.6 5.6 0.6 6.3 0.6 6.5 ns Unit CL=50pF 0.6 5.4 8.0 0.6 9.0 0.6 9.0 ns CL=15pF 0.6 4.3 6.8 0.6 8.0 0.6 8.5 ns CL=50pF 0.6 6.1 8.8 0.6 10.0 0.6 11.0 ns Operating Characteristics TA = 25 ºC Parameter Cpd Power dissipation capacitance 74AHCT1G126 Document number: DS35187Rev. 1 - 2 Test Conditions f = 1 MHz No Load 5 of 9 www.diodes.com VCC = 5 V Typ. 11 Unit pF May 2011 © Diodes Incorporated 74AHCT1G126 SINGLE BUFFER GATE WITH 3-STATE OUTPUT Parameter Measurement Information Vcc Open GND RL=1 kΩ S1 Under Test CL NEW PRODUCT (see Note A) Vcc Inputs TEST S1 tPLH/tPHL Open tPLZ/tPZL Vload tPHZ/tPZH GND VM CL V∆ ≤3ns VCC/2 15pF 0.3V ≤3ns VCC/2 50pF 0.3V VI tr/tf 5V±0.5V VCC 5V±0.5V VCC Voltage Waveform Pulse Duration Voltage Waveform Enable and Disable Times Low and High Level Enabling Voltage Waveform Propagation Delay Times Inverting and Non Inverting Outputs Figure 1. Load Circuit and Voltage Waveforms Notes: A. Includes test lead and test apparatus capacitance. B. All pulses are supplied at pulse repetition rate ≤ 1 MHz. C. Inputs are measured separately one transition per measurement. D. tPLZ and tPHZ are the same as tdis. E. tPZL and tPZH are the same as tEN. F. tPLH and tPHL are the same as tPD. 74AHCT1G126 Document number: DS35187Rev. 1 - 2 6 of 9 www.diodes.com May 2011 © Diodes Incorporated 74AHCT1G126 SINGLE BUFFER GATE WITH 3-STATE OUTPUT Ordering Information Function Logic Device 74 : Logic Prefix 126 : 3-State Buffer OE-High AHCT : 2 to 5.5V Family with TTL input level Package Packing 7 : Tape & Reel W5 : SOT25 SE : SOT353 1G : One gate 7” Tape and Reel Part Number Suffix Device Package Code Packaging (Note 5) Quantity 74AHCT1G126W5-7 74AHCT1G126SE-7 W5 SE SOT25 SOT353 3000/Tape & Reel 3000/Tape & Reel Notes: -7 -7 5. Pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf. Marking Information (Top View) 5 4 7 NEW PRODUCT 74 AHCT 1G 126 XX - 7 XX Y W X 1 2 3 XX : Identification code Y : Year 0~9 W : Week : A~Z : 1~26 week; a~z : 27~52 week; z represents 52 and 53 week X : A~Z : Internal code Part Number Package Identification Code 74AHCT1G126W5 74AHCT1G126SE SOT25 SOT353 ZZ ZZ 74AHCT1G126 Document number: DS35187Rev. 1 - 2 7 of 9 www.diodes.com May 2011 © Diodes Incorporated 74AHCT1G126 SINGLE BUFFER GATE WITH 3-STATE OUTPUT Package Outline Dimensions (All Dimensions in mm) (1) Package Type: SOT25 A NEW PRODUCT B C H K M N J SOT25 Dim Min Max Typ A 0.35 0.50 0.38 B 1.50 1.70 1.60 C 2.70 3.00 2.80 D ⎯ ⎯ 0.95 H 2.90 3.10 3.00 J 0.013 0.10 0.05 K 1.00 1.30 1.10 L 0.35 0.55 0.40 M 0.10 0.20 0.15 N 0.70 0.80 0.75 0° 8° α ⎯ All Dimensions in mm L D (2) Package Type: SOT353 A SOT353 Dim Min Max A 0.10 0.30 B 1.15 1.35 C 2.00 2.20 D 0.65 Typ F 0.40 0.45 H 1.80 2.20 J 0 0.10 K 0.90 1.00 L 0.25 0.40 M 0.10 0.22 0° 8° α All Dimensions in mm B C H K J M D F 74AHCT1G126 Document number: DS35187Rev. 1 - 2 L 8 of 9 www.diodes.com May 2011 © Diodes Incorporated 74AHCT1G126 SINGLE BUFFER GATE WITH 3-STATE OUTPUT IMPORTANT NOTICE DIODES INCORPORATED MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO THIS DOCUMENT, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE (AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION). 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