HD74HC125/HD74HC126 Quad. Bus Buffer Gates (with 3-state outputs) REJ03D0565-0200 (Previous ADE-205-439) Rev.2.00 Oct 11, 2005 Description The HD74HC125, HD74HC126 require the 3-state control input C to be taken high to put the output into the high impedance condition, whereas the HD74HC125, HD74HC126 requires the control input to be low to put the output into high impedance. Features • • • • • • High Speed Operation: tpd = 8 ns typ (CL = 50 pF) High Output Current: Fanout of 15 LSTTL Loads Wide Operating Voltage: VCC = 2 to 6 V Low Input Current: 1 µA max Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C) Ordering Information Part Name HD74HC125P HD74HC126P HD74HC125FPEL HD74HC125FPEL Package Type Package Code (Previous Code) Package Abbreviation Taping Abbreviation (Quantity) DILP-14 pin PRDP0014AB-B (DP-14AV) P — SOP-14 pin (JEITA) PRSP0014DF-B (FP-14DAV) FP EL (2,000 pcs/reel) PRSP0014DE-A RP (FP-14DNV) HD74HC125TELL PTSP0014JA-B TSSOP-14 pin T HD74HC126TELL (TTP-14DV) Note: Please consult the sales office for the above package availability. HD74HC126RPEL EL (2,500 pcs/reel) SOP-14 pin (JEDEC) ELL (2,000 pcs/reel) Function Table Inputs C H: L: X: Z: Output Y A HC125 HC126 HC125 HC126 H L X Z Z L L H H L H L H L H High level Low level Irrelevant Off (high-impedance) state of a 3-state output. Rev.2.00, Oct 11, 2005 page 1 of 8 HD74HC125/HD74HC126 Pin Arrangement • HD74HC125 1C 1 14 VCC 1A 2 13 4C 1Y 3 12 4A 2C 4 11 4Y 2A 5 10 3C 2Y 6 9 3A GND 7 8 3Y (Top view) • HD74HC126 1C 1 14 VCC 1A 2 13 4C 1Y 3 12 4A 2C 4 11 4Y 2A 5 10 3C 2Y 6 9 3A GND 7 8 3Y (Top view) Rev.2.00, Oct 11, 2005 page 2 of 8 HD74HC125/HD74HC126 Absolute Maximum Ratings Item Supply voltage range Input voltage Output voltage Output current DC current drain per VCC, GND DC input diode current DC output diode current Power dissipation per package Storage temperature Symbol Rating Unit VCC VIN VOUT IOUT ICC, IGND IIK IOK PT Tstg –0.5 to +7.0 –0.5 to VCC + 0.5 –0.5 to VCC + 0.5 ±35 ±75 ±20 ±20 500 –65 to +150 V V V mA mA mA mA mW °C Note: The absolute maximum ratings are values, which must not individually be exceeded, and furthermore, no two of which may be realized at the same time. Recommended Operating Conditions Item Supply voltage Symbol VCC Ratings 2 to 6 Unit V Input / Output voltage Operating temperature VIN, VOUT Ta 0 to VCC –40 to 85 V °C tr , tf 0 to 1000 0 to 500 ns Input rise / fall time *1 0 to 400 Note: Conditions VCC = 2.0 V VCC = 4.5 V VCC = 6.0 V 1. This item guarantees maximum limit when one input switches. Waveform: Refer to test circuit of switching characteristics. Electrical Characteristics Ta = 25°C Item Symbol VCC (V) Ta = –40 to+85°C Unit Test Conditions 2.0 Min 1.5 Typ — Max — Min 1.5 Max — 4.5 6.0 3.15 4.2 — — — — 3.15 4.2 — — 2.0 4.5 — — — — 0.5 1.35 — — 0.5 1.35 6.0 2.0 — 1.9 — 2.0 1.8 — — 1.9 1.8 — 4.5 6.0 4.4 5.9 4.5 6.0 — — 4.4 5.9 — — 4.5 6.0 4.18 5.68 — — — — 4.13 5.63 — — 2.0 4.5 — — 0.0 0.0 0.1 0.1 — — 0.1 0.1 6.0 4.5 — — 0.0 — 0.1 0.26 — — 0.1 0.33 IOZ 6.0 6.0 — — — — 0.26 ±0.5 — — 0.33 ±5.0 Input current Iin 6.0 — — ±0.1 — ±1.0 IOL = 7.8 mA µA Vin = VIH or VIL, Vout = VCC or GND µA Vin = VCC or GND Quiescent supply current ICC 6.0 — — 4.0 — 40 µA Vin = VCC or GND, Iout = 0 µA Input voltage VIH VIL Output voltage VOH VOL Off-state output current Rev.2.00, Oct 11, 2005 page 3 of 8 V V V Vin = VIH or VIL IOH = –20 µA IOH = –6 mA IOH = –7.8 mA V Vin = VIH or VIL IOL = 20 µA IOL = 6 mA HD74HC125/HD74HC126 Switching Characteristics (CL = 50 pF, Input tr = tf = 6 ns) Ta = 25°C Item Symbol VCC (V) Propagation delay time tPLH, tPHL Output enable Time tZH, tZL Output disable Time tHZ, tLZ Output rise/fall time tTLH, tTHL Input capacitance Cin 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 — Min — — — — — — — — — — — — — Typ — 8 — — 9 — — 14 — — 4 — 5 Ta = –40 to +85°C Max 100 20 17 150 30 26 150 30 26 60 12 10 10 Min — — — — — — — — — — — — — Max 125 25 21 190 38 33 190 38 33 75 15 13 10 Unit Test Conditions ns ns ns ns pF Test Circuit VCC Pulse generator Z OUT = 50 Ω See Function Table Input VCC Output C A Y Note: C L includes the probe and jig capacitance. Rev.2.00, Oct 11, 2005 page 4 of 8 1 k Ω S1 OPEN See under table GND *1 CL = 50 pF TEST t PLH /tPHL S1 OPEN t ZH/tHZ t ZL /tLZ GND VCC HD74HC125/HD74HC126 Waveforms • HD74HC125 • Waveform – 1 tf tr 90 % 50 % Input A VCC 90 % 50 % 10 % 10 % 0V t PHL t PLH VOH Output Y 50 % 50 % VOL • Waveform – 2 Input C tf tr 90 % 50 % VCC 90 % 50 % 10 % 10 % t ZL 0V t LZ VOH Waveform - A 50 % t ZH Waveform - B 50 % 10 % VOL t HZ 90 % VOH VOL Notes : 1. tr ≤ 6 ns, tf ≤ 6 ns 2. Input waveform : PRR ≤ 1 MHz, duty cycle 50% 3. Waveform– A is for an output with internal conditions such that the output is low except when disabled by the output control. 4. Waveform– B is for an output with internal conditions such that the output is high except when disabled by the output control. Rev.2.00, Oct 11, 2005 page 5 of 8 HD74HC125/HD74HC126 Waveforms • HD74HC126 • Waveform – 1 tf tr 90 % 50 % Input A VCC 90 % 50 % 10 % 10 % 0V t PHL t PLH VOH Output Y 50 % 50 % VOL • Waveform – 2 tr tf VCC 90 % 50 % 90 % 50 % Input C 10 % 10 % 0V t LZ t ZL VOH Waveform - A 50 % t ZH Waveform - B 50 % 10 % VOL t HZ 90 % VOH VOL Notes : 1. tr ≤ 6 ns, tf ≤ 6 ns 2. Input waveform : PRR ≤ 1 MHz, duty cycle 50% 3. Waveform– A is for an output with internal conditions such that the output is low except when disabled by the output control. 4. Waveform– B is for an output with internal conditions such that the output is high except when disabled by the output control. Rev.2.00, Oct 11, 2005 page 6 of 8 HD74HC125/HD74HC126 Package Dimensions JEITA Package Code P-DIP14-6.3x19.2-2.54 RENESAS Code PRDP0014AB-B Previous Code DP-14AV MASS[Typ.] 0.97g D 8 E 14 1 7 b3 Z A1 A Reference Symbol Nom e1 7.62 D 19.2 E 6.3 A1 0.51 bp 0.40 L e1 0.48 c 0.19 θ 0° JEITA Package Code P-SOP14-3.95x8.65-1.27 RENESAS Code PRSP0014DE-A *1 0.56 e 2.29 0.31 2.54 2.79 15° 2.39 L 2.54 MASS[Typ.] 0.13g Previous Code FP-14DNV NOTE) 1. DIMENSIONS"*1 (Nom)"AND"*2" DO NOT INCLUDE MOLD FLASH. 2. DIMENSION"*3"DOES NOT INCLUDE TRIM OFFSET. F D 14 7.4 0.25 Z ( Ni/Pd/Au plating ) 20.32 1.30 b3 c Max 5.06 A θ bp e Dimension in Millimeters Min 8 c *2 Index mark HE E bp Reference Symbol Terminal cross section ( Ni/Pd/Au plating ) Dimension in Millimeters Min Nom Max D 8.65 9.05 E 3.95 A2 A1 7 1 Z e *3 bp 0.10 0.14 A x M bp L1 0.25 1.75 0.34 0.40 0.46 0.15 0.20 0.25 6.10 6.20 b1 c A c1 A1 θ L y Detail F θ 0° HE 5.80 1.27 e x 0.25 y 0.15 0.635 Z L L Rev.2.00, Oct 11, 2005 page 7 of 8 8° 0.40 1 0.60 1.08 1.27 HD74HC125/HD74HC126 JEITA Package Code P-SOP14-5.5x10.06-1.27 RENESAS Code PRSP0014DF-B *1 Previous Code FP-14DAV MASS[Typ.] 0.23g D NOTE) 1. DIMENSIONS"*1 (Nom)"AND"*2" DO NOT INCLUDE MOLD FLASH. 2. DIMENSION"*3"DOES NOT INCLUDE TRIM OFFSET. F 14 8 c *2 E HE bp Index mark Reference Symbol Terminal cross section ( Ni/Pd/Au plating ) 1 e *3 Nom Max D 10.06 10.5 E 5.50 A2 7 Z A1 bp Dimension in Millimeters Min x M 0.00 0.10 0.20 0.34 0.40 0.46 0.15 0.20 0.25 7.80 8.00 2.20 A L1 bp b1 c A c A1 θ y L Detail F 1 θ 0° HE 7.50 1.27 e x 0.12 y 0.15 Z 1.42 0.50 L L JEITA Package Code P-TSSOP14-4.4x5-0.65 RENESAS Code PTSP0014JA-B *1 Previous Code TTP-14DV D 0.70 0.90 1.15 1 MASS[Typ.] 0.05g NOTE) 1. DIMENSIONS"*1 (Nom)"AND"*2" DO NOT INCLUDE MOLD FLASH. 2. DIMENSION"*3"DOES NOT INCLUDE TRIM OFFSET. F 14 8° 8 HE c *2 E bp Reference Symbol Index mark Terminal cross section ( Ni/Pd/Au plating ) Dimension in Millimeters Min Nom Max D 5.00 5.30 E 4.40 A2 7 1 *3 Z bp A1 x 0.03 0.07 0.10 0.15 0.20 0.25 0.10 0.15 0.20 6.40 6.60 1.10 A M L1 bp e b1 c A c A1 θ L y Detail F 1 θ 0° HE 6.20 0.65 e x 0.13 y 0.10 Z 0.83 0.4 L L Rev.2.00, Oct 11, 2005 page 8 of 8 8° 1 0.5 1.0 0.6 Sales Strategic Planning Div. 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