HD74HC155 Dual 2-to-4-line Decoders/Demultiplexers REJ03D0787-0200 (Previous ADE-205-453) Rev.2.00 Oct 11, 2005 Description This circuit features dual 1-line-to-4-line demultiplexer with individual strobes and common binary-address input. When both sections are enabled by the strobes, the common binary-address inputs sequentially select and route associated input data to the appropriate output of each section. The individual strobes permit activating or inhibiting each of the 4-bit sections as desired. Data applied to input 1C is inverted through its outputs. The inverter following the 1C data input permits use as a 3-to-8-line decoder or 1-to-8-line demultiplexer without external gating. Features • • • • • • High Speed Operation: tpd (A or B to Y) = 15 ns typ (CL = 50 pF) High Output Current: Fanout of 10 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 Package Type HD74HC155P DILP-16 pin HD74HC155FPEL SOP-16 pin (JEITA) Package Code (Previous Code) PRDP0016AE-B (DP-16FV) PRSP0016DH-B (FP-16DAV) Package Abbreviation P — FP EL (2,000 pcs/reel) Note: Please consult the sales office for the above package availability. Rev.2.00, Oct 11, 2005 page 1 of 6 Taping Abbreviation (Quantity) HD74HC155 Function Table 2-line-to-4-line Decoder/1-line-to-4-line Demultiplexer Inputs Select Outputs B A Strobe 1G Data 1C 1Y0 1Y1 1Y2 1Y3 X L L H H X X L H L H X H L L L L X X H H H H L H L H H H H H H L H H H H H H L H H H H H H L H Inputs Select H: L: X: Outputs B A Strobe 2G Data 2C 2Y0 2Y1 2Y2 2Y3 X L L H H X X L H L H X H L L L L X X L L L L H H L H H H H H H L H H H H H H L H H H H H H L H High level Low level Irrelevant 3-line-to-8-line Decoder/1-line-to-8-line Demultiplexer Inputs C X L L L L H H H H Select B X L L H H L L H H A X L H L H L H L H Outputs Strobe Data G H L L L L L L L L 0 2Y0 H L H H H H H H H Notes: 1. C: inputs 1C and 2C connected together 2. G: inputs 1G and 2G connected together 3. X: irrelevant Rev.2.00, Oct 11, 2005 page 2 of 6 1 2Y1 H H L H H H H H H 2 2Y2 H H H L H H H H H 3 2Y3 H H H H L H H H H 4 1Y0 H H H H H L H H H 5 1Y1 H H H H H H L H H 6 1Y2 H H H H H H H L H 7 1Y3 H H H H H H H H L HD74HC155 Pin Arrangement Data 1 1C 16 VCC Strobe 1G 2 15 Data 2C Select Input B 3 Strobe 14 2G 1Y2 5 1Y2 Outputs 1Y1 6 1Y0 7 1Y1 1Y0 Select 13 Input A B B B B A A A A 2C 2G 1Y3 1C 1G 1Y3 4 GND 8 2Y3 12 2Y3 2Y2 11 2Y2 2Y1 10 2Y1 2Y0 9 2Y0 Outputs (Top view) Absolute Maximum Ratings Item Symbol Rating Unit Supply voltage range VCC –0.5 to +7.0 V Input voltage VIN –0.5 to VCC + 0.5 V Output voltage VOUT –0.5 to VCC + 0.5 V Output current IOUT ±25 mA DC current drain per VCC, GND ICC, IGND ±50 mA DC input diode current IIK ±20 mA DC output diode current IOK ±20 mA Power dissipation per package PT 500 mW Storage temperature Tstg –65 to +150 °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 Note: *1 0 to 400 1. This item guarantees maximum limit when one input switches. Waveform: Refer to test circuit of switching characteristics. Rev.2.00, Oct 11, 2005 page 3 of 6 Conditions VCC = 2.0 V VCC = 4.5 V VCC = 6.0 V HD74HC155 Electrical Characteristics Ta = 25°C Item Input voltage Symbol VCC (V) VIH VIL Output voltage VOH VOL Ta = –40 to+85°C 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 Unit Test Conditions V V V Vin = VIH or VIL IOH = –20 µA IOH = –4 mA IOH = –5.2 mA V Vin = VIH or VIL IOL = 20 µA IOL = 4 mA Input current Iin 6.0 6.0 — — — — 0.26 ±0.1 — — 0.33 ±1.0 IOL = 5.2 mA µA Vin = VCC or GND Quiescent supply current ICC 6.0 — — 4.0 — 40 µA Vin = VCC or GND, Iout = 0 µA Switching Characteristics (CL = 50 pF, Input tr = tf = 6 ns) Ta = 25°C Item Propagation delay time Symbol VCC (V) tPLH, tPHL tPLH, tPHL tPLH, tPHL Output rise/fall time Input capacitance tTLH, tTHL Cin 2.0 Ta = –40 to +85°C Min — Typ — Max 160 Min — Max 200 4.5 — 13 32 — 40 6.0 — — 27 — 34 2.0 — — 160 — 200 4.5 — 15 32 — 40 6.0 — — 27 — 34 2.0 — — 145 — 180 4.5 — 14 29 — 36 6.0 — — 25 — 31 2.0 — — 75 — 95 4.5 — 5 15 — 19 6.0 — — 13 — 16 — — 5 10 — 10 Rev.2.00, Oct 11, 2005 page 4 of 6 Unit Test Conditions ns A, B, 2C, 1G or 2G to Y ns A or B to Y ns 1C to Y ns pF HD74HC155 Test Circuit Measurement point CL* Note: CL includes the probe and fig capacitance. Waveforms tr tf 90 % 50 % Input 10 % 10 % t PLH 0V t PHL 90 % Same-phase output VCC 90 % 50 % VOH 90 % 50 % 10 % t PHL 50 % 10 % t TLH t PLH t THL 90 % 90 % Inverse-phase output 50 % 10 % t THL VOL 50 % 10 % VOH VOL t TLH Notes: 1. Input waveform: PRR ≤ 1 MHz, Zo = 50 Ω, tr ≤ 6 ns, tf ≤ 6 ns 2. The output are measured one at a time with one transition per measurement. Rev.2.00, Oct 11, 2005 page 5 of 6 HD74HC155 Package Dimensions JEITA Package Code P-DIP16-6.3x19.2-2.54 RENESAS Code PRDP0016AE-B Previous Code DP-16FV MASS[Typ.] 1.05g D 9 E 16 1 8 b3 0.89 Z A1 A Reference Symbol L e Nom θ c e1 D 19.2 E 6.3 JEITA Package Code P-SOP16-5.5x10.06-1.27 RENESAS Code PRSP0016DH-B *1 Previous Code FP-16DAV 7.4 A1 0.51 b p 0.40 b 3 0.48 0.56 1.30 c 0.19 θ 0° e 2.29 0.25 0.31 2.54 2.79 15° 1.12 L 2.54 MASS[Typ.] 0.24g NOTE) 1. DIMENSIONS"*1 (Nom)"AND"*2" DO NOT INCLUDE MOLD FLASH. 2. DIMENSION"*3"DOES NOT INCLUDE TRIM OFFSET. D F 16 20.32 5.06 Z ( Ni/Pd/Au plating ) Max 7.62 1 A bp e Dimension in Millimeters Min 9 c HE *2 E bp Index mark Reference Symbol Terminal cross section ( Ni/Pd/Au plating ) 1 Z *3 bp Nom D 10.06 E 5.50 Max 10.5 A2 8 e Dimension in Millimeters Min x A1 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 0.80 0.50 L L Rev.2.00, Oct 11, 2005 page 6 of 6 8° 1 0.70 1.15 0.90 Sales Strategic Planning Div. Nippon Bldg., 2-6-2, Ohte-machi, Chiyoda-ku, Tokyo 100-0004, Japan Keep safety first in your circuit designs! 1. Renesas Technology Corp. puts the maximum effort into making semiconductor products better and more reliable, but there is always the possibility that trouble may occur with them. Trouble with semiconductors may lead to personal injury, fire or property damage. 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