HD74HC243 Quad. Bus Transceivers (with noninverted 3-state outputs) REJ03D0596–0200 (Previous ADE-205-473) Rev.2.00 Jan 31, 2006 Description The HD74HC243 is a noninverting buffer. Each device has one active high enable (GBA), and one active low enable (GAB). GBA enables the A output and GAB enables the B outputs. The device does not have schmitt trigger inputs. Features • • • • • • High Speed Operation: tpd = 10 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 Package Code (Previous Code) Package Type Package Abbreviation Taping Abbreviation (Quantity) HD74HC243P DILP-14 pin PRDP0014AB-B (DP-14AV) P — HD74HC243FPEL SOP-14 pin (JEITA) PRSP0014DF-B (FP-14DAV) FP EL (2,000 pcs/reel) Note: Please consult the sales office for the above package availability. Function Table Control Inputs GAB H L H L H L X I O Z : : : : : : high level low level irrelevant input output high-impedance Rev.2.00 Jan 31, 2006 page 1 of 6 Data Port Status GBA H H L L A O Z Z I B I Z Z O HD74HC243 Pin Arrangement GAB 1 14 VCC NC 2 13 GBA 1A 3 12 NC 2A 4 11 1B 3A 5 10 2B 4A 6 9 3B GND 7 8 4B (Top view) Logic Diagram 1 of 4 Transceivers A VCC VCC B GBA GAB Rev.2.00 Jan 31, 2006 page 2 of 6 HD74HC243 Absolute Maximum Ratings Item Supply voltage range Input / Output voltage Input / Output diode current Output current VCC, GND current Power dissipation Storage temperature Symbol VCC VIN, VOUT IIK, IOK IO ICC or IGND PT Tstg Ratings –0.5 to 7.0 –0.5 to VCC +0.5 ±20 ±35 ±75 500 –65 to +150 Unit V V 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 Input / Output voltage Operating temperature Input rise / fall time*1 Symbol VCC VIN, VOUT Ta tr, tf Ratings 2 to 6 0 to VCC –40 to 85 0 to 1000 0 to 500 0 to 400 Unit V V °C ns Conditions VCC = 2.0 V VCC = 4.5 V VCC = 6.0 V Notes: 1. This item guarantees maximum limit when one input switches. Waveform: Refer to test circuit of switching characteristics. Electrical Characteristics Item Input voltage Symbol VCC (V) VIH VIL Output voltage VOH VOL Off-state output current Input current IOZ Quiescent supply current ICC Iin Min Ta = 25°C Typ Max Ta = –40 to+85°C Unit Min Max 2.0 4.5 6.0 2.0 4.5 1.5 3.15 4.2 — — — — — — — — — — 0.5 1.35 1.5 3.15 4.2 — — — — — 0.5 1.35 6.0 2.0 4.5 6.0 4.5 6.0 — 1.9 4.4 5.9 4.18 5.68 — 2.0 4.5 6.0 — — 1.8 — — — — — — 1.9 4.4 5.9 4.13 5.63 1.8 — — — — — 2.0 4.5 6.0 4.5 6.0 6.0 — — — — — — 0.0 0.0 0.0 — — — 0.1 0.1 0.1 0.26 0.26 ±0.5 — — — — — — 0.1 0.1 0.1 0.33 0.33 ±5.0 6.0 6.0 — — — — ±0.1 4.0 — — ±1.0 40 Rev.2.00 Jan 31, 2006 page 3 of 6 Test Conditions 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 IOL = 7.8 mA µA Vin = VIH or VIL, Vout = VCC or GND µA Vin = VCC or GND µA Vin = VCC or GND, Iout = 0 µA HD74HC243 Switching Characteristics (CL = 50 pF, Input tr = tf = 6 ns) Item Propagation delay time Symbol VCC (V) tPHL tPLH Output enable time tZL tZH Output disable time tLZ tHZ 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 2.0 4.5 6.0 2.0 Ta = 25°C Min Typ Max — — 90 — 10 18 — — 15 — — 90 — 10 18 — — 15 — — 150 — 14 30 — — 26 — — 150 — 15 30 — — 26 — — 150 — 18 30 — — 26 — — 150 Ta = –40 to +85°C Unit Min Max — 115 ns — 23 — 20 — 115 ns — 23 — 20 — 190 ns — 38 — 33 — 190 ns — 38 — 33 — 190 ns — 38 — 33 — 190 ns 4.5 6.0 — — 20 — 30 26 — — 38 33 2.0 4.5 6.0 — — — — — — 4 — 5 60 12 10 10 — — — — 75 15 13 10 Rev.2.00 Jan 31, 2006 page 4 of 6 ns pF Test Conditions HD74HC243 Test Circuit VCC VCC Output GAB 1 kΩ See Function Table Input Pulse Generator Zout = 50 Ω B or A S1 OPEN GND CL = 50 pF GBA VCC A or B TEST t PLH / t PHL S1 OPEN t ZH/ t HZ t ZL / t LZ GND VCC Note : 1. CL includes probe and jig capacitance. Waveforms • Waveform – 1 tf tr 90 % 50 % Input A or B VCC 90 % 50 % 10 % 10 % 90 % Output B or A VOH 90 % 50 % 10 % 50 % 10 % t TLH • Waveform – 2 GAB or GBA GND t PHL t PLH VOL t THL tf tr 90 % 50 % VCC 90 % 50 % 10 % 10 % GND t LZ t ZL VOH Waveform - A 50 % t ZH Waveform - B 50 % 10 % VOL t HZ 90 % VOH VOL Notes : 1. Input waveform : PRR ≤ 1 MHz, duty cycle 50%, tr ≤ 6 ns, tf ≤ 6 ns 2. Waveform– A is for an output with internal conditions such that the output is low except when disabled by the output control. 3. Waveform– B is for an output with internal conditions such that the output is high except when disabled by the output control. 4. The output are measured one at a time with one transition per measurement. Rev.2.00 Jan 31, 2006 page 5 of 6 HD74HC243 Package Dimensions JEITA Package Code P-DIP14-6.3x19.2-2.54 RENESAS Code PRDP0014AB-B MASS[Typ.] 0.97g Previous Code DP-14AV D 8 E 14 1 7 b3 Z A1 A Reference Symbol Nom e1 7.62 D 19.2 E 6.3 L A θ bp e Dimension in Millimeters Min e1 A1 0.51 bp 0.40 JEITA Package Code P-SOP14-5.5x10.06-1.27 RENESAS Code PRSP0014DF-B *1 Previous Code FP-14DAV D 0.48 0.56 c 0.19 θ 0° e 2.29 0.25 0.31 2.54 2.79 15° 2.39 L 2.54 MASS[Typ.] 0.23g NOTE) 1. DIMENSIONS"*1 (Nom)"AND"*2" DO NOT INCLUDE MOLD FLASH. 2. DIMENSION"*3"DOES NOT INCLUDE TRIM OFFSET. F 14 7.4 1.30 Z ( Ni/Pd/Au plating ) 20.32 5.06 b3 c Max 8 c HE *2 E bp Index mark Reference Symbol Terminal cross section ( Ni/Pd/Au plating ) 1 Z *3 Nom Max D 10.06 10.5 E 5.50 A2 7 e 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 A L1 2.20 bp b1 c A c A1 θ y L Detail F 1 θ 0° HE 7.50 e 1.27 x 0.12 y 0.15 1.42 Z L L Rev.2.00 Jan 31, 2006 page 6 of 6 8° 0.50 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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