Preliminary Datasheet RD74HC245A R07DS0047EJ0100 Rev.1.00 Jul 20, 2010 Octal Bus Transceivers (with 3-state outputs) Description Each device has an active low enable input G and a direction control input, DIR. When DIR is high, data flows from the A inputs to the B outputs. When DIR is low, data flows from the B inputs to the A outputs. The RD74HC245A transfers true data from one bus to the other. This device does not have schmitt trigger inputs. 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 Package Type Package Code (Previous Code) Package Abbreviation Taping Abbreviation (Quantity) Surface Treatment RD74HC245APT0 DILP-20 pin PRDP0020AC-B (DP-20NEV) P — 0 (Ni/Pd/Au) RD74HC245AFPH0 SOP-20 pin (JEITA) PRSP0020DD-B (FP-20DAV) FP H (2,000 pcs/reel) 0 (Ni/Pd/Au) RD74HC245ARPH0 SOP-20 pin (JEDEC) PRSP0020DC-A (FP-20DBV) RP H (1,000 pcs/reel) 0 (Ni/Pd/Au) Note: Please consult the sales office for the above package availability. Function Table Enable G L L H H : L : X : Direction Control DIR L H X Operation B data to A bus A data to B bus Isolation high level low level irrelevant R07DS0047EJ0100 Rev.1.00 Jul 20, 2010 Page 1 of 7 RD74HC245A Preliminary Pin Arrangement DIR 1 20 VCC A1 2 19 Enable G A2 3 18 B1 A3 4 17 B2 A4 5 16 B3 A5 6 15 B4 A6 7 14 B5 A7 8 13 B6 A8 9 12 B7 GND 10 11 B8 (Top view) Absolute Maximum Ratings Item Supply voltage range Input / Output voltage Input / Output diode current Output current VCC, GND current Power dissipation Storage temperature Note: 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 1375 835 757 –65 to +150 Unit V V mA mA mA mW mW mW °C Conditions DIP SOP TSSOP 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 Ratings Unit VCC VIN, VOUT Ta tr, tf 2 to 6 0 to VCC –40 to 85 0 to 1000 0 to 500 0 to 400 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. R07DS0047EJ0100 Rev.1.00 Jul 20, 2010 Page 2 of 7 RD74HC245A Preliminary 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 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 4.5 6.0 2.0 4.5 6.0 4.5 6.0 6.0 Min 1.5 3.15 4.2 — — — 1.9 4.4 5.9 4.18 5.68 — — — — — — 6.0 6.0 — — Ta = 25°C Typ Max — — — — — — — 0.5 — 1.35 — 1.8 2.0 — 4.5 — 6.0 — — — — — 0.0 0.1 0.0 0.1 0.0 0.1 — 0.26 — 0.26 — 0.5 — — 0.1 4.0 Ta = –40 to+85°C Unit Test Conditions Min Max 1.5 — V 3.15 — 4.2 — — 0.5 V — 1.35 — 1.8 1.9 — V Vin = VIH or VIL IOH = –20 A 4.4 — 5.9 — 4.13 — IOH = –6 mA 5.63 — IOH = –7.8 mA — 0.1 V Vin = VIH or VIL IOL = 20 A — 0.1 — 0.1 — 0.33 IOL = 6 mA — 0.33 IOL = 7.8 mA — 5.0 A Vin = VIH or VIL, Vout = VCC or GND — 1.0 A Vin = VCC or GND — 40 A Vin = VCC or GND, Iout = 0 A Switching Characteristics (CL = 50 pF, Input tr = tf = 6 ns) Item Propagation delay time Symbol VCC (V) tPLH tPHL Output enable time tZL tZH Output disable time tLZ tHZ Output rise/fall time tTLH tTHL Input capacitance Cin R07DS0047EJ0100 Rev.1.00 Jul 20, 2010 Ta = 25°C Min Typ Max Ta = –40 to +85°C Unit Min Max 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 — — — — — — — — — — 8 — — 8 — — 16 — 90 18 15 90 18 15 150 30 26 — — — — — — — — — 115 23 20 115 23 20 190 38 32 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 — — — — — — — — — — — — — 12 — — 17 — — 18 — — 4 — 150 30 26 150 30 26 150 30 26 60 12 10 — — — — — — — — — — — — 190 38 32 190 38 32 190 38 32 75 15 13 ns — — 5 10 — 10 pF Test Conditions ns ns ns ns ns ns Page 3 of 7 RD74HC245A Preliminary Test Circuit VCC VCC Pulse Generator Zout = 50 Ω See Function Table G Input Output A1 S1 1 KΩ S2 B1 OPEN GND CL = 50 pF VCC DIR TEST t PLH / t PHL S2 OPEN t ZH/ t HZ t ZL / t LZ GND VCC Note : 1. CL includes probe and jig capacitance. 2. A2–B2, A3–B3, A4–B4, A5–B5, A6–B6, A7–B7, A8–B8 are identical to above load circuit. 3. S1 is a input / output switch. R07DS0047EJ0100 Rev.1.00 Jul 20, 2010 Page 4 of 7 RD74HC245A Preliminary Waveforms • Waveform – 1 tr tf 90 % 50 % Input A VCC 90 % 50 % 10 % 10 % 90 % Output Y 50 % 10 % t TLH tf VOL t THL tr 90 % 50 % 10 % t ZL Input G VOH 90 % 50 % 10 % • Waveform – 2 0V t PHL t PLH VCC 90 % 50 % 10 % 0V t LZ VOH 50 % Waveform – A 10 % t ZH Waveform – B t HZ 50 % 90 % VOL 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. R07DS0047EJ0100 Rev.1.00 Jul 20, 2010 Page 5 of 7 RD74HC245A Preliminary Package Dimensions JEITA Package Code P-DIP20-6.3x24.5-2.54 RENESAS Code PRDP0020AC-B Previous Code DP-20NEV MASS[Typ.] 1.26g D 11 E 20 1 10 b3 0.89 A1 A Z Reference Symbol L e1 D E A A1 bp b3 c θ e Z L θ bp e c e1 ( Ni/Pd/Au plating ) JEITA Package Code P-SOP20-5.5x12.6-1.27 RENESAS Code PRSP0020DD-B *1 Previous Code FP-20DAV D Min Nom Max 7.62 24.50 25.40 6.30 7.00 5.08 0.51 0.40 0.48 0.56 1.30 0.19 0.25 0.31 0° 15° 2.29 2.54 2.79 1.27 2.54 MASS[Typ.] 0.31g NOTE) 1. DIMENSIONS"*1 (Nom)"AND"*2" DO NOT INCLUDE MOLD FLASH. 2. DIMENSION"*3"DOES NOT INCLUDE TRIM OFFSET. F 20 Dimension in Millimeters 11 c HE *2 E bp Index mark Terminal cross section Reference Symbol (Ni/Pd/Au plating) 10 1 Z *3 e bp x M L1 A1 θ A S L y S Detail F R07DS0047EJ0100 Rev.1.00 Jul 20, 2010 D E A2 A1 A bp b1 c c1 θ HE e x y Z L L1 Dimension in Millimeters Min Nom Max 12.60 13.0 5.50 0.00 0.10 0.34 0.40 0.20 2.20 0.46 0.15 0.20 0.25 0° 7.50 0.50 7.80 1.27 0.70 1.15 8° 8.00 0.12 0.15 0.80 0.90 Page 6 of 7 RD74HC245A Preliminary JEITA Package Code P-SOP20-7.5x12.8-1.27 RENESAS Code PRSP0020DC-A *1 Previous Code FP-20DBV D MASS[Typ.] 0.52g F 20 NOTE) 1. DIMENSIONS"*1 (Nom)"AND"*2" DO NOT INCLUDE MOLD FLASH. 2. DIMENSION"*3"DOES NOT INCLUDE TRIM OFFSET. 11 HE c *2 E bp Index mark Terminal cross section Reference Symbol (Ni/Pd/Au plating) 1 *3 e bp x M L1 A Z 10 A1 θ S L y S Detail F R07DS0047EJ0100 Rev.1.00 Jul 20, 2010 Dimension in Millimeters Min Nom Max D 12.80 13.2 E 7.50 A2 A1 0.10 0.20 0.30 A 2.65 bp 0.34 0.40 0.46 b1 c 0.20 0.25 0.30 c1 θ 0° 8° HE 10.00 10.40 10.65 e 1.27 x 0.12 y 0.15 Z 0.935 L 0.40 0.70 1.27 L1 1.45 Page 7 of 7 Notice 1. All information included in this document is current as of the date this document is issued. Such information, however, is subject to change without any prior notice. Before purchasing or using any Renesas Electronics products listed herein, please confirm the latest product information with a Renesas Electronics sales office. Also, please pay regular and careful attention to additional and different information to be disclosed by Renesas Electronics such as that disclosed through our website. 2. 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