HD74LS245P

To our customers, Old Company Name in Catalogs and Other Documents On April 1st, 2010, NEC Electronics Corporation merged with Renesas Technology Corporation, and Renesas Electronics Corporation took over all the business of both companies. Therefore, although the old company name remains in this document, it is a valid Renesas Electronics document. We appreciate your understanding. Renesas Electronics website: http://www.renesas.com April 1st, 2010 Renesas Electronics Corporation Issued by: Renesas Electronics Corporation (http://www.renesas.com) Send any inquiries to http://www.renesas.com/inquiry. Notice 1. 2. 3. 4. 5. 6. 7. 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. 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The control function implementation minimizes external timing requirements. The device allows data transmission from the A bus to the B bus or from the B bus to the A bus depending upon the logic level at the direction control (DIR) input. The enable input (G) can be used to disable the device so that the buses are effectively isolated. Features • Ordering Information Part Name Package Type Package Code (Previous Code) Package Abbreviation Taping Abbreviation (Quantity) HD74LS245P DILP-20 pin PRDP0020AC-B (DP-20NEV) P — HD74LS245FPEL SOP-20 pin (JEITA) PRSP0020DD-B (FP-20DAV) FP EL (2,000 pcs/reel) HD74LS245RPEL SOP-20 pin (JEDEC) PRSP0020DC-A (FP-20DBV) RP EL (1,000 pcs/reel) Note: Please consult the sales office for the above package availability. 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) Rev.3.00, Jul.15.2005, page 1 of 5 HD74LS245 Function Table Enable G L L H Direction Control DIR L H X Operation B data to A bus A data to B bus Isolation Note: H; high level, L; low level, X; irrelevant Block Diagram Enable G Transceiver (1/8) B A Direction Control DIR Absolute Maximum Ratings Item Symbol Supply voltage Ratings Unit VCC 7 V DIR, G VIN 7 V A, B VIN 5.5 V PT 400 mW Storage temperature Tstg –65 to +150 °C Operating temperature Topr –20 to +75 °C Input voltage Power dissipation Note: Voltage value, unless otherwise noted, are with respect to network ground terminal. Recommended Operating Conditions Item Supply voltage Output current Operating temperature Rev.3.00, Jul.15.2005, page 2 of 5 Symbol Min Typ Max Unit VCC 4.75 5.00 5.25 V IOH — — –15 mA IOL — — 24 mA Topr –20 25 75 °C HD74LS245 Electrical Characteristics (Ta = –20 to +75 °C) Item Input voltage Hysteresis Symbol VIH VIL VT+ – VT– min. 2.0 — 0.2 2.4 2 — — — — — — — — typ.* — — 0.4 — — — — — — — — — — max. — 0.8 — — — 0.4 0.5 20 –200 20 –0.2 0.1 0.1 Unit IOS –40 — –225 mA VCC = 5.25 V ICCH ICCL — — 48 62 70 90 mA VCC = 5.25 V VOH Output voltage VOL Off-state output current Input current A or B DIR or G Short-circuit output current Supply current** IOZH IOZL IIH IIL II Condition V V V V µA µA mA mA VCC = 4.75 V IOH = – 3 mA VCC = 4.75 V, VIH = 2 V, IOH = – 15 mA VIL = 0.8 V IOL = 12 mA VCC = 4.75 V, VIH = 2 V, V IL = 0.8 V IOL = 24 mA VO = 2.7 V VCC = 5.25 V, G = 2 V VO = 0.4 V VCC = 5.25 V, VI = 2.7 V VCC = 5.25 V, VI = 0.4 V VCC = 5.25 V, VI = 5.5 V VCC = 5.25 V, VI = 7 V — 64 95 ICCZ Input clamp voltage VIK — — –1.5 V VCC = 4.75 V, IIN = –18 mA Notes: * VCC = 5 V, Ta = 25°C ** With all outputs open, ICC is measured with transceivers enabled in one direction only, or with all transceivers disabled. Switching Characteristics (VCC = 5 V, Ta = 25°C) Item Propagation delay time Output enable time Output disable time Symbol tPLH tPHL tZL tZH tLZ tHZ min. — — — — — — typ. 8 11 27 25 15 15 max. 15 15 40 40 25 25 Unit Condition CL = 45 pF, RL = 667 Ω ns CL = 5 pF, RL = 667 Ω Note: Refer to Test Circuit and Waveform of the Common Item "TTL Common Matter (Document No.: REJ27D00050100)". Rev.3.00, Jul.15.2005, page 3 of 5 HD74LS245 Package Dimensions JEITA Package Code P-DIP20-6.3x24.5-2.54 RENESAS Code PRDP0020AC-B MASS[Typ.] 1.26g Previous Code DP-20NEV D 11 E 20 1 10 b3 0.89 Z Dimension in Millimeters Min Nom Max A Reference Symbol A1 e D 24.50 E 6.30 L A θ bp e 7.62 1 c e1 JEITA Package Code P-SOP20-5.5x12.6-1.27 RENESAS Code PRSP0020DD-B *1 Previous Code FP-20DAV 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° 1.27 L 2.54 MASS[Typ.] 0.31g D NOTE) 1. DIMENSIONS"*1 (Nom)"AND"*2" DO NOT INCLUDE MOLD FLASH. 2. DIMENSION"*3"DOES NOT INCLUDE TRIM OFFSET. F 20 7.00 5.08 Z ( Ni/Pd/Au plating ) 25.40 11 c HE *2 E bp Index mark Reference Symbol Terminal cross section ( Ni/Pd/Au plating ) Z e *3 bp Nom Max D 12.60 13.0 E 5.50 A2 10 1 A1 x Dimension in Millimeters Min M 0.00 0.10 0.34 0.40 0.46 0.15 0.20 0.25 7.80 8.00 A L1 0.20 2.20 bp b1 c A c 1 θ 0° HE A1 θ y L Detail F e 8° 1.27 x 0.12 y 0.15 0.80 Z L L Rev.3.00, Jul.15.2005, page 4 of 5 7.50 0.50 1 0.70 1.15 0.90 HD74LS245 JEITA Package Code P-SOP20-7.5x12.8-1.27 RENESAS Code PRSP0020DC-A *1 Previous Code FP-20DBV MASS[Typ.] 0.52g D 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 Reference Symbol Terminal cross section ( Ni/Pd/Au plating ) Dimension in Millimeters Min Nom Max D 12.80 13.2 E 7.50 A2 1 Z 10 e *3 bp x A1 M 0.10 0.20 0.34 0.40 0.46 0.20 0.25 0.30 10.40 10.65 A L1 0.30 2.65 bp b1 c A c A1 θ L y 1 θ 0° HE 10.00 e 8° 1.27 x 0.12 y 0.15 0.935 Z Detail F L L Rev.3.00, Jul.15.2005, page 5 of 5 0.40 1 0.70 1.45 1.27 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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