TD74BC541P/F TOSHIBA Bi-CMOS Digital Integrated Circuit Silicon Monolithic TD74BC541P,TD74BC541F Octal Bus Buffer with 3-State Outputs (Non-Inverted) The TD74BC541P/TD74BC541F is a high-speed octal 3-state buffer fabricated with silicon gate Bi-CMOS technology. It achieves the high-speed operation equivalent to the FAST family while maintaining the Bi-CMOS low-power dissipation. The TD74BC541P/F is a non-inverting buffer. It is controlled by two enable inputs (OE0, OE1). When either OE0 and OE1 are high, all eight outputs are in the high-impedance state, which facilitates the interface with bus lines. All inputs are equipped with resistors and diodes to protect against Electro Static Discharge (ESD). TD74BC541P Features TD74BC541F · High-speed operation ........................ tpd = 4.8 ns (typ.) · Symmetrical output impedance ....... IOH = −15 mA (max) · Low power dissipation ...................... ICCD = 8 mA (typ.) · Operating temperature range .......... Ta = −40°C to 85°C · High ESD protection ......................... 2000 V (MIL standard) · Pin and function compatible with FAST (74F541) IOL = 48 mA (max) ICCZ = 10 mA (typ.) Weight DIP20-P-300-2.54A : 1.48 g (typ.) SOP20-P-300-1.27 : 0.25 g (typ.) Input Protection Circuit and Output Equivalent Circuit VCC Input VCC Output 1 2002-07-11 TD74BC541P/F Pin Assignment (top view) Logic Symbol OE0 1 20 VCC A0 2 19 OE1 A1 3 18 Y0 A2 4 17 Y1 A3 5 16 Y2 A4 6 15 Y3 A5 7 14 Y4 A6 8 13 Y5 A7 9 12 Y6 GND 10 11 Y7 OE0 OE1 A0 A1 A2 A3 A4 A5 A6 A7 (1) (19) & (2) (3) (4) (5) (6) (7) (8) (9) EN (18) (17) (16) (15) (14) (13) (12) (11) Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7 Truth Table Inputs Outputs OE0 OE1 An Yn H X X Z X H X Z L L H H L L L L X: Don’t care Z: High impedance Absolute Maximum Ratings Characteristics Symbol Rating Unit Power supply voltage VCC -0.5 to 7.0 V Input voltage VIN -1.2 to VCC + 0.5 V Output voltage VO -0.5 to VCC + 0.5 V Input clamp diode current IIK ±30 mA Output clamp diode current IOK -30 mA Output current (output low state) IOL 96 mA Power dissipation Storage temperature BC541P BC541F PD Tstg 1380 (Note 1) 860 (Note 1) -65 to 150 mW °C Note 1: Ta = 25°C 2 2002-07-11 TD74BC541P/F Recommended Operating Conditions Symbol Min Typ. Max Unit Power supply voltage VCC 4.5 5.0 5.5 V Input voltage VIN 0 ¾ VCC V Output voltage VO 0 ¾ VCC V High level IOH ¾ ¾ -15 Low level IOL ¾ ¾ 48 Topr -40 25 85 Characteristics Output current Operating temperature mA °C Electrical Characteristics DC Characteristics (unless otherwise specified, VCC = 4.5 V to 5.5 V, Ta = -40°°C to 85°°C) Symbol Test Condition VCC Min Typ. (Note 1) Max High level VIH ¾ ¾ 2.0 ¾ ¾ Low level VIL ¾ ¾ ¾ ¾ 0.8 IIK = -18 mA 4.5 ¾ ¾ -1.2 IOH = -3.0 mA 4.5 2.4 3.4 ¾ IOH = -3.0 mA 4.75 2.7 3.4 ¾ IOH = -15 mA 4.5 2.0 ¾ ¾ IOL = 24 mA 4.5 ¾ ¾ 0.5 IOL = 48 mA 4.5 ¾ ¾ 0.55 II VIN = VCC 5.5 ¾ ¾ ±1.0 IIH VIN = 2.7 V 5.5 ¾ ¾ ±1.0 IIL VIN = 0.5 V or GND 5.5 ¾ ¾ ±1.0 IOZH VO = 2.7 V 5.5 ¾ ¾ 50 IOZL VO = 0.5 V 5.5 ¾ ¾ -50 VO = GND 5.5 -100 ¾ -255 mA 5.5 ¾ 20 27 mA 5.5 ¾ 10 50 Characteristics Input voltage Input clamp voltage VIK High level VOH Output voltage Low level Input current (all input pins) 3-state OFF leakage current Output short current (Note 2) VOL IOS ICCL Quiescent supply current (total) ICCH VIN = VCC or ground All outputs are low. VIN = VCC or ground All outputs are high. DICC1 Quiescent supply current (each bit) DICC2 All outputs are in the high-impedance state. One input: VIN = 0.5 V Other inputs: VCC or GND One input: VIN = VCC - 2.1 V Other inputs: VCC or GND V V V mA mA mA VIN = VCC or ground ICCZ Unit 5.5 ¾ 10 50 ¾ ¾ ¾ 1.5 mA ¾ ¾ ¾ 1.5 Note 1: Typical value is measured at VCC = 5.0 V and Ta = 25°C. Note 2: Only one output at a time should be shorted. Duration should not exceed one second. 3 2002-07-11 TD74BC541P/F AC Characteristics (Input tr = tf = 2.5 ns) Characteristics Symbol Propagation delay time A-Y 3-state output enable time ΟΕ -Y 3-state output disable time ΟΕ -Y Test Condition Ta = -40°C to 85°C VCC = 5.0 V ± 10 % Min Typ. Max Min Max tpLH 2.0 5.0 6.3 2.0 7.5 tpHL 2.0 4.5 5.8 2.0 6.8 2.0 8.0 9.5 2.0 11.0 2.0 6.5 9.5 2.0 11.0 tpHZ 2.0 6.0 9.5 2.0 10.0 tpLZ 2.0 5.0 8.5 2.0 9.5 ¾ 8 13 ¾ 16 tpZH CL = 50 pF tpZL Dynamic supply current Ta = 25°C VCC = 5.0 V ICCD f = 1 MHz Output open Unit ns ns ns mA Note 1: When measuring tpLH, tpHL, tpZH and tpHZ, the output pin should be connected as shown in Note 2. When measuring tpZL, and tpLZ, the output pin should be connected as shown in Note 3. Output CL 500 9 CL Output Note 2 500 9 500 9 7V Note 3 4 2002-07-11 TD74BC541P/F Package Dimensions Weight: 1.48 g (typ.) 5 2002-07-11 TD74BC541P/F Package Dimensions Weight: 0.25 g (typ.) 6 2002-07-11 TD74BC541P/F RESTRICTIONS ON PRODUCT USE 000707EBA · TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress. It is the responsibility of the buyer, when utilizing TOSHIBA products, to comply with the standards of safety in making a safe design for the entire system, and to avoid situations in which a malfunction or failure of such TOSHIBA products could cause loss of human life, bodily injury or damage to property. In developing your designs, please ensure that TOSHIBA products are used within specified operating ranges as set forth in the most recent TOSHIBA products specifications. Also, please keep in mind the precautions and conditions set forth in the “Handling Guide for Semiconductor Devices,” or “TOSHIBA Semiconductor Reliability Handbook” etc.. · The TOSHIBA products listed in this document are intended for usage in general electronics applications (computer, personal equipment, office equipment, measuring equipment, industrial robotics, domestic appliances, etc.). These TOSHIBA products are neither intended nor warranted for usage in equipment that requires extraordinarily high quality and/or reliability or a malfunction or failure of which may cause loss of human life or bodily injury (“Unintended Usage”). Unintended Usage include atomic energy control instruments, airplane or spaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments, medical instruments, all types of safety devices, etc.. Unintended Usage of TOSHIBA products listed in this document shall be made at the customer’s own risk. · The products described in this document are subject to the foreign exchange and foreign trade laws. · The information contained herein is presented only as a guide for the applications of our products. No responsibility is assumed by TOSHIBA CORPORATION for any infringements of intellectual property or other rights of the third parties which may result from its use. No license is granted by implication or otherwise under any intellectual property or other rights of TOSHIBA CORPORATION or others. · The information contained herein is subject to change without notice. 7 2002-07-11