HD74BC623A Octal Bus Transceivers With 3 State Outputs REJ03D0289–0200Z (Previous ADE-205-025 (Z)) Rev.2.00 Jul.16.2004 Description The HD74BC623A provides high drivability and operation equal to or better than high speed bipolar standard logic IC by using Bi-CMOS process. The device features low power dissipation that is about 1/5 of high speed bipolar logic IC. When the frequency is 10 MHz. The device has eight bus transceivers with three state outputs in a 20 pin package. This 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 levels at the enable inputs (GBA and GAB). The enable inputs can be used to disable the device so that the buses are effectively isolated. Features • Input/Output are at high impedance state when power supply is off. • Input pins can be open, when not used, owing to built in input pull up circuit. • Input is TTL level. • Wide operating temperature range Ta = –40 to +85°C. • Ordering Information Part Name HD74BC623AFPEL Package Type Package Code SOP-20 pin (JEITA) FP-20DAV Package Abbreviation FP Taping Abbreviation (Quantity) EL (2,000 pcs/reel) Function Table Enable Inputs GBA GAB Operation L L B data to A bus H H H L A data to B bus Isolation L H B data to A bus A data to B bus H : L : High level Low level Rev.2.00, Jul.16.2004, page 1 of 7 HD74BC623A Pin Arrangement GAB 1 20 VCC A1 2 19 GBA 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 Symbol Rating Unit Supply voltage Input diode current VCC IIK –0.5 to +7.0 ±30 V mA Input voltage Output voltage VIN VOUT –0.5 to +7.5 –0.5 to +7.5 V V Off state output voltage VOUT(off) –0.5 to +5.5 V Storage temperature Tstg –65 to +150 °C Note: 1. 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 Symbol Min Typ Max Unit Supply voltage Input voltage VCC VIN 4.5 0 5.0 — 5.5 VCC V V Ouput voltage Operating temperature VOUT Topr 0 –40 — — VCC 85 V °C 8 ns/V Input rise/fall time*1 tr, tf 0 — Note: 1. This item guarantees maximum limit when one input switches. Waveform: Refer to test circuit of switching characteristics. Rev.2.00, Jul.16.2004, page 2 of 7 HD74BC623A Logic Diagram GBA GAB A1 B1 A2 B2 A3 B3 A8 B8 Electrical Characteristics (Ta = –40 to +85°C) Item Symbol Input voltage VIH VIL Output voltage VOH Input diode voltage Input current VCC (V) Min Max Unit Test Conditions 2.0 — — 0.8 V V 4.5 4.5 2.4 2.0 — — V V IOH = –3 mA IOH = –15 mA VOL 4.5 4.5 — — 0.5 0.55 V V IOL = 48 mA IOL = 64 mA VIK II 4.5 5.5 — — –1.2 –250 V µA IIN = –18 mA VIN = 0 V 5.5 5.5 — — 1.0 100 µA µA GAB or GBA, VIN = 5.5 V An or Bn, VIN = 5.5 V Output short circuit current*1 IOS 5.5 5.5 — –100 100 –225 µA mA GAB or GBA = 7 V VIN = 0 or 5.5 V Off state output current IOZH IOZL 5.5 5.5 — — –100 –250 µA µA VO = 2.7 V VO = 0.5 V Supply current ICCL 5.5 — 31.5 mA ICCH 5.5 — 500 µA VIN = 0 or 5.5V All outputs is “L” VIN = 0 or 5.5V All outputs is “H” ICCZ 5.5 — 4.5 mA ICCT*2 5.5 — 1.5 mA VIN = 0 or 5.5V All outputs is “Z” VIN = 3.4 or 0.5V Notes: 1. Not more than one output should be shorted at a time and duration of the short circuit should not exceed one second. 2. When input by the TTL level, it shows ICC increase at per one input pin. Rev.2.00, Jul.16.2004, page 3 of 7 HD74BC623A Switching Characteristics (CL = 50 pF) Ta = 25°C VCC = 5.0 V Item Propagation delay time Ta = –40 to +85°C VCC = 5.0 V ±10% Symbol Min tPLH 3.0 Max 6.0 Min 3.0 Max 7.0 Unit Test Conditions ns An to Bn tPHL tPLH 3.0 3.0 6.0 6.0 3.0 3.0 7.0 7.0 ns Bn to An tPHL tZH 3.0 3.0 6.0 9.0 3.0 3.0 7.0 11.0 ns GAB to Bn tZL tZH 3.0 3.0 9.0 9.0 3.0 3.0 11.0 11.0 ns GBA to An tZL tHZ 3.0 3.0 9.0 8.0 3.0 3.0 11.0 10.0 ns GAB to Bn tLZ tHZ 3.0 3.0 8.0 8.0 3.0 3.0 10.0 10.0 ns GBA to An 3.0 8.0 3.0 (Typ) 3.0 — 10.0 Input capacitance tLZ CIN Output capacitance CI/O 15.0 (Typ) — Output enable time Output disable time Rev.2.00, Jul.16.2004, page 4 of 7 pF VIN = VCC or GND pF VI/O = VCC or GND HD74BC623A Test Circuit VCC VCC GBA Pulse Generator Zout = 50 Ω Output See Function Table Input A1 S1 500 Ω B1 CL = 50 pF 450 Ω OPEN 7V *4 50 Ω Scope GAB Notes: 1. 2. 3. 4. CL includes probe and jig capacitance. A2-B2 to A8-B8 are identical to above load circuit. S1: Input-Output change switch. Open: tPLH, tPHL, tZH tHZ 7 V: tZL, tLZ Waveforms-1 tf Input 90 % 1.5 V 10 % tr 90 % 1.5 V 10 % t PHL t PLH 3V 0V VOH Output Rev.2.00, Jul.16.2004, page 5 of 7 1.5 V 1.5 V VOL HD74BC623A Waveforms-2 tr tf 90 % 1.5 V 10 % t ZL GAB 90 % 1.5 V 10 % 3V 0V t LZ 3.5 V Waveform–A 1.5 V VOL + 0.3 V t ZH t HZ VOH – 0.3 V 1.5 V Waveform–B VOL VOH 0V Waveforms-3 tf GBA tr 90 % 1.5 V 10 % t ZL Waveform–A Notes: 0V 3.5 V 1.5 V VOL + 0.3 V t HZ t ZH Waveform–B 3V 90 % 1.5 V 10 % t LZ 1.5 V VOH – 0.3 V VOL VOH 0V 1. tr = 2.5 ns, tf = 2.5 ns 2. Input waveforms: PRR = 1 MHz, duty cycle 50% 3. Waveform-A shows input conditions such that the output is “L” level when enable by the output control. 4. Waveform-B shows input conditions such that the output is “H” level when enable by the output control. Rev.2.00, Jul.16.2004, page 6 of 7 HD74BC623A Package Dimensions As of January, 2003 Unit: mm 12.6 13 Max 11 1 10 1.27 *0.40 ± 0.06 0.10 ± 0.10 0.80 Max *0.20 ± 0.05 2.20 Max 5.5 20 0.20 7.80 +– 0.30 1.15 0˚ – 8 ˚ 0.70 ± 0.20 0.15 0.12 M *Ni/Pd/Au plating Rev.2.00, Jul.16.2004, page 7 of 7 Package Code JEDEC JEITA Mass (reference value) FP-20DAV — Conforms 0.31 g 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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