INTEGRATED CIRCUITS 74F455*, 74F456 Buffers/drivers * Discontinued part. Please see the Discontinued Product List. Product specification Supersedes data of 1990 Nov 26 IC15 Data Handbook 1999 Jan 08 Philips Semiconductors Product specification Buffers/Drivers 74F455,* 74F456 74F455 Octal Buffer/Driver with Parity, Inverting (3-State) 74F456 Octal Buffer/Driver with Parity, Non-Inverting (3-State) FEATURES DESCRIPTION • High impedance NPN base inputs for reduced loading The 74F455 and 74F456 are octal buffers and line drivers with parity generation/checking designed to be employed as memory address drivers, clock drivers and bus-oriented transmitters/receivers. These parts include parity generator/checker to improve PC board density. (40µA in High and Low states) • 74F456 combines 74F244 and 74F280A functions in one package • 74F456 is a center pin version of the 74F656A • 74F456 Non-Inverting • 3-State outputs sink 64mA and source 15mA • 24-pin plastic Slim DIP (300 mil) package • Broadside pinout simplifies PC board layout TYPE TYPICAL PROPAGATION DELAY TYPICAL SUPPLY CURRENT (TOTAL) 74F455 6.5ns 64mA 74F456 7.5ns 64mA ORDERING INFORMATION COMMERCIAL RANGE VCC = 5V ±10%, Tamb = 0°C to +70°C PKG DWG # 24-pin plastic Slim DIP (300mil) N74456N SOT222-1 24-pin plastic SOL N74456D SOT137-1 74F(U.L.) HIGH/LOW LOAD VALUE HIGH/LOW DESCRIPTION INPUT AND OUTPUT LOADING AND FAN-OUT TABLE PINS DESCRIPTION D0–D7 Data inputs 2.0/0.066 40µA/40µA PI Parity input 1.0/0.033 20µA/20µA OE0, OE1 Output Enable inputs (active Low) 1.0/0.033 20µA/20µA ΣE, ΣO Parity outputs 750/106.7 15mA/64mA Q0–Q7 Data outputs (75F455) 750/106.7 15mA/64mA Q0–Q7 Data outputs (75F456) 750/106.7 NOTE: One (1.0) FAST Unit Load (U.L.) is defined as 20µA in the High state and 0.6mA in the Low state. 15mA/64mA PIN CONFIGURATION – 74F455 PIN CONFIGURATION – 74F456 1 24 ΣO OE0 1 24 ΣO OE1 2 23 ΣE OE1 2 23 ΣE PI OE0 3 22 Q0 PI 3 22 Q0 D0 4 21 Q1 D0 4 21 Q1 D1 5 20 Q2 D1 5 20 Q2 D2 6 19 GND D2 6 19 GND VCC 7 18 GND VCC 7 18 GND D3 8 17 Q3 D3 8 17 Q3 D4 9 16 Q4 D4 9 16 Q4 10 15 Q5 D5 10 15 Q5 D6 11 14 Q6 D6 11 14 Q6 D7 12 13 Q7 D7 12 13 Q7 D5 SF00958 SF00969 * Discontinued part. Please see the Discontinued Products List. 1999 Jan 08 2 853–0371 20616 Philips Semiconductors Product specification Buffers/Drivers 74F455,* 74F456 LOGIC SYMBOL – 74F455 LOGIC SYMBOL – 74F456 4 5 6 8 9 10 11 12 4 5 6 8 9 10 11 12 D0 D1 D2 D3 D4 D5 D6 D7 D0 D1 D2 D3 D4 D5 D6 D7 PI 3 ΣE 1 OE0 2 OE1 ΣO Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 22 VCC = Pin 7 GND = Pin 18, 19 21 20 17 16 15 14 13 LOGIC SYMBOL (IEEE/IEC) – 74F455 3 1 4 1 OE0 2 OE1 Q4 Q5 Q6 Q7 22 VCC = Pin 7 GND = Pin 18, 19 21 20 17 16 15 14 13 SF00960 LOGIC SYMBOL (IEEE/IEC) – 74F456 3,5,6,7,8 9,10,11,12 3 P3 1 2K [EVEN] 3,5,6,7,8 9,10,11,12 24 [ODD] EN4 22 4 21 5 6 Z7 Z5 22 4 21 Z6 6 Z7 20 8 Z8 17 8 Z8 17 9 Z9 16 9 Z9 16 10 Z10 15 10 Z10 15 11 Z11 14 11 Z11 14 12 Z12 13 12 Z12 13 SF00961 20 SF00962 FUNCTION TABLE FUNCTION TABLE for PARITY OUTPUTS OUTPUTS INPUTS H L Z X 23 1 2 Z6 24 Q3 24 4 ΣO Q2 EN4 Z5 23 Q1 23 [ODD] ΣE Q0 1 2 5 3,5,6,7,8 9,10,11,12 P3 2K [EVEN] PI 24 SF00959 3,5,6,7,8 9,10,11,12 3 23 INPUTS OUTPUTS Number of inputs, High (PI, D0 - D7) ΣE ΣO OE0 OE1 Dn Qn Qn Even - 0, 2, 4, 6, 8 H L L L L H L Odd - 1, 3, 5, 7, 9 L H L L H L H Any OEn = High Z Z H X X Z Z X H X Z Z = = = = 74F455 74F456 H L Z X High voltage level Low voltage level High impedance “off” state Don’t care * Discontinued part. Please see the Discontinued Products List. 1999 Jan 08 3 = = = = High voltage level Low voltage level High impedance “off” state Don’t care Philips Semiconductors Product specification Buffers/Drivers 74F455,* 74F456 LOGIC DIAGRAM for 74F455 PI 3 D0 D1 D2 D3 D4 D5 D6 D7 OE0 OE1 23 ΣE 24 ΣO 4 22 Q0 5 21 Q1 6 20 Q2 8 17 Q3 9 16 Q4 10 15 Q5 11 14 Q6 12 13 Q7 1 2 VCC = Pin 7 GND = Pin 18, 19 SF00963 * Discontinued part. Please see the Discontinued Products List. 1999 Jan 08 4 Philips Semiconductors Product specification Buffers/Drivers 74F455,* 74F456 LOGIC DIAGRAM for 74F456 PI 3 D0 D1 D2 D3 D4 D5 D6 D7 OE0 OE1 23 ΣE 24 ΣO 4 22 Q0 5 21 Q1 6 20 Q2 8 17 Q3 9 16 Q4 10 15 Q5 11 14 Q6 12 13 Q7 1 2 VCC = Pin 7 GND = Pin 18, 19 SF00964 * Discontinued part. Please see the Discontinued Products List. 1999 Jan 08 5 Philips Semiconductors Product specification Buffers/Drivers 74F455,* 74F456 ABSOLUTE MAXIMUM RATINGS (Operation beyond the limits set forth in this table may impair the useful life of the device. Unless otherwise noted these limits are over the operating free-air temperature range.) SYMBOL PARAMETER RATING UNIT VCC Supply voltage –0.5 to +7.0 V VIN Input voltage –0.5 to +7.0 V IIN Input current –30 to +5 mA VOUT Voltage applied to output in High output state –0.5 to +VCC V IOUT Current applied to output in Low output state Tamb Operating free-air temperature range Tstg Storage temperature range 128 mA 0 to +70 °C –65 to +150 °C RECOMMENDED OPERATING CONDITIONS LIMITS SYMBOL PARAMETER UNIT MIN NOM MAX 5.0 5.5 VCC Supply voltage 4.5 VIH High-level input voltage 2.0 VIL Low-level input voltage 0.8 V IIK Input clamp current –18 mA IOH High-level output current –15 mA IOL Low-level output current 64 mA Tamb Operating free-air temperature range 70 °C 0 * Discontinued part. Please see the Discontinued Products List. 1999 Jan 08 6 V V Philips Semiconductors Product specification Buffers/Drivers 74F455,* 74F456 DC ELECTRICAL CHARACTERISTICS (Over recommended operating free-air temperature range unless otherwise noted.) SYMBOL VOH LIMITS TEST CONDITIONS1 PARAMETER VCC = MIN, MIN VIL = MAX, VIH = MIN High-level output voltage IOH = 3mA O =–3mA IOH =–15mA TYP2 MIN ±10%VCC 2.4 ±5%VCC 2.7 ±10%VCC 2.0 3.3 V V 0.55 V 0.42 0.55 V –0.73 –1.2 V 100 µA 40 µA 20 µA –40 µA –20 µA VCC = MAX, VO = 2.7V 50 µA Off-state output current Low-level voltage applied VCC = MAX, VO = 0.5V –50 µA Short-circuit output current3 VCC = MAX –225 mA 50 80 mA 78 110 mA 63 90 mA VOL O Low level output voltage Low-level VIK Input clamp voltage VCC = MIN, II = IIK II Input current at maximum input voltage VCC = 0.0V, VI = 7.0V IIH High level input current High-level IOL O = MAX IIL Low level input current Low-level IOZH Off-state output current High-level voltage applied IOZL IOS ±5%VCC Dn Pl, OEn VCC = MAX, MAX VI = 2 2.7V 7V Dn Pl, OEn VCC = MAX, MAX VI = 0 0.5V 5V –100 ICCH ICC UNIT V ±10%VCC VCC = MIN, VIL = MAX MAX, VIH = MIN MAX Supply current (total) ICCL VCC = MAX ICCZ NOTES: 1. For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions for the applicable type. 2. All typical values are at VCC = 5V, Tamb = 25°C. 3. Not more than one output should be shorted at a time. For testing IOS, the use of high-speed test apparatus and/or sample-and-hold techniques are preferable in order to minimize internal heating and more accurately reflect operational values. Otherwise, prolonged shorting of a High output may raise the chip temperature well above normal and thereby cause invalid readings in other parameter tests. In any sequence of parameter tests, IOS tests should be performed last. AC ELECTRICAL CHARACTERISTICS LIMITS SYMBOL VCC = +5V Tamb = +25°C CL = 50pF, RL = 500Ω TEST CONDITION PARAMETER VCC = +5V ± 10% Tamb = 0°C to +70°C CL = 50pF, RL = 500Ω MIN TYP MAX MIN MAX UNIT tPLH tPHL Propagation delay Dn to Qn 74F455 Waveform 2 2.0 1.0 4.5 2.0 6.5 4.0 2.0 1.0 7.5 4.5 ns tPLH tPHL Propagation delay Dn to Qn 74F456 Waveform 1 2.0 2.5 4.5 5.0 6.5 7.0 2.0 2.5 7.0 7.5 ns tPLH tPHL Propagation delay Dn to E, Waveform 1, 2 5.5 5.5 10.0 11.0 13.0 14.5 5.5 5.5 14.0 16.5 ns tPZH tPZL Output Enable time to High or Low level Waveform 3 Waveform 4 2.5 4.0 4.0 8.0 8.0 10.5 2.5 4.0 9.0 11.5 ns tPHZ tPLZ Output Disable time from High or Low level Waveform 3 Waveform 4 1.5 2.0 4.0 5.0 6.5 7.5 1.5 2.0 7.5 8.0 ns * Discontinued part. Please see the Discontinued Products List. 1999 Jan 08 7 Philips Semiconductors Product specification Buffers/Drivers 74F455,* 74F456 AC WAVEFORMS For all waveforms, VM = 1.5V. VM Dn VM tPLH VM Dn tPHL tPHL E, O, Qn VM VM tPLH E, O, Qn VM VM VM SF00965 SF00966 Waveform 1. Propagation Delay, Non-Inverting Outputs VM OEn Waveform 2. Propagation Delay, Inverting Outputs tPZH VM tPZL VOH -0.3V tPHZ E, O, Qn, Qn VM OEn VM tPLZ VM E, O, Qn, Qn VM 0V VOL +0.3V SF00968 SF00967 Waveform 3. 3-State Output Enable Time to High Level and Output Disable Time from High Level Waveform 4. 3-State Output Enable Time to Low Level and Output Disable Time from Low Level TEST CIRCUIT AND WAVEFORMS VCC 7.0V VIN RL VOUT PULSE GENERATOR tw 90% NEGATIVE PULSE VM CL AMP (V) VM 10% D.U.T. RT 90% 10% tTHL (tf ) tTLH (tr ) tTLH (tr ) tTHL (tf ) 0V RL AMP (V) 90% 90% Test Circuit for 3-State Outputs POSITIVE PULSE VM VM 10% TEST tPLZ tPZL All other SWITCH closed closed open DEFINITIONS: RL = Load resistor; see AC electrical characteristics for value. CL = Load capacitance includes jig and probe capacitance; see AC electrical characteristics for value. RT = Termination resistance should be equal to ZOUT of pulse generators. 10% tw SWITCH POSITION 0V Input Pulse Definition INPUT PULSE REQUIREMENTS family amplitude VM 74F 3.0V 1.5V rep. rate tw tTLH tTHL 1MHz 500ns 2.5ns 2.5ns SF00777 * Discontinued part. Please see the Discontinued Products List. 1999 Jan 08 8 Philips Semiconductors Product specification Buffers/drivers 74F455*, 74F456 DIP24: plastic dual in-line package; 24 leads (300 mil) * Discontinued part. Please see the Discontinued Product List. 1999 Jan 08 9 SOT222-1 Philips Semiconductors Product specification Buffers/drivers 74F455*, 74F456 SO24: plastic small outline package; 24 leads; body width 7.5 mm * Discontinued part. Please see the Discontinued Product List. 1999 Jan 08 10 SOT137-1 Philips Semiconductors Product specification Buffers/drivers 74F455*, 74F456 NOTES * Discontinued part. Please see the Discontinued Product List. 1999 Jan 08 11 Philips Semiconductors Product specification Buffers/drivers 74F455*, 74F456 Data sheet status Data sheet status Product status Definition [1] Objective specification Development This data sheet contains the design target or goal specifications for product development. Specification may change in any manner without notice. Preliminary specification Qualification This data sheet contains preliminary data, and supplementary data will be published at a later date. Philips Semiconductors reserves the right to make chages at any time without notice in order to improve design and supply the best possible product. Product specification Production This data sheet contains final specifications. Philips Semiconductors reserves the right to make changes at any time without notice in order to improve design and supply the best possible product. [1] Please consult the most recently issued datasheet before initiating or completing a design. Definitions Short-form specification — The data in a short-form specification is extracted from a full data sheet with the same type number and title. For detailed information see the relevant data sheet or data handbook. Limiting values definition — Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one or more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation of the device at these or at any other conditions above those given in the Characteristics sections of the specification is not implied. Exposure to limiting values for extended periods may affect device reliability. Application information — Applications that are described herein for any of these products are for illustrative purposes only. Philips Semiconductors make no representation or warranty that such applications will be suitable for the specified use without further testing or modification. Disclaimers Life support — These products are not designed for use in life support appliances, devices or systems where malfunction of these products can reasonably be expected to result in personal injury. Philips Semiconductors customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Philips Semiconductors for any damages resulting from such application. Right to make changes — Philips Semiconductors reserves the right to make changes, without notice, in the products, including circuits, standard cells, and/or software, described or contained herein in order to improve design and/or performance. Philips Semiconductors assumes no responsibility or liability for the use of any of these products, conveys no license or title under any patent, copyright, or mask work right to these products, and makes no representations or warranties that these products are free from patent, copyright, or mask work right infringement, unless otherwise specified. Copyright Philips Electronics North America Corporation 1998 All rights reserved. Printed in U.S.A. Philips Semiconductors 811 East Arques Avenue P.O. Box 3409 Sunnyvale, California 94088–3409 Telephone 800-234-7381 print code Document order number: * Discontinued part. Please see the Discontinued Product List. yyyy mmm dd 12 Date of release: 10-98 9397-750-05128