74HC243

74HC243 Quad bus transceiver; 3-state Rev. 03 — 12 November 2004 Product data sheet 1. General description The 74HC243 is a high-speed Si-gate CMOS device and is pin compatible with low power Schottky TTL (LSTTL). The 74HC243 is specified in compliance with JEDEC standard no. 7A. The 74HC243 is a quad bus transceiver featuring non-inverting 3-state bus compatible outputs in both send and receive directions. The 74HC243 is designed for 4-line asynchronous 2-way data communications between data buses. The output enable inputs (OEA and OEB) can be used to isolate the buses. The 74HC243 is similar to the 74HC242 but has non-inverting (true) outputs. 2. Features s s s s s Non-inverting 3-state outputs 2-way asynchronous data bus communication Low-power dissipation Complies with JEDEC standard no. 7A ESD protection: x HBM EIA/JESD22-A114-B exceeds 2000 V x MM EIA/JESD22-A115-A exceeds 200 V. s Multiple package options s Specified from −40 °C to +80 °C and from −40 °C to +125 °C. Philips Semiconductors 74HC243 Quad bus transceiver; 3-state 3. Quick reference data Table 1: Quick reference data GND = 0 V; Tamb= 25 °C; tr = tf = 6 ns. Symbol tPHL, tPLH CI CI/O CPD [1] Parameter propagation delay An to Bn; Bn to An input capacitance input/output capacitance power dissipation capacitance per transceiver Conditions CL = 15 pF; VCC = 5 V Min - Typ 6 3.5 10 26 Max - Unit ns pF pF pF VI = GND to VCC [1] - CPD is used to determine the dynamic power dissipation (PD in µW). PD = CPD × VCC2 × fi × N + ∑(CL × VCC2 × fo) where: fi = input frequency in MHz; fo = output frequency in MHz; CL = output load capacitance in pF; VCC = supply voltage in V; N = number of inputs switching; ∑(CL × VCC2 × fo) = sum of outputs. 4. Ordering information Table 2: Ordering information Package Temperature range 74HC243N 74HC243D 74HC243DB −40 °C to +125 °C −40 °C to +125 °C −40 °C to +125 °C Name DIP14 SO14 SSOP14 Description plastic dual in-line package; 14 leads (300 mil) plastic small outline package; 14 leads; body width 3.9 mm plastic shrink small outline package; 14 leads; body width 5.3 mm Version SOT27-1 SOT108-1 SOT337-1 Type number 9397 750 13808 © Koninklijke Philips Electronics N.V. 2004. All rights reserved. Product data sheet Rev. 03 — 12 November 2004 2 of 17 Philips Semiconductors 74HC243 Quad bus transceiver; 3-state 5. Functional diagram 13 OEB ENABLE EXITING 1 OEA 3 A0 B0 11 4 A1 B1 10 5 A2 B2 9 6 A3 B3 8 001aab953 Fig 1. Functional diagram 13 OEB ENABLE EXITING 13 1 EN1 EN2 1 OEA 3 A0 B0 11 3 4 1 2 11 10 9 8 001aab951 6 A3 B3 5 8 6 001aab950 Fig 2. Logic symbol Fig 3. IEC logic symbol 9397 750 13808 © Koninklijke Philips Electronics N.V. 2004. All rights reserved. Product data sheet Rev. 03 — 12 November 2004 3 of 17 Philips Semiconductors 74HC243 Quad bus transceiver; 3-state 6. Pinning information 6.1 Pinning OEA n.c. A0 A1 A2 A3 GND 1 2 3 4 5 6 7 001aab948 14 VCC 13 OEB 12 n.c. 243 11 B0 10 B1 9 8 B2 B3 Fig 4. Pin configuration 6.2 Pin description Table 3: Symbol OEA n.c. A0 A1 A2 A3 GND B3 B2 B1 B0 n.c. OEB VCC Pin description Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Description output enable input (active LOW) not connected data input or output data input or output data input or output data input or output ground (0 V) data output or input data output or input data output or input data output or input not connected output enable input positive supply voltage 9397 750 13808 © Koninklijke Philips Electronics N.V. 2004. All rights reserved. Product data sheet Rev. 03 — 12 November 2004 4 of 17 Philips Semiconductors 74HC243 Quad bus transceiver; 3-state 7. Functional description 7.1 Function table Table 4: Control OEA L H L H [1] Function table [1] Input or output OEB L L H H An input Z Z A=B Bn B=A Z Z input H = HIGH voltage level; L = LOW voltage level; Z = high-impedance OFF-state. 8. Limiting values Table 5: Limiting values In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V). Symbol VCC IIK IOK IO ICC, IGND Tstg Ptot Parameter supply voltage input diode current output diode current output source or sink current VCC or GND current storage temperature power dissipation DIP14 package SO14 and SSOP16 packages [1] [2] [1] [2] Conditions VI < −0.5 V or VI > VCC + 0.5 V VO < −0.5 V or VO > VCC + 0.5 V VO = −0.5 V to VCC + 0.5 V Min −0.5 −65 - Max +7 ±20 ±20 ±35 ±70 +150 750 500 Unit V mA mA mA mA °C mW mW Above 70 °C: Ptot derates linearly with 12 mW/K. Above 70 °C: Ptot derates linearly with 8 mW/K. 9397 750 13808 © Koninklijke Philips Electronics N.V. 2004. All rights reserved. Product data sheet Rev. 03 — 12 November 2004 5 of 17 Philips Semiconductors 74HC243 Quad bus transceiver; 3-state 9. Recommended operating conditions Table 6: Symbol VCC VI VO tr, tf Recommended operating conditions Parameter supply voltage input voltage output voltage input rise and fall times VCC = 2.0 V VCC = 4.5 V VCC = 6.0 V Tamb ambient temperature Conditions Min 2.0 0 0 −40 Typ 5.0 6.0 Max 6.0 VCC VCC 1000 500 400 +125 Unit V V V ns ns ns °C 10. Static characteristics Table 7: Static characteristics At recommended operating conditions; voltages are referenced to GND (ground = 0 V). Symbol Tamb = 25 °C VIH HIGH-level input voltage VCC = 2.0 V VCC = 4.5 V VCC = 6.0 V VIL LOW-level input voltage VCC = 2.0 V VCC = 4.5 V VCC = 6.0 V VOH HIGH-level output voltage VI = VIH or VIL IO = −20 µA; VCC = 2.0 V IO = −20 µA; VCC = 4.5 V IO = −20 µA; VCC = 6.0 V IO = −6.0 mA; VCC = 4.5 V IO = −7.8 mA; VCC = 6.0 V VOL LOW-level output voltage VI = VIH or VIL IO = 20 µA; VCC = 2.0 V IO = 20 µA; VCC = 4.5 V IO = 20 µA; VCC = 6.0 V IO = 6.0 mA; VCC = 4.5 V IO = 7.8 mA; VCC = 6.0 V ILI IOZ ICC CI CI/O 9397 750 13808 Parameter Conditions Min 1.5 3.15 4.2 1.9 4.4 5.9 3.98 5.48 - Typ 1.2 2.4 3.2 0.8 2.1 2.8 2.0 4.5 6.0 4.32 5.81 0 0 0 0.15 0.16 3.5 10 Max 0.5 1.35 1.8 0.1 0.1 0.1 0.26 0.26 ±0.1 ±0.5 8.0 - Unit V V V V V V V V V V V V V V V V µA µA µA pF pF input leakage current 3-state OFF-state current quiescent supply current input capacitance input/output capacitance VI = VCC or GND; VCC = 6.0 V VI = VIH or VIL; VCC = 6.0 V; VO = VCC or GND VI = VCC or GND; IO = 0 A; VCC = 6.0 V © Koninklijke Philips Electronics N.V. 2004. All rights reserved. Product data sheet Rev. 03 — 12 November 2004 6 of 17 Philips Semiconductors 74HC243 Quad bus transceiver; 3-state Table 7: Static characteristics …continued At recommended operating conditions; voltages are referenced to GND (ground = 0 V). Symbol VIH Parameter HIGH-level input voltage Conditions VCC = 2.0 V VCC = 4.5 V VCC = 6.0 V VIL LOW-level input voltage VCC = 2.0 V VCC = 4.5 V VCC = 6.0 V VOH HIGH-level output voltage VI = VIH or VIL IO = −20 µA; VCC = 2.0 V IO = −20 µA; VCC = 4.5 V IO = −20 µA; VCC = 6.0 V IO = −6.0 mA; VCC = 4.5 V IO = −7.8 mA; VCC = 6.0 V VOL LOW-level output voltage VI = VIH or VIL IO = 20 µA; VCC = 2.0 V IO = 20 µA; VCC = 4.5 V IO = 20 µA; VCC = 6.0 V IO = 6.0 mA; VCC = 4.5 V IO = 7.8 mA; VCC = 6.0 V ILI IOZ ICC input leakage current 3-state OFF-state current quiescent supply current VI = VCC or GND; VCC = 6.0 V VI = VIH or VIL; VCC = 6.0 V; VO = VCC or GND VI = VCC or GND; IO = 0 A; VCC = 6.0 V VCC = 2.0 V VCC = 4.5 V VCC = 6.0 V VIL LOW-level input voltage VCC = 2.0 V VCC = 4.5 V VCC = 6.0 V VOH HIGH-level output voltage VI = VIH or VIL IO = −20 µA; VCC = 2.0 V IO = −20 µA; VCC = 4.5 V IO = −20 µA; VCC = 6.0 V IO = −6.0 mA; VCC = 4.5 V IO = −7.8 mA; VCC = 6.0 V 1.9 4.4 5.9 3.7 5.2 0.1 0.1 0.1 0.33 0.33 ±1.0 ±5.0 80 V V V V V µA µA µA 1.9 4.4 5.9 3.84 5.34 V V V V V Min 1.5 3.15 4.2 Typ Max 0.5 1.35 1.8 Unit V V V V V V Tamb = −40 °C to +85 °C Tamb = −40 °C to +125 °C VIH HIGH-level input voltage 1.5 3.15 4.2 V V V V V 0.5 1.35 1.8 V V V V V V 9397 750 13808 © Koninklijke Philips Electronics N.V. 2004. All rights reserved. Product data sheet Rev. 03 — 12 November 2004 7 of 17 Philips Semiconductors 74HC243 Quad bus transceiver; 3-state Table 7: Static characteristics …continued At recommended operating conditions; voltages are referenced to GND (ground = 0 V). Symbol VOL Parameter LOW-level output voltage Conditions VI = VIH or VIL IO = 20 µA; VCC = 2.0 V IO = 20 µA; VCC = 4.5 V IO = 20 µA; VCC = 6.0 V IO = 6.0 mA; VCC = 4.5 V IO = 7.8 mA; VCC = 6.0 V ILI IOZ ICC input leakage current 3-state OFF-state current quiescent supply current VI = VCC or GND; VCC = 6.0 V VI = VIH or VIL; VCC = 6.0 V; VO = VCC or GND VI = VCC or GND; IO = 0 A; VCC = 6.0 V Min Typ 0.1 0.1 0.1 0.4 0.4 ±1.0 ±10.0 160 V V V V V µA µA µA Max Unit 11. Dynamic characteristics Table 8: Dynamic characteristics GND = 0 V; tr = tf = 6 ns; CL = 50 pF; RL = 1000 Ω; see Figure 8. Symbol Tamb = 25 °C tPHL, tPLH propagation delay An to Bn; Bn to An see Figure 5 VCC = 2.0 V VCC = 4.5 V VCC = 6.0 V VCC = 5.0 V; CL = 15 pF tPZH, tPZL 3-state output enable time OEA to An or Bn; OEB to An or Bn see Figure 6 and 7 VCC = 2.0 V VCC = 4.5 V VCC = 6.0 V tPHZ, tPLZ 3-state output disable time OEA to An or Bn; OEB to An or Bn see Figure 6 and 7 VCC = 2.0 V VCC = 4.5 V VCC = 6.0 V tTHL, tTLH output transition time see Figure 5 VCC = 2.0 V VCC = 4.5 V VCC = 6.0 V CPD tPHL, tPLH power dissipation capacitance per transceiver VI = GND to VCC propagation delay An to Bn; Bn to An see Figure 5 VCC = 2.0 V VCC = 4.5 V VCC = 6.0 V 9397 750 13808 Parameter Conditions Min Typ Max Unit [1] 22 8 6 6 50 18 14 61 22 18 14 5 4 26 90 18 15 150 30 26 165 33 28 60 12 10 - ns ns ns ns ns ns ns ns ns ns ns ns ns pF - Tamb = −40 °C to +85 °C 115 23 20 ns ns ns © Koninklijke Philips Electronics N.V. 2004. All rights reserved. Product data sheet Rev. 03 — 12 November 2004 8 of 17 Philips Semiconductors 74HC243 Quad bus transceiver; 3-state Table 8: Dynamic characteristics …continued GND = 0 V; tr = tf = 6 ns; CL = 50 pF; RL = 1000 Ω; see Figure 8. Symbol tPZH, tPZL Parameter 3-state output enable time OEA to An or Bn; OEB to An or Bn Conditions see Figure 6 and 7 VCC = 2.0 V VCC = 4.5 V VCC = 6.0 V tPHZ, tPLZ 3-state output disable time OEA to An or Bn; OEB to An or Bn see Figure 6 and 7 VCC = 2.0 V VCC = 4.5 V VCC = 6.0 V tTHL, tTLH output transition time see Figure 5 VCC = 2.0 V VCC = 4.5 V VCC = 6.0 V Tamb = −40 °C to +125 °C tPHL, tPLH propagation delay An to Bn; Bn to An see Figure 5 VCC = 2.0 V VCC = 4.5 V VCC = 6.0 V tPZH, tPZL 3-state output enable time OEA to An or Bn; OEB to An or Bn see Figure 6 and 7 VCC = 2.0 V VCC = 4.5 V VCC = 6.0 V tPHZ, tPLZ 3-state output disable time OEA to An or Bn; OEB to An or Bn see Figure 6 and 7 VCC = 2.0 V VCC = 4.5 V VCC = 6.0 V tTHL, tTLH output transition time see Figure 5 VCC = 2.0 V VCC = 4.5 V VCC = 6.0 V [1] CPD is used to determine the dynamic power dissipation (PD in µW). PD = CPD × VCC2 × fi × N + ∑(CL × VCC2 × fo) where: fi = input frequency in MHz; fo = output frequency in MHz; CL = output load capacitance in pF; VCC = supply voltage in V; N = number of inputs switching; ∑(CL × VCC2 × fo) = sum of outputs. Min - Typ - Max 190 38 33 205 41 35 75 15 13 Unit ns ns ns ns ns ns ns ns ns - - 135 27 23 225 45 38 250 50 43 90 18 15 ns ns ns ns ns ns ns ns ns ns ns ns 9397 750 13808 © Koninklijke Philips Electronics N.V. 2004. All rights reserved. Product data sheet Rev. 03 — 12 November 2004 9 of 17 Philips Semiconductors 74HC243 Quad bus transceiver; 3-state 12. Waveforms An, Bn input VM tPHL Bn, An output tPLH VM tTHL tTLH 001aab955 VM = 0.5 × VI. Fig 5. Waveforms showing the input (An and Bn) to output (Bn and An) propagation delays and the output transition times tr OEA input 10 % 90 % VM tPLZ output LOW to OFF OFF to LOW tPHZ output HIGH to OFF OFF to HIGH outputs enabled 90 % tf tPZL 10 % tPZH VM VM outputs disabled outputs enabled 001aab959 VM = 0.5 × VI. Fig 6. Waveforms showing the 3-state enable and disable times for input OEA 9397 750 13808 © Koninklijke Philips Electronics N.V. 2004. All rights reserved. Product data sheet Rev. 03 — 12 November 2004 10 of 17 Philips Semiconductors 74HC243 Quad bus transceiver; 3-state tr 90 % OEB input VM 10 % tPLZ output LOW to OFF OFF to LOW tPHZ output HIGH to OFF OFF to HIGH outputs enabled 90 % tf tPZL 10 % tPZH VM VM outputs disabled outputs enabled 001aab956 VM = 0.5 × VI. Fig 7. Waveforms showing the 3-state enable and disable times for input OEB S1 VCC VI D.U.T. RT CL mna232 RL = 1000 Ω VCC open GND PULSE GENERATOR VO Test data is given in Table 9. Definitions for test circuit: RL = Load resistor. CL = Load capacitance including jig and probe capacitance. RT = Termination resistance should be equal to the output impedance Zo of the pulse generator. Fig 8. Load circuitry for switching times Table 9: Supply VCC 2.0 V 4.5 V 6.0 V 5.0 V Test data Input VI VCC VCC VCC VCC tr = tf 6 ns 6 ns 6 ns 6 ns Load CL 50 pF 50 pF 50 pF 15 pF RL 1 kΩ 1 kΩ 1 kΩ 1 kΩ S1 tPZL, tPLZ VCC VCC VCC VCC tPZH, tPHZ GND GND GND GND tPHL, tPLH open open open open 9397 750 13808 © Koninklijke Philips Electronics N.V. 2004. All rights reserved. Product data sheet Rev. 03 — 12 November 2004 11 of 17 Philips Semiconductors 74HC243 Quad bus transceiver; 3-state 13. Package outline DIP14: plastic dual in-line package; 14 leads (300 mil) SOT27-1 D seating plane ME A2 A L A1 c Z e b1 b 14 8 MH wM (e 1) pin 1 index E 1 7 0 5 scale 10 mm DIMENSIONS (inch dimensions are derived from the original mm dimensions) UNIT mm inches A max. 4.2 0.17 A1 min. 0.51 0.02 A2 max. 3.2 0.13 b 1.73 1.13 0.068 0.044 b1 0.53 0.38 0.021 0.015 c 0.36 0.23 0.014 0.009 D (1) 19.50 18.55 0.77 0.73 E (1) 6.48 6.20 0.26 0.24 e 2.54 0.1 e1 7.62 0.3 L 3.60 3.05 0.14 0.12 ME 8.25 7.80 0.32 0.31 MH 10.0 8.3 0.39 0.33 w 0.254 0.01 Z (1) max. 2.2 0.087 Note 1. Plastic or metal protrusions of 0.25 mm (0.01 inch) maximum per side are not included. OUTLINE VERSION SOT27-1 REFERENCES IEC 050G04 JEDEC MO-001 JEITA SC-501-14 EUROPEAN PROJECTION ISSUE DATE 99-12-27 03-02-13 Fig 9. Package outline SOT27-1 (DIP14) 9397 750 13808 © Koninklijke Philips Electronics N.V. 2004. All rights reserved. Product data sheet Rev. 03 — 12 November 2004 12 of 17 Philips Semiconductors 74HC243 Quad bus transceiver; 3-state SO14: plastic small outline package; 14 leads; body width 3.9 mm SOT108-1 D E A X c y HE vMA Z 14 8 Q A2 pin 1 index θ Lp 1 e bp 7 wM L detail X A1 (A 3) A 0 2.5 scale 5 mm DIMENSIONS (inch dimensions are derived from the original mm dimensions) UNIT mm A max. 1.75 A1 0.25 0.10 A2 1.45 1.25 A3 0.25 0.01 bp 0.49 0.36 c 0.25 0.19 D (1) 8.75 8.55 E (1) 4.0 3.8 0.16 0.15 e 1.27 0.05 HE 6.2 5.8 L 1.05 Lp 1.0 0.4 Q 0.7 0.6 0.028 0.024 v 0.25 0.01 w 0.25 0.01 y 0.1 Z (1) 0.7 0.3 θ 0.010 0.057 inches 0.069 0.004 0.049 0.019 0.0100 0.35 0.014 0.0075 0.34 0.244 0.039 0.041 0.228 0.016 0.028 0.004 0.012 8 o 0 o Note 1. Plastic or metal protrusions of 0.15 mm (0.006 inch) maximum per side are not included. OUTLINE VERSION SOT108-1 REFERENCES IEC 076E06 JEDEC MS-012 JEITA EUROPEAN PROJECTION ISSUE DATE 99-12-27 03-02-19 Fig 10. Package outline SOT108-1 (SO14) 9397 750 13808 © Koninklijke Philips Electronics N.V. 2004. All rights reserved. Product data sheet Rev. 03 — 12 November 2004 13 of 17 Philips Semiconductors 74HC243 Quad bus transceiver; 3-state SSOP14: plastic shrink small outline package; 14 leads; body width 5.3 mm SOT337-1 D E A X c y HE vM A Z 14 8 Q A2 A1 pin 1 index Lp L 1 bp 7 wM detail X (A 3) θ A e 0 2.5 scale 5 mm DIMENSIONS (mm are the original dimensions) UNIT mm A max. 2 A1 0.21 0.05 A2 1.80 1.65 A3 0.25 bp 0.38 0.25 c 0.20 0.09 D (1) 6.4 6.0 E (1) 5.4 5.2 e 0.65 HE 7.9 7.6 L 1.25 Lp 1.03 0.63 Q 0.9 0.7 v 0.2 w 0.13 y 0.1 Z (1) 1.4 0.9 θ 8 o 0 o Note 1. Plastic or metal protrusions of 0.25 mm maximum per side are not included. OUTLINE VERSION SOT337-1 REFERENCES IEC JEDEC MO-150 JEITA EUROPEAN PROJECTION ISSUE DATE 99-12-27 03-02-19 Fig 11. Package outline SOT337-1 (SSOP14) 9397 750 13808 © Koninklijke Philips Electronics N.V. 2004. All rights reserved. Product data sheet Rev. 03 — 12 November 2004 14 of 17 Philips Semiconductors 74HC243 Quad bus transceiver; 3-state 14. Revision history Table 10: Revision history Release date 20041112 Data sheet status Product data sheet Change notice Doc. number 9397 750 13808 Supersedes 74HC_HCT243_CNV_2 Document ID 74HC243_3 Modifications: • • • The format of this data sheet has been redesigned to comply with the current presentation and information standard of Philips Semiconductors. Removed type number 74HCT243. Inserted family specification. Product specification Product specification 74HC_HCT243_1 - 74HC_HCT243_CNV_2 74HC_HCT243_1 19970828 19901201 9397 750 13808 © Koninklijke Philips Electronics N.V. 2004. All rights reserved. Product data sheet Rev. 03 — 12 November 2004 15 of 17 Philips Semiconductors 74HC243 Quad bus transceiver; 3-state 15. Data sheet status Level I II Data sheet status [1] Objective data Preliminary data Product status [2] [3] Development Qualification Definition This data sheet contains data from the objective specification for product development. Philips Semiconductors reserves the right to change the specification in any manner without notice. This data sheet contains data from the preliminary specification. Supplementary data will be published at a later date. Philips Semiconductors reserves the right to change the specification without notice, in order to improve the design and supply the best possible product. This data sheet contains data from the product specification. Philips Semiconductors reserves the right to make changes at any time in order to improve the design, manufacturing and supply. Relevant changes will be communicated via a Customer Product/Process Change Notification (CPCN). III Product data Production [1] [2] [3] Please consult the most recently issued data sheet before initiating or completing a design. The product status of the device(s) described in this data sheet may have changed since this data sheet was published. The latest information is available on the Internet at URL http://www.semiconductors.philips.com. For data sheets describing multiple type numbers, the highest-level product status determines the data sheet status. 16. 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 60134). 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. 17. 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 in the products - including circuits, standard cells, and/or software - described or contained herein in order to improve design and/or performance. When the product is in full production (status ‘Production’), relevant changes will be communicated via a Customer Product/Process Change Notification (CPCN). 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. 18. Contact information For additional information, please visit: http://www.semiconductors.philips.com For sales office addresses, send an email to: sales.addresses@www.semiconductors.philips.com 9397 750 13808 © Koninklijke Philips Electronics N.V. 2004. All rights reserved. Product data sheet Rev. 03 — 12 November 2004 16 of 17 Philips Semiconductors 74HC243 Quad bus transceiver; 3-state 19. Contents 1 2 3 4 5 6 6.1 6.2 7 7.1 8 9 10 11 12 13 14 15 16 17 18 General description . . . . . . . . . . . . . . . . . . . . . . 1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Quick reference data . . . . . . . . . . . . . . . . . . . . . 2 Ordering information . . . . . . . . . . . . . . . . . . . . . 2 Functional diagram . . . . . . . . . . . . . . . . . . . . . . 3 Pinning information . . . . . . . . . . . . . . . . . . . . . . 4 Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 4 Functional description . . . . . . . . . . . . . . . . . . . 5 Function table . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . . 5 Recommended operating conditions. . . . . . . . 6 Static characteristics. . . . . . . . . . . . . . . . . . . . . 6 Dynamic characteristics . . . . . . . . . . . . . . . . . . 8 Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Package outline . . . . . . . . . . . . . . . . . . . . . . . . 12 Revision history . . . . . . . . . . . . . . . . . . . . . . . . 15 Data sheet status . . . . . . . . . . . . . . . . . . . . . . . 16 Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Contact information . . . . . . . . . . . . . . . . . . . . 16 © Koninklijke Philips Electronics N.V. 2004 All rights are reserved. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice. No liability will be accepted by the publisher for any consequence of its use. Publication thereof does not convey nor imply any license under patent- or other industrial or intellectual property rights. Date of release: 12 November 2004 Document number: 9397 750 13808 Published in The Netherlands