p82b96td/s410 NXP Semiconductors, p82b96td/s410 Datasheet
![no-image](/images/manufacturer_photos/0/4/487/nxp_semiconductors_sml.jpg)
p82b96td/s410
Available stocks
Related parts for p82b96td/s410
p82b96td/s410 Summary of contents
Page 1
P82B96 Dual bidirectional bus buffer Rev. 06 — 31 January 2008 1. General description The P82B96 is a bipolar IC that creates a non-latching, bidirectional, logic interface between the normal C-bus logic signals to similar buses having ...
Page 2
... P82B96DP P82B96PN P82B96TD P82B96TD/S410 4.1 Ordering options Table 2. Type number P82B96DP P82B96PN P82B96TD P82B96TD/S410 P82B96_6 Product data sheet 2 C-buses operating at different logic levels (for example and 2 C-bus and SMBus (350 A) standard 2 C-bus SDA or SCL signals to multi-drop differential bus Ordering information Package ...
Page 3
... Table 3. Symbol GND P82B96_6 Product data sheet P82B96 1 Sx (SDA (SCL) Block diagram of P82B96 P82B96TD P82B96TD/S410 GND 4 002aab978 Fig 3. Pin configuration for SO8 Pin description Pin Description C-bus (SDA or SCL) 2 receive signal ...
Page 4
... NXP Semiconductors 7. Functional description Refer to The P82B96 has two identical buffers allowing buffering of both of the I SCL) signals. Each buffer is made up of two logic signal paths, a forward path from the 2 I C-bus interface pin which drives the buffered bus, and a reverse signal path from the buffered bus input to drive the I • ...
Page 5
... Sx I voltage on pin Tx buffered output voltage on pin Rx receive input current on any pin total power dissipation junction temperature operating range P82B96TD/S410 storage temperature ambient temperature operating Rev. 06 — 31 January 2008 Dual bidirectional bus buffer 2 C-bus logic voltage 2 C-bus logic voltage levels of all ...
Page 6
... NXP Semiconductors 9. Characteristics Table 5. Characteristics T = +25 C; voltages are specified with respect to GND with V amb Symbol Parameter Power supply V supply voltage CC I supply current CC I additional quiescent CC supply current Bus pull-up (load) voltages and currents maximum input/output Sx Sy voltage static output loading on ...
Page 7
... NXP Semiconductors Table 5. Characteristics …continued T = +25 C; voltages are specified with respect to GND with V amb Symbol Parameter Input logic switching threshold voltages input logic voltage LOW on normal input logic level HIGH Sx Sy threshold dV /dT, temperature coefficient Sx dV ...
Page 8
... C input capacitance i [1] Limit data for +125 C applies to P82B96TD/S410 version guaranteed by design/characterization, but not by 100 % test. [2] The minimum value requirement for pull-up current, 200 A, guarantees that the minimum value for V the minimum V input HIGH level to eliminate any possibility of latching. The specified difference is guaranteed by design within any IC. ...
Page 9
... NXP Semiconductors 1000 V OL (mV) 800 600 400 typical and limits over temperature OL (1) Maximum (2) Typical (3) Minimum Fig function of junction temperature 0.2 mA) OL 1000 V IL(max) (mV) 800 600 400 200 changes over temperature range IL(max) Fig 7 ...
Page 10
... NXP Semiconductors 10. Application information Refer to AN460 and AN255 for more application detail. Fig 10. Interfacing an ‘I Fig 11. Galvanic isolation of I SDA SCL Fig 12. Long distance I P82B96_6 Product data sheet + C-bus SDA 1 P82B96 / 2 2 C’ type of bus with different logic levels ...
Page 11
... NXP Semiconductors Figure 13 in applications that involve plug and socket connections and long cables that may become damaged. A simple circuit is added to monitor the SDA bus, and if its LOW time exceeds the design value, then the master bus is disconnected. P82B96 will free all its I/Os if its supply is removed, so one option is to connect its V say, the 74LVC family ...
Page 12
... NXP Semiconductors Figure 14 calculating with lumped wiring capacitance yields reasonable approximations to actual timing, even 25 meters of cable is better treated using transmission line theory. Flat ribbon cables connected as shown, with the bus signals on the outer edge, will have a characteristic impedance in the range 100 ...
Page 13
... NXP Semiconductors V CC1 R2 R2 SCL C-BUS MASTER SDA Sy P82B96 C2 C2 GND Fig 14. Driving ribbon or flat telephone cables P82B96_6 Product data sheet +V cable drive cable propagation delay 5 ns/m BAT54A BAT54A Rev. 06 — 31 January 2008 P82B96 Dual bidirectional bus buffer ...
Page 14
Table 6. Examples of bus capability Refer to Figure 14 CC1 CC2 cable ( ) ( ) (pF 750 2.2 k 400 ...
Page 15
... NXP Semiconductors 10.1 Calculating system delays and bus clock frequency for a Fast mode system local master bus V CCM SCL MASTER 2 I C-BUS GND (0 V) Effective delay of SCL at slave: 255 + 17V volts. Fig 15. Falling edge of SCL at master is delayed by the buffers and bus fall times ...
Page 16
... NXP Semiconductors local master bus V CCM SDA MASTER 2 I C-BUS GND (0 V) Effective delay of SDA at master = 270 + 0.2RsCs + 0.7 (RbCb + RmCm) ns Fig 17. Rising edge of SDA at slave is delayed by the buffers and bus rise times Figure 15, with relatively large capacitance, linking two Fast mode I simplifi ...
Page 17
... NXP Semiconductors edge from the master reaching the slave the SCL rising edge SDA, reaching the master The master microcontroller should be programmed to produce a nominal SCL LOW period = (1300 + A minimum SCL HIGH period of 600 ns. Then a check should be made to ensure the cycle time is not shorter than the minimum 2500 ns. If found necessary, just increase either clock period ...
Page 18
... NXP Semiconductors 400 800 1200 frequency = 624 kHz Fig 19. Propagation (Sx pull- pull- P82B96_6 Product data sheet 002aab995 1600 2000 0 ns ch1 frequency = 624 kHz Fig 20. Propagation (Sx pull- ...
Page 19
... NXP Semiconductors 11. Package outline DIP8: plastic dual in-line package; 8 leads (300 mil pin 1 index 1 DIMENSIONS (inch dimensions are derived from the original mm dimensions UNIT max. min. max. mm 4.2 0.51 3.2 inches 0.17 0.02 0.13 Note 1. Plastic or metal protrusions of 0.25 mm (0.01 inch) maximum per side are not included. ...
Page 20
... NXP Semiconductors SO8: plastic small outline package; 8 leads; body width 3 pin 1 index 1 DIMENSIONS (inch dimensions are derived from the original mm dimensions) A UNIT max. 0.25 1.45 mm 1.75 0.25 0.10 1.25 0.010 0.057 inches 0.069 0.01 0.004 0.049 Notes 1. Plastic or metal protrusions of 0.15 mm (0.006 inch) maximum per side are not included. ...
Page 21
... NXP Semiconductors TSSOP8: plastic thin shrink small outline package; 8 leads; body width pin 1 index 1 e DIMENSIONS (mm are the original dimensions UNIT max. 0.15 0.95 mm 1.1 0.25 0.05 0.80 Notes 1. Plastic or metal protrusions of 0.15 mm maximum per side are not included. 2. Plastic or metal protrusions of 0.25 mm maximum per side are not included. ...
Page 22
... NXP Semiconductors 12. Soldering of SMD packages This text provides a very brief insight into a complex technology. A more in-depth account of soldering ICs can be found in Application Note AN10365 “Surface mount reflow soldering description” . 12.1 Introduction to soldering Soldering is one of the most common methods through which packages are attached to Printed Circuit Boards (PCBs), to form electrical circuits ...
Page 23
... NXP Semiconductors 12.4 Reflow soldering Key characteristics in reflow soldering are: • Lead-free versus SnPb soldering; note that a lead-free reflow process usually leads to higher minimum peak temperatures (see reducing the process window • Solder paste printing issues including smearing, release, and adjusting the process window for a mix of large and small components on one board • ...
Page 24
... NXP Semiconductors Fig 24. Temperature profiles for large and small components For further information on temperature profiles, refer to Application Note AN10365 “Surface mount reflow soldering description” . 13. Soldering of through-hole mount packages 13.1 Introduction to soldering through-hole mount packages This text gives a very brief insight into wave, dip and manual soldering. ...
Page 25
... NXP Semiconductors 13.4 Package related soldering information Table 9. Package CPGA, HCPGA DBS, DIP, HDIP, RDBS, SDIP, SIL [2] PMFP [1] For SDIP packages, the longitudinal axis must be parallel to the transport direction of the printed-circuit board. [2] For PMFP packages hot bar soldering or manual soldering is suitable. 14. Abbreviations Table 10 ...
Page 26
... Document ID Release date P82B96_6 20080131 • Modifications: The format of this data sheet has been redesigned to comply with the new identity guidelines of NXP Semiconductors. • Legal texts have been adapted to the new company name where appropriate. • Table 5 current HIGH” ...
Page 27
... Right to make changes — NXP Semiconductors reserves the right to make changes to information published in this document, including without limitation specifications and product descriptions, at any time and without notice ...
Page 28
... NXP Semiconductors 18. Contents 1 General description . . . . . . . . . . . . . . . . . . . . . . 1 2 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 3 Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 4 Ordering information . . . . . . . . . . . . . . . . . . . . . 2 4.1 Ordering options . . . . . . . . . . . . . . . . . . . . . . . . 2 5 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 3 6 Pinning information . . . . . . . . . . . . . . . . . . . . . . 3 6.1 Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 6.2 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 3 7 Functional description . . . . . . . . . . . . . . . . . . . 4 8 Limiting values Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . 6 10 Application information 10.1 Calculating system delays and bus clock frequency for a Fast mode system . . . . . . . . . 15 11 Package outline ...