PCA9501PW NXP Semiconductors, PCA9501PW Datasheet
PCA9501PW
Available stocks
Related parts for PCA9501PW
PCA9501PW Summary of contents
Page 1
PCA9501 2 8-bit I C and SMBus I/O port with interrupt, 2-kbit EEPROM and 6 address pins Product data sheet Supersedes data of 2003 Sep 12 Philips Semiconductors INTEGRATED CIRCUITS 2004 Sep 30 ...
Page 2
... PCA9501 appears as two separate devices to the bus master. The PCA9501 supports hot insertion to facilitate usage in removable 2 C/SMBus cards on backplane systems. ORDER CODE TOPSIDE MARK PCA9501D PCA9501D PCA9501PW PCA9501 PCA9501BS 2 Product data sheet PCA9501 address starts with “0”, so the ...
Page 3
Philips Semiconductors 2 C and SMBus I/O port with interrupt, 8-bit I 2-kbit EEPROM and 6 address pins PIN CONFIGURATION – SO, TSSOP SDA SCL I/ ...
Page 4
Philips Semiconductors 2 C and SMBus I/O port with interrupt, 8-bit I 2-kbit EEPROM and 6 address pins BLOCK DIAGRAM PCA9501 SCL INPUT FILTER SDA POWER-ON RESET WC 2004 Sep ...
Page 5
Philips Semiconductors 2 C and SMBus I/O port with interrupt, 8-bit I 2-kbit EEPROM and 6 address pins FUNCTIONAL DESCRIPTION WRITE PULSE DATA FROM SHIFT REGISTER POWER-ON RESET READ PULSE DATA TO SHIFT REGISTER Figure 4. Simplified schematic diagram of ...
Page 6
Philips Semiconductors 2 C and SMBus I/O port with interrupt, 8-bit I 2-kbit EEPROM and 6 address pins I/O OPERATIONS (see also Figure 4) Each of the PCA9501’s eight I/Os can be independently used as an input or output. Output ...
Page 7
Philips Semiconductors 2 C and SMBus I/O port with interrupt, 8-bit I 2-kbit EEPROM and 6 address pins Quasi-bidirectional I/Os (see Figure 8) A quasi-bidirectional I/O can be used as an input or output without the use of a control ...
Page 8
Philips Semiconductors 2 C and SMBus I/O port with interrupt, 8-bit I 2-kbit EEPROM and 6 address pins Interrupt (see Figs 9 and 12) The PCA9501 provides an open drain output (INT) which can be fed to a corresponding input ...
Page 9
Philips Semiconductors 2 C and SMBus I/O port with interrupt, 8-bit I 2-kbit EEPROM and 6 address pins MEMORY OPERATIONS Write operations Write operations require an additional address field to indicate the memory address location to be written. The address ...
Page 10
Philips Semiconductors 2 C and SMBus I/O port with interrupt, 8-bit I 2-kbit EEPROM and 6 address pins Read operations PCA9501 read operations are initiated in an identical manner to write operations with the exception that the memory slave address’ ...
Page 11
Philips Semiconductors 2 C and SMBus I/O port with interrupt, 8-bit I 2-kbit EEPROM and 6 address pins 2 CHARACTERISTICS OF THE I C-BUS 2 The I C-bus is for 2-way, 2-line communication between different ICs or modules. The two ...
Page 12
Philips Semiconductors 2 C and SMBus I/O port with interrupt, 8-bit I 2-kbit EEPROM and 6 address pins Acknowledge (see Figure 19) The number of data bytes transferred between the start and the stop conditions from transmitter to receiver is ...
Page 13
Philips Semiconductors 2 C and SMBus I/O port with interrupt, 8-bit I 2-kbit EEPROM and 6 address pins TYPICAL APPLICATION Applications Board version tracking and configuration Board health monitoring and status reporting Multi-card systems in Telecom, Networking, and Base Station ...
Page 14
Philips Semiconductors 2 C and SMBus I/O port with interrupt, 8-bit I 2-kbit EEPROM and 6 address pins TYPICAL APPLICATION SCL SDA MASTER CONTROLLER INT GND NOTE: GPIO device address configured as 0110000 for ...
Page 15
Philips Semiconductors 2 C and SMBus I/O port with interrupt, 8-bit I 2-kbit EEPROM and 6 address pins ABSOLUTE MAXIMUM RATINGS Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these conditions ...
Page 16
Philips Semiconductors 2 C and SMBus I/O port with interrupt, 8-bit I 2-kbit EEPROM and 6 address pins NON-VOLATILE STORAGE SPECIFICATIONS PARAMETER Memory cell data retention Number of memory cell write cycles 2 I C-BUS TIMING CHARACTERISTICS SYMBOL PARAMETER 2 ...
Page 17
Philips Semiconductors 2 C and SMBus I/O port with interrupt, 8-bit I 2-kbit EEPROM and 6 address pins handbook, full pagewidth START CONDITION PROTOCOL (S) t SU;STA SCL BUF SDA t HD;STA POWER-UP TIMING SYMBOL 1 t ...
Page 18
Philips Semiconductors 2 C and SMBus I/O port with interrupt, 8-bit I 2-kbit EEPROM and 6 address pins TYPICAL PERFORMANCE CURVES – amb 0 –20 –40 –60 –80 –100 –120 –140 –160 ...
Page 19
Philips Semiconductors 2 C and SMBus I/O port with interrupt, 8-bit I 2-kbit EEPROM and 6 address pins amb 0 –20 –40 –60 –80 –100 –120 –140 0 0.4 NOTE: Rapid ...
Page 20
Philips Semiconductors 2 C and SMBus I/O port with interrupt, 8-bit I 2-kbit EEPROM and 6 address pins SOLDERING Introduction There is no soldering method that is ideal for all IC packages. Wave soldering is often preferred when through-hole and ...
Page 21
Philips Semiconductors 2 C and SMBus I/O port with interrupt, 8-bit I 2-kbit EEPROM and 6 address pins TSSOP20: plastic thin shrink small outline package; 20 leads; body width 4.4 mm 2004 Sep 30 21 Product data sheet PCA9501 SOT360-1 ...
Page 22
Philips Semiconductors 2 C and SMBus I/O port with interrupt, 8-bit I 2-kbit EEPROM and 6 address pins HVQFN20: plastic thermal enhanced very thin quad flat package; no leads; 20 terminals; body 0.85 mm 2004 Sep ...
Page 23
Philips Semiconductors 2 C and SMBus I/O port with interrupt, 8-bit I 2-kbit EEPROM and 6 address pins REVISION HISTORY Rev Date Description _3 20040930 Product data sheet (9397 750 14135). Supersedes data of 2003 Sep 12 (9397 750 12058). ...
Page 24
Philips Semiconductors 2 C and SMBus I/O port with interrupt, 8-bit I 2-kbit EEPROM and 6 address pins Purchase of Philips I to use the components in the specifications defined by Philips. This specification can be ...