INTEGRATED CIRCUITS PCA8550 4-bit multiplexed/1-bit latched 5-bit I2C EEPROM DIP switch Product data Supersedes data of 2001 Jan 12 Philips Semiconductors 2003 Jun 27
Philips Semiconductors Product data 4-bit multiplexed/1-bit latched 5-bit I2C EEPROM DIP switch PCA8550 FEATURES • 4-bit 2-to-1 multiplexer, 1-bit latch DIP switch • 5-bit internal non-volatile register • Override input forces all outputs to logic 0 • Internal non-volatile register write/readable via I2C-bus • Write-protect pin enables/disables I2C writes to register • 2.5 V multiplexed outputs • 3.
Philips Semiconductors Product data 4-bit multiplexed/1-bit latched 5-bit I2C EEPROM DIP switch PCA8550 I2C INTERFACE PIN DESCRIPTION PIN NUMBER SYMBOL 1 I2C SCL I2C-bus clock 2 I2C SDA Bi-directional I2C-bus data 3 OVERRIDE_N Forces all outputs to logic 0 4 MUX_IN A 5 MUX_IN B Communicating with this device is initiated by sending a valid address on the I2C-bus.
Philips Semiconductors Product data 4-bit multiplexed/1-bit latched 5-bit I2C EEPROM DIP switch PCA8550 BLOCK DIAGRAM 10-30 kΩ 13 CRESET MUX_SELECT 3 OVERRIDE_N 5-BIT EEPROM 100-150 kΩ LATCH 1 SCL 2 SDA CHIP SET 2 I C INTERFACE LOGIC INPUT FILTER 3.3 V POWER-ON RESET 10-30k Ω 8 GND 15 4 5 6 7 WRITE 14 NON_MUX_OUT 0 2.5 V A20M 12 MUX_OUT A /FSBM0 4-BIT 2-to-1 MULTIPLEXER 16 VCC SELECT NMO 3.3 V 2.5 V IGNNE 11 MUX_OUT B /FSBM1 3.3 V 2.
Philips Semiconductors Product data 4-bit multiplexed/1-bit latched 5-bit I2C EEPROM DIP switch PCA8550 ABSOLUTE MAXIMUM RATINGS1, 2 In accordance with the Absolute Maximum Rating System (IEC 134) Voltages are referenced to GND (ground = 0 V) SYMBOL VCC VI VOUT Tstg PARAMETER CONDITIONS DC supply voltage RATING UNIT -0.5 to +4.6 V DC input voltage Note 3 -1.5 to VCC +1.5 V DC output voltage Note 3 -0.5 to VCC +0.5 V -60 to +150 °C Storage temperature range NOTES: 1.
Philips Semiconductors Product data 4-bit multiplexed/1-bit latched 5-bit I2C EEPROM DIP switch PCA8550 DC CHARACTERISTICS Temp = 0 to +70 °C 3.0 V < VCC ≤ 3.6 V LIMITS SYMBOL PARAMETER CONDITIONS UNIT MIN MAX 0 0.6 V SCL, SDA VOL LOW-level output voltage IOL LOW-level output current VOL = 0.4 V 3.0 mA IOL LOW-level output current VOL = 0.6 V 6.0 mA IIL1 LOW-level input current VIL = 0.4 V -7 -32 µA IIH HIGH-level input current VIH = 2.4 V -1.
Philips Semiconductors Product data 4-bit multiplexed/1-bit latched 5-bit I2C EEPROM DIP switch PCA8550 AC CHARACTERISTICS LIMITS SYMBOL PARAMETER tMPD Mux input to output propagation delay tSOV MUX_SELECT to output valid tOVN OVERRIDE_N to NON_MUX output delay tOVM OVERRIDE_N to mux output delay MIN MAX UNIT 20.0 ns 22 ns 15.0 ns 25.0 ns tR Output rise time 1.0 3.0 ns/V tF Output fall time 1.0 3.
Philips Semiconductors Product data 4-bit multiplexed/1-bit latched 5-bit I2C EEPROM DIP switch PCA8550 SO16: plastic small outline package; 16 leads; body width 3.
Philips Semiconductors Product data 4-bit multiplexed/1-bit latched 5-bit I2C EEPROM DIP switch PCA8550 SSOP16: plastic shrink small outline package; 16 leads; body width 5.
Philips Semiconductors Product data 4-bit multiplexed/1-bit latched 5-bit I2C EEPROM DIP switch PCA8550 TSSOP16: plastic thin shrink small outline package; 16 leads; body width 4.
Philips Semiconductors Product data 4-bit multiplexed/1-bit latched 5-bit I2C EEPROM DIP switch REVISION HISTORY Rev Date _6 20030627 PCA8550 Description Product data (9397 750 11678); ECN 853-2015 29936 dated 19 May 2003. Supersedes data of 2001 Jan 12 (9397 750 07926). Modifications: • Update marketing information. • Increase number of write cycles from 3K to 100K. _5 2003 Jun 27 20010112 Product data (9397 750 07926); ECN 853-2015 25405 of 12 Jan 2001.
Philips Semiconductors Product data 4-bit multiplexed/1-bit latched 5-bit I2C EEPROM DIP switch PCA8550 Purchase of Philips I2C components conveys a license under the Philips’ I2C patent to use the components in the I2C system provided the system conforms to the I2C specifications defined by Philips. This specification can be ordered using the code 9398 393 40011.
