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PCA8581CT Datasheet(PDF) 4 Page - NXP Semiconductors |
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PCA8581CT Datasheet(HTML) 4 Page - NXP Semiconductors |
4 / 20 page 1997 Apr 02 4 Philips Semiconductors Product specification 128 × 8-bit EEPROM with I2C-bus interface PCA8581; PCA8581C 5 BLOCK DIAGRAM Fig.1 Block diagram. handbook, full pagewidth MLB887 TIMER WORD ADDRESS REGISTER SHIFT REGISTER POWER ON RESET INPUT FILTER VOLTAGE MULTIPLIER ROW SELECT MEMORY CELL ARRAY COLUMN SELECT MULTIPLEXER R/W CONTROL I C BUS CONTROL 2 6 5 SCL SDA 3 A2 2 A1 1 A0 8 VDD 4 VSS 7 TEST PCA8581 PCA8581C 7 8 6 PINNING SYMBOL PIN DESCRIPTION A0 1 hardware address input 0 A1 2 hardware address input 1 A2 3 hardware address input 2 VSS 4 negative supply SDA 5 serial data input/output SCL 6 serial clock input TEST 7 test output can be connected to VSS, VDD or left open-circuit VDD 8 positive supply Fig.2 Pin configuration. fpage 1 2 3 4 8 7 6 5 MLB888 PCA8581 PCA8581C SCL SDA A2 A1 A0 VDD VSS TEST |
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