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HM1-6642-9 Datasheet(PDF) 2 Page - Intersil Corporation |
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HM1-6642-9 Datasheet(HTML) 2 Page - Intersil Corporation |
2 / 8 page 6-2 Functional Diagram Pinouts HM-6642 (SBDIP) TOP VIEW HM-6642 (CLCC) TOP VIEW 1 2 3 4 5 6 7 8 9 10 11 12 A7 A6 A5 A4 A3 A2 A1 A0 Q0 Q1 Q2 GND 16 17 18 19 20 21 22 23 24 15 14 13 VCC G1 G2 G3 E Q7 Q5 Q4 Q3 A8 P Q6 23 24 25 22 21 20 19 11 3 2 1 4 14 15 16 17 18 12 13 28 27 26 10 5 6 7 8 9 A4 A3 A2 A1 A0 NC Q0 G2 G3 E P NC Q7 Q6 PIN DESCRIPTION PIN DESCRIPTION NC No Connect A0-A8 Address Inputs E Chip Enable Q Data Output VCC Power (+5V) G1, G2, G3 Output Enable P (Note) Program Enable NOTE: P should be hardwired to GND except during programming. 8 8 8 8 8 8 64 x 64 MATRIX 64 6 E LATCHED REGISTER ADDRESS 6 3 A 3 A A3 A4 A5 A6 A7 A8 A0 A1 A2 8 8 A A D GATED COLUMN DECODER Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 LATCHED ADDRESS REGISTER GATED ROW DECODER 8-BIT DATA LATCH ADDRESS LATCHES AND GATED DECODERS: GATE ON FALLING EDGE OF E LATCH ON FALLING EDGE OF E ALL LINES POSITIVE LOGIC - ACTIVE HIGH A HIGH DATA LATCHES: Q LATCHES ON RISING EDGE OF E L HIGH THREE STATE BUFFERS: P SHOULD BE HARDWIRED TO GND EXCEPT DURING PROGRAMMING G1 G2 G3 Q = D OUTPUT ACTIVE HM-6642 |
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Similar Description - HM1-6642-9 |
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