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CD22M3493 Fiches technique(PDF) 5 Page - Intersil Corporation |
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CD22M3493 Fiches technique(HTML) 5 Page - Intersil Corporation |
5 / 6 page 68 Pin Descriptions SYMBOL 40 LEAD PDIP PIN NO. 44 LEAD PLCC PIN NO. DESCRIPTION POWER SUPPLIES VDD 40 44 Positive Supply VSS 20 22 Negative Supply ADDRESS AX0 - AX3 5, 22, 23 and 4 5, 24, 25 and 4 X Address Lines. These pins select one of the 12 rows of switches. See the Truth Table for the valid addresses. AY0 - AY2 24, 25 and 2 26, 27 and 2 Y Address Lines. These pins select one of the 8 columns of switches. See the Truth Table for the valid addresses. CONTROL DATA 38 42 DATA Input determines the state of the addressed switch. A high or one will close the switch. A low or zero will open the switch. STROBE 18 20 STROBE Input enables the action defined by the DATA and ADDRESS Inputs. A low or zero results in no action. The ADDRESS Input must be stable before the STROBE Input goes to the active high level. The DATA Input must be stable on the failing edge of the STROBE. RESET 3 3 MASTER RESET. A high or one on this line opens all switches. INPUTS/OUTPUTS X0 - X5 I/O X6 - X11 33 - 28 8 - 13 37 - 32 9 - 14 Analog or Digital Inputs/Outputs. These pins are the rows X0 - X11. Y0 - Y7 I/O 35, 37, 39, 1, 21, 19, 17 and 15 40, 41, 43, 1, 23, 21, 19 and 18 Analog or Digital Inputs/Outputs. These pins are the columns Y0 - Y7. Pinouts CD22M3493 (PDIP) TOP VIEW CD22M3493 (PLCC) TOP VIEW 13 1 2 3 4 5 6 7 8 9 10 11 12 14 15 16 17 18 19 20 33 34 35 36 37 38 39 40 32 31 30 29 24 25 26 27 28 21 22 23 Y6 STROBE Y5 NC X11 X10 X7 X6 NC NC NC Y7 X8 DATA Y2 Y1 Y0 X1 X0 NC X3 AX2 Y4 AY0 AX1 AY1 NC NC X5 X4 Y3 AY2 RESET AX3 AX0 X9 VDD VSS NC X2 NC NC X0 X1 X2 X3 X4 X5 NC NC NC NC NC X6 X7 X8 X9 X10 X11 NC NC NC 40 65 3 2 1 44 43 42 41 4 18 19 20 21 22 23 24 25 26 27 28 7 17 16 15 12 13 14 9 10 11 8 38 37 39 35 34 33 36 31 30 29 32 CD22M3493 |
Numéro de pièce similaire - CD22M3493 |
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Description similaire - CD22M3493 |
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