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MT8816 Dataheets PDF



Part Number MT8816
Manufacturers Mitel Networks Corporation
Logo Mitel Networks Corporation
Description ISO-CMOS 8 x 16 Analog Switch Array
Datasheet MT8816 DatasheetMT8816 Datasheet (PDF)

ISO-CMOS ® MT8816 8 x 16 Analog Switch Array Features • • • • • • • • • • Internal control latches and address decoder Short set-up and hold times Wide operating voltage: 4.5V to 13.2V 12Vpp analog signal capability R ON 65 Ω max. @ V DD=12V, 25°C ∆R ON ≤10Ω @ V DD=12V, 25°C Full CMOS switch for low distortion Minimum feedthrough and crosstalk Separate analog and digital reference supplies Low power consumption ISO-CMOS technology ISSUE 2 November 1988 Ordering Information MT8816AC 40 Pin .

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ISO-CMOS ® MT8816 8 x 16 Analog Switch Array Features • • • • • • • • • • Internal control latches and address decoder Short set-up and hold times Wide operating voltage: 4.5V to 13.2V 12Vpp analog signal capability R ON 65 Ω max. @ V DD=12V, 25°C ∆R ON ≤10Ω @ V DD=12V, 25°C Full CMOS switch for low distortion Minimum feedthrough and crosstalk Separate analog and digital reference supplies Low power consumption ISO-CMOS technology ISSUE 2 November 1988 Ordering Information MT8816AC 40 Pin Ceramic DIP MT8816AE 40 Pin Plastic DIP MT8816AP 44 Pin PLCC -40° to 85°C Description The Mitel MT8816 is fabricated in MITEL’s ISOCMOS technology providing low power dissipation and high reliability. The device contains a 8 x 16 array of crosspoint switches along with a 7 to 128 line decoder and latch circuits. Any one of the 128 switches can be addressed by selecting the appropriate seven address bits. The selected switch can be turned on or off by applying a logical one or zero to the DATA input. V SS is the ground refer-ence of the digital inputs. The range of the analog signal is from VDD to VEE. Chip Select (CS) allows the crosspoint array to be cascaded for matrix expansion. Applications • • • • • • Key systems PBX systems Mobile radio Test equipment/instrumentation Analog/digital multiplexers Audio/Video switching CS STROBE DATA RESET VDD VEE VSS AX0 AX1 AX2 AX3 AY0 AY1 AY2 1 1 •••••••••••••••• 8 x 16 7 to 128 Decoder Latches Switch Array 128 128 Xi I/O (i=0-15) ••••••••••••••••••• Yi I/O (i=0-7) Figure 1 - Functional Block Diagram 3-45 MT8816 ISO-CMOS 40 PIN CERDIP/PLASTIC DIP Figure 2 - Pin Connections Pin Description Pin #* 1 2 3 4,5 6,7 8-13 14 15 16 17 18 Name Y3 AY2 RESET Description Y3 Analog (Input/Output): this is connected to the Y3 column of the switch array. Y2 Address Line (Input). Master RESET (Input): this is used to turn off all switches regardless of the condition of CS. Active High. AX3,AX0 X3 and X0 Address Lines (Inputs). X14, X15 X14 and X15 Analog (Inputs/Outputs): these are connected to the X14 and X15 rows of the switch array. X6-X11 NC Y7 VSS Y6 X6-X11 Analog (Inputs/Outputs): these are connected to the X6-X11 rows of the switch array. No Connection Y7 Analog (Input/Output): this is connected to the Y7 column of the switch array. Digital Ground Reference. Y6 Analog (Input/Output): this is connected to the Y6 column of the switch array. STROBE STROBE (Input): enables function selected by address and data. Address must be stable before STROBE goes high and DATA must be stable on the falling edge of the STROBE. Active High. Y5 VEE Y4 Y5 Analog (Input/Output): this is connected to the Y5 column of the switch array. Negative Power Supply. Y4 Analog (Input/Output): this is connected to the Y4 column of the switch array. 19 20 21 22, 23 24, 25 AX1,AX2 X1 and X2 Address Lines (Inputs). AY0,AY1 Y0 and Y1 Address Lines (Inputs). * Plastic DIP and CERDIP only 3-46 VSS Y6 STROBE Y5 VEE Y4 AX1 AX2 AY0 AY1 NC 44 PIN PLCC Y3 AY2 RESET AX3 AX0 X14 X15 X6 X7 X8 X9 X10 X11 NC Y7 VSS Y6 STROBE Y5 VEE 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 VDD Y2 DATA Y1 CS Y0 NC X0 X1 X2 X3 X4 X5 X12 X13 AY1 AY0 AX2 AX1 Y4 X14 X15 X6 X7 X8 X9 X10 X11 NC NC Y7 6 5 4 3 2 1 44 43 42 41 40 7 39 8 38 9 37 10 36 11 35 12 34 13 33 14 32 15 31 16 30 29 17 18 19 20 21 22 23 24 25 26 27 28 AX3 RESET AY2 Y3 VDD Y2 DATA Y1 CS Y0 NC X0 X1 X2 X3 X4 X5 X12 X13 NC NC AX0 ISO-CMOS Pin Description (continued) Pin #* 26, 27 28 - 33 34 35 36 37 38 39 40 Name Description MT8816 X13, X12 X13 and X12 Analog (Inputs/Outputs): these are connected to the X13 and X12 rows of the switch array. X5-X0 NC Y0 CS Y1 DATA Y2 VDD X5-X0 Analog (Inputs/Outputs): these are connected to the X5-X0 rows of the switch array. No Connection. Y0 Analog (Input/Output): this is connected to the Y0 column of the switch array. Chip Select (Input): this is used to select the device. Active High. Y1 Analog (Input/Output): this is connected to the Y1 column of the switch array. DATA (Input): a logic high input will turn on the selected switch and a logic low will turn off the selected switch. Active High. Y2 Analog (Input/Output): this is connected to the Y2 column of the switch array. Positive Power Supply. * Plastic DIP and CERDIP only Functional Description The MT8816 is an analog switch matrix with an array size of 8 x 16. The switch array is arranged such that there are 8 columns by 16 rows. The columns are referred to as the Y inputs/outputs and the rows are the X inputs/outputs. The crosspoint analog switch array will interconnect any X I/O with any Y I/O when turned on and provide a high degree of isolation when turned off. The control memory consists of a 128 bit write only RAM in which the bits are selected by the address inputs (AY0-AY2, AX0-AX3). Data is presented to the memory on the DATA input. Data is asynchronously written into memory whenever .


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