IDT72V70840DA IDT, Integrated Device Technology Inc, IDT72V70840DA Datasheet
IDT72V70840DA
Specifications of IDT72V70840DA
Available stocks
Related parts for IDT72V70840DA
IDT72V70840DA Summary of contents
Page 1
VOLT TIME SLOT INTERCHANGE DIGITAL SWITCH 4,096 x 4,096 32 serial input and output streams 4,096 x 4,096 channel non-blocking switching at 8.192 Mb/s Accepts data streams at 2.048 Mb/s, 4.096 Mb/s or 8.192 Mb/s Per-channel Variable Delay Mode ...
Page 2
IDT72V70840 3.3V TIME SLOT INTERCHANGE DIGITAL SWITCH 4,096 x 4,096 109 TX11 TX10 110 GND 111 TX9 112 TX8 113 V 114 CC RX15 115 RX14 116 RX13 117 RX12 118 RX11 119 RX10 120 RX9 121 RX8 122 GND ...
Page 3
IDT72V70840 3.3V TIME SLOT INTERCHANGE DIGITAL SWITCH 4,096 x 4,096 SYMBOL NAME I/O GND Ground TX0-31 TX Output (Three-state Outputs) RX0-31 RX Input F0i Frame Pulse I FE/HCLK ...
Page 4
IDT72V70840 3.3V TIME SLOT INTERCHANGE DIGITAL SWITCH 4,096 x 4,096 JTAG Test Access Port (TAP) and per stream programmable input offset delay, variable or constant throughput modes, internal loopback, output enable, and Processor Mode. The IDT72V70840 is capable of switching ...
Page 5
IDT72V70840 3.3V TIME SLOT INTERCHANGE DIGITAL SWITCH 4,096 x 4,096 LOOPBACK CONTROL The loopback control (LPBK) bit of each connection memory location allows the TX output data to be looped backed internally to the RX input for diagnostic purposes. If ...
Page 6
IDT72V70840 3.3V TIME SLOT INTERCHANGE DIGITAL SWITCH 4,096 x 4,096 Delay for Constant Throughput Delay Mode Input Rate (m – output channel number) (n – input channel number) 2.048 Mb (32 – time-slots 4.096 Mb/s 64 ...
Page 7
IDT72V70840 3.3V TIME SLOT INTERCHANGE DIGITAL SWITCH 4,096 x 4,096 Reset Value: 0000 . Bit Name Description 15-10 Unused Must be zero for normal operation. 9 MBP When 1, ...
Page 8
IDT72V70840 3.3V TIME SLOT INTERCHANGE DIGITAL SWITCH 4,096 x 4,096 Reset Value: 0000 . CFE FD11 Bit Name Description 15-13 Unused Must be zero for normal operation 12 CFE (Complete When ...
Page 9
IDT72V70840 3.3V TIME SLOT INTERCHANGE DIGITAL SWITCH 4,096 x 4,096 Reset Value: 0000 for all FOR registers OF32 OF31 OF30 DLE3 OF22 OF72 OF71 OF70 DLE7 OF62 15 14 ...
Page 10
IDT72V70840 3.3V TIME SLOT INTERCHANGE DIGITAL SWITCH 4,096 x 4,096 Input Stream Offset No clock period shift (Default) + 0.5 clock period shift + 1.0 clock period shift + 1.5 clock period shift + 2.0 clock period shift + 2.5 ...
Page 11
IDT72V70840 3.3V TIME SLOT INTERCHANGE DIGITAL SWITCH 4,096 x 4,096 The IDT72V70840 JTAG interface conforms to the Boundary-Scan stan- dard IEEE-1149.1. This standard specifies a design-for-testability technique called Boundary-Scan test (BST). The operation of the boundary-scan circuitry is controlled by ...
Page 12
IDT72V70840 3.3V TIME SLOT INTERCHANGE DIGITAL SWITCH 4,096 x 4,096 Boundary Scan Bit 0 to bit 167 Device Pin Three-State Control Scan Cell ODE RESET CLK F0i FE/HCLK WFPS ...
Page 13
IDT72V70840 3.3V TIME SLOT INTERCHANGE DIGITAL SWITCH 4,096 x 4,096 CREATING LARGE SWITCH MATRICES To create a switch matrix with twice the capacity of a given TSIS device, four devices must be used. In the example below, four IDT72V70840, 4096 ...
Page 14
IDT72V70840 3.3V TIME SLOT INTERCHANGE DIGITAL SWITCH 4,096 x 4,096 Symbol Parameter V Supply Voltage CC Vi Voltage on Digital Inputs I Current at Digital Outputs O T Storage Temperature S P Package Power Dissapation D NOTE: 1. Exceeding these ...
Page 15
IDT72V70840 3.3V TIME SLOT INTERCHANGE DIGITAL SWITCH 4,096 x 4,096 Symbol Parameter t Frame Pulse Width (ST-BUS (1) FPW Bit rate = 2.048 Mb/s Bit rate = 4.096 Mb/s Bit rate = 8.192 Mb/s t Frame Pulse Setup time before ...
Page 16
IDT72V70840 3.3V TIME SLOT INTERCHANGE DIGITAL SWITCH 4,096 x 4,096 Symbol Parameter t RX Setup Time SIS t RX Hold Time SIH t TX Delay – Active to Active SOD 2.048 Mb/s @ 4.096 Mb/s @ 8.192 Mb ...
Page 17
IDT72V70840 3.3V TIME SLOT INTERCHANGE DIGITAL SWITCH 4,096 x 4,096 t FPW F0i t FPS CLK t SOD (1) TX Bit 7, Last Ch RX (1) Bit 7, Last Ch NOTE: 1. 2.048 Mb/s mode, last channel = ch 31, ...
Page 18
IDT72V70840 3.3V TIME SLOT INTERCHANGE DIGITAL SWITCH 4,096 x 4,096 Symbol Parameter t CS Setup from DS falling CSS t R/W Setup from DS falling RWS t Address Setup from DS falling ADS t CS Hold after DS rising CSH ...
Page 19
IDT72V70840 3.3V TIME SLOT INTERCHANGE DIGITAL SWITCH 4,096 x 4,096 CLK GCI CLK ST-BUS DS CS R/W A0-A11 D0-D15 READ D0-D15 WRITE DTA t CSS t RWS t ADS VALID ADDRESS Figure 10. Motorola Non-Mulitplexed Bus Timing 19 COMMERCIAL TEMPERATURE ...
Page 20
IDT XXXXXX Device Type Package 5/05/2000 pg. 1 6/08/2000 pgs and 19. 8/30/2000 pgs 11, 13, 14, 16, 17 and 19. 01/24/2001 pg. 14 10/22/2001 pg. 1. 1/04/2002 pgs. 1 and 15. pgs. ...