参数资料
型号: IDT70T651S12DRI
厂商: IDT, Integrated Device Technology Inc
文件页数: 26/27页
文件大小: 0K
描述: IC SRAM 9MBIT 12NS 208QFP
标准包装: 6
格式 - 存储器: RAM
存储器类型: SRAM - 双端口,异步
存储容量: 9M(256K x 36)
速度: 12ns
接口: 并联
电源电压: 2.4 V ~ 2.6 V
工作温度: -40°C ~ 85°C
封装/外壳: 208-BFQFP
供应商设备封装: 208-PQFP(28x28)
包装: 托盘
其它名称: 70T651S12DRI
IDT70T651/9S
High-Speed 2.5V 256/128K x 36 Asynchronous Dual-Port Static RAM
Identification Register Definitions
Industrial and Commercial Temperature Ranges
Instruction Field
Revision Number (31:28)
IDT Device ID (27:12)
IDT JEDEC ID (11:1)
ID Register Indicator Bit (Bit 0)
Value
0x0
0x338 (1)
0x33
1
Description
Reserved for version number
Defines IDT part number 70T651
Allows unique identification of device vendor as IDT
Indicates the presence of an ID register
5632 tbl 21
NOTE:
1. Device ID for IDT70T659 is 0x339.
Scan Register Sizes
Register Name
Instruction (IR)
Bypass (BYR)
Identification (IDR)
Boundary Scan (BSR)
Bit Size
4
1
32
Note (3)
5632 tbl 22
System Interface Parameters
Instruction
EXTEST
BYPASS
IDCODE
HIGHZ
CLAMP
SAMPLE/PRELOAD
RESERVED
Code
0000
1111
0010
0100
0011
0001
All Other Codes
Description
Forces contents of the boundary scan cells onto the device outputs (1) .
Places the boundary scan register (BSR) between TDI and TDO.
Places the bypass register (BYR) between TDI and TDO.
Loads the ID register (IDR) with the vendor ID code and places the
register between TDI and TDO.
Places the bypass register (BYR) between TDI and TDO. Forces all
device output drivers to a High-Z state.
Uses BYR. Forces contents of the boundary scan cells onto the device
outputs. Places the bypass register (BYR) between TDI and TDO.
Places the boundary scan register (BSR) between TDI and TDO.
SAMPLE allows data from device inputs (2) and outputs (1) to be captured
in the boundary scan cells and shifted serially through TDO. PRELOAD
allows data to be input serially into the boundary scan cells via the TDI.
Several combinations are reserved. Do not use codes other than those
identified above.
5632 tbl 23
NOTES:
1. Device outputs = All device outputs except TDO.
2. Device inputs = All device inputs except TDI, TMS, TCK and TRST .
3. The Boundary Scan Descriptive Language (BSDL) file for this device is available on the IDT website (www.idt.com), or by contacting your local
IDT sales representative.
26
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