参数资料
型号: IDT82V2604BB
厂商: IDT, Integrated Device Technology Inc
文件页数: 7/97页
文件大小: 0K
描述: IC INVERSE MUX 4CH ATM 208-BGA
标准包装: 1
应用: 无线
接口: Utopia
电源电压: 2.97 V ~ 3.63 V
封装/外壳: 208-BGA
供应商设备封装: 208-PBGA(17x17)
包装: 托盘
安装类型: 表面贴装
其它名称: 82V2604BB
PIN DESCRIPTION
15
December 4, 2006
IDT82V2604
Inverse Multiplexing for ATM
A7
A6
A5
A4
A3
A2
A1
A0
M14
M13
N16
N15
N14
N13
N12
P16
I
A[7:0]: Address Bus
These pins function as an address bus of the microprocessor interface.
CS
L13
I
CS: Chip Select
For each read or write operation, this pin must be changed from high to low, and remains low until the
operation is over.
INT
R12
Open_drain
INT: Interrupt Request
A low level on this pin indicates that an interrupt is pending inside the chip.
SRAM Interface
EMD7
EMD6
EMD5
EMD4
EMD3
EMD2
EMD1
EMD0
D4
C4
B4
A4
D5
C5
B5
A5
I/O
EMD[7:0]: Data Bus
Data Input/Output pins for the external SRAM. Used for data exchange between the IDT82V2604 and
the external SRAM.
EMA18
EMA17
EMA16
EMA15
EMA14
EMA13
EMA12
EMA11
EMA10
EMA9
EMA8
EMA7
EMA6
EMA5
EMA4
EMA3
EMA2
EMA1
EMA0
A6
C7
B7
A7
C8
B8
A8
A9
B9
C9
A10
B10
C10
A11
B11
C11
D11
A12
B12
O
EMA[18:0]: Address Bus
Address of the external SRAM. Used to select a data entry in the external SRAM.
EM_WE
D6
O
EM_WE: Write Enable
Write enable signal for the external SRAM. When EM_WE pin and EM_CS pin are both low, data can
be written to the external SRAM.
EM_OE
B6
O
EM_OE: Output Enable
Output enable signal for the external SRAM. When EM_OE pin and EM_CS pin are both low, data can
be read from the external SRAM.
EM_CS
C6
O
EM_CS: Chip Select
Chip enable signal for the external SRAM.
Table-1 Pin Description (Continued)
Name
Pin Number
Input/Output
Description
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