参数资料
型号: IDT82P2828BHG
厂商: IDT, Integrated Device Technology Inc
文件页数: 54/154页
文件大小: 0K
描述: IC LIU T1/J1/E1 28+1CH 640-PBGA
标准包装: 5
类型: 线路接口装置(LIU)
规程: E1
电源电压: 3.13 V ~ 3.47 V
安装类型: 表面贴装
封装/外壳: 640-BGA 裸露焊盘
供应商设备封装: 640-PBGA-EP(31x31)
包装: 托盘
其它名称: 82P2828BHG
IDT82P2828
28(+1) CHANNEL HIGH-DENSITY T1/E1/J1 LINE INTERFACE UNIT
Physical And Electrical Specifications
147
February 6, 2009
8.13.5 PARALLEL INTEL MULTIPLEXED MICROPROCESSOR INTERFACE
8.13.5.1Read Cycle Specification
Figure-68 Parallel Intel Multiplexed Microprocessor Interface Read Cycle
Symbol
Parameter
Min
MAX
Units
tAEW
Valid ALE signal width
5
ns
tRSW
Valid read signal width
36 (T1/J1) / 33 (E1) or wait until RDY activated
ns
tCSD
Valid RD + CS falling edge delay after ALE falling edge
0
ns
tVAS
Valid address to ALE setup time
5
ns
tVAH
Valid address to ALE hold time
5
ns
tPRD
Data propagation delay after valid read signal falling edge
31 (T1/J1) / 28 (E1)
ns
tZRD
Valid read negated to output High-Z before valid ALE rising edge
5
20
ns
RD + CS
D[7:0]
Valid Data
tZRD
tRSW
tPRD
Note: WR shall be tied to high.
RDY
tAEW
tCSD
ALE
Valid address
tVAS
tVAH
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