参数资料
型号: IDT72V271LA10TF8
厂商: IDT, Integrated Device Technology Inc
文件页数: 3/27页
文件大小: 0K
描述: IC FIFO SS 16384X18 10NS 64QFP
标准包装: 1,250
系列: 72V
功能: 同步
存储容量: 288K(16K x 18)
访问时间: 10ns
电源电压: 3 V ~ 3.6 V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 64-LQFP
供应商设备封装: 64-TQFP(10x10)
包装: 带卷 (TR)
其它名称: 72V271LA10TF8
IDT72V261LA/72V271LA
3.3 VOLT CMOS SuperSync FIFO 16,384 x 9 and 32,768 x 9
11
COMMERCIAL AND INDUSTRIAL
TEMPERATURE RANGES
JANUARY 30, 2009
When
EF goes HIGH, Retransmit setup is complete and read opera-
tions may begin starting with the first location in memory. Since IDT
Standard mode is selected, every word read including the first word
following Retransmit setup requires a LOW on
REN to enable the rising
edge of RCLK. See Figure 11, Retransmit Timing (IDT Standard Mode),
for the relevant timing diagram.
If FWFT mode is selected, the FIFO will mark the beginning of the
Retransmit setup by setting
OR HIGH. During this period, the internal
read pointer is set to the first location of the RAM array.
When
OR goes LOW, Retransmit setup is complete; at the same
time, the contents of the first location appear on the outputs. Since
FWFT mode is selected, the first word appears on the outputs, no LOW
on
REN is necessary. Reading all subsequent words requires a LOW
on
REN to enable the rising edge of RCLK. See Figure 12, Retransmit
Timing (FWFT Mode), for the relevant timing diagram.
For either IDT Standard mode or FWFT mode, updating of the
PAE,
HF and PAF flags begin with the rising edge of RCLK that RT is setup.
PAE is synchronized to RCLK, thus on the second rising edge of RCLK
after
RT is setup, the PAE flag will be updated. HF is asynchronous,
thus the rising edge of RCLK that
RT is setup will update HF. PAF is
synchronized to WCLK, thus the second rising edge of WCLK that
occurs tSKEW after the rising edge of RCLK that
RT is setup will update
PAF. RT is synchronized to RCLK.
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IDT72V271LA15PFGI8 功能描述:IC FIFO SS 16384X18 15NS 64QFP RoHS:是 类别:集成电路 (IC) >> 逻辑 - FIFO 系列:72V 标准包装:90 系列:7200 功能:同步 存储容量:288K(16K x 18) 数据速率:100MHz 访问时间:10ns 电源电压:4.5 V ~ 5.5 V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:64-LQFP 供应商设备封装:64-TQFP(14x14) 包装:托盘 其它名称:72271LA10PF
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