参数资料
型号: IDT72V3676L10PF8
厂商: IDT, Integrated Device Technology Inc
文件页数: 14/39页
文件大小: 0K
描述: IC FIFO 16384X36 10NS 128QFP
标准包装: 1,000
系列: 72V
功能: 异步
存储容量: 576K(16K x 36)
数据速率: 100MHz
访问时间: 10ns
电源电压: 3.15 V ~ 3.45 V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 128-LQFP
供应商设备封装: 128-TQFP(14x20)
包装: 带卷 (TR)
其它名称: 72V3676L10PF8
21
COMMERCIALTEMPERATURERANGE
IDT72V3656/72V3666/72V3676 3.3V CMOS TRIPLE BUS SyncFIFOTM
WITH BUS MATCHING 2,048 x 36 x 2, 4,096 x 36 x 2 and 8,192 x 36 x 2
Figure 9. Serial Programming of the Almost-Full Flag and Almost-Empty Flag Offset Values after Reset (IDT Standard and FWFT Modes)
NOTES:
1. tSKEW1 is the minimum time between the rising CLKA edge and a rising CLKC edge for
FFC/IRC to transition HIGH in the next cycle. If the time between the rising edge of CLKA and rising
edge of CLKC is less than tSKEW1, then
FFC/IRC may transition HIGH one CLKC cycle later than shown.
2. It is not necessary to program Offset register bits on consecutive clock cycles. FIFO write attempts are ignored until
FFA/IRA, FFC/IRC is set HIGH.
3. Programmable offsets are written serially to the SD input in the order
AFA offset (Y1), AEB offset (X1), AFC offset (Y2), and AEA offset (X2).
NOTES:
1. tSKEW1 is the minimum time between the rising CLKA edge and a rising CLKC edge for
FFC/IRC to transition HIGH in the next cycle. If the time between the rising edge of CLKA and rising
edge of CLKC is less than tSKEW1, then
FFC/IRC may transition HIGH one CLKC cycle later than shown.
2.
CSA = LOW, W/RA = HIGH, MBA = LOW. It is not necessary to program Offset register on consecutive clock cycles.
Figure 8. Parallel Programming of the Almost-Full Flag and Almost-Empty Flag Offset Values after Reset (IDT Standard and FWFT Modes)
4665 drw09
CLKA
MRS1,
MRS2
FFA/IRA
CLKC
FFC/IRC
A0-A35
FS1,FS0
ENA
tFSH
tWFF
tENH
tENS2
tSKEW1
tDS
tDH
tWFF
4
0,0
AFA Offset
(Y1)
AEB Offset
(X1)
AFC Offset
(Y2)
AEA Offset
(X2)
First Word to FIFO1
1
2
(1)
tFSH
tFSS
FS2
CLKA
FFA/IRA
tSENS
tSENH
FS0/SD(3)
tSPH
tSENS
tSENH
tFSS
tWFF
FS1/SEN
AEA Offset
(X2) LSB
tSDS
tSDH
tSDS
tSDH
AFA Offset
(Y1) MSB
MRS1,
MRS2
4
4665 drw 10
tFSS
tFSH
CLKC
4
FS2
FFC/IRC
tWFF
tSKEW(1)
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