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723631L20PF8 PDF预览

723631L20PF8

更新时间: 2023-07-15 00:00:00
品牌 Logo 应用领域
艾迪悌 - IDT /
页数 文件大小 规格书
21页 216K
描述
TQFP-120, Reel

723631L20PF8 数据手册

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IDT723631/723641/723651 CMOS SyncFIFO™  
512 x 36, 1,024 x 36 and 2,048 x 36  
COMMERCIALANDINDUSTRIAL  
TEMPERATURERANGES  
another and can be asynchronous or coincident. The enables for each  
port are arranged to provide a simple interface between microprocessors  
and/or buses with synchronous control.  
The Input Ready (IR) flag and Almost-Full (AF) flag of the FIFO are  
two-stage synchronized to CLKA. The Output Ready (OR) flag and Al-  
most-Empty (AE) flag of the FIFO are two-stage synchronized to CLKB.  
Offset values for the Almost-Full and Almost-Empty flags of the FIFO can be  
programmed from port A or through a serial input.  
DESCRIPTION(CONTINUED)  
register has a flag to signal when new mail has been stored. Two or more  
devices may be used in parallel to create wider data paths. Expansion is  
also possible in word depth.  
These devices are a clocked FIFO, which means each port employs a  
synchronous interface. All data transfers through a port are gated to the  
LOW-to-HIGH transition of a continuous (free-running) port clock by en-  
able signals. The continuous clocks for each port are independent of one  
PINCONFIGURATION  
NC  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
33  
34  
35  
36  
37  
38  
39  
40  
41  
42  
43  
44  
45  
46  
47  
48  
49  
50  
116  
115  
114  
113  
112  
111  
110  
109  
108  
107  
106  
105  
104  
103  
102  
101  
100  
99  
NC  
NC  
B
B
B
B
35  
34  
33  
32  
*
A
A
A
A
V
A
A
35  
34  
33  
32  
CC  
31  
30  
GND  
B
B
B
B
B
B
31  
30  
29  
28  
27  
26  
GND  
A
A
A
A
A
A
A
29  
28  
27  
26  
25  
24  
23  
V
CC  
B
25  
B24  
GND  
B
B
B
B
B
B
23  
22  
21  
20  
19  
18  
GND  
98  
A
V
A
A
A
A
22  
CC  
21  
20  
19  
18  
97  
96  
95  
GND  
94  
B
17  
16  
93  
B
92  
GND  
V
CC  
91  
A
A
A
A
A
V
A
17  
16  
15  
14  
13  
CC  
12  
B
15  
14  
13  
12  
90  
B
B
B
89  
88  
87  
GND  
NC  
86  
85  
NC  
84  
NC  
3023 drw02  
* Electrical pin 1 in center of beveled edge. Pin 1 identifier in corner.  
NOTES:  
1. NC – No Connection  
2. Uses Yamaichi socket IC51-1324-828  
PQFP (PQ132-1, ORDER CODE: PQF)  
TOP VIEW  
2

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