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參數(shù)資料
| 型號： | MA7001 |
| 廠商： | Dynex Semiconductor Ltd. |
| 英文描述： | Radiation Hard 512x9 Bit FIFO |
| 中文描述： | 輻射硬512x9位的FIFO |
| 文件頁數(shù)： | 5/15頁 |
| 文件大小： | 144K |
| 代理商： | MA7001 |
MA7001
5/15
Input Pulse Levels
Input Rise and Fall Times
Input Timing Reference Levels
Output Reference Levels
Output Load
GND to 3.0V
5ns
1.5V
1.5V
See Figure 7
Figure 5: AC Test Conditions
Symbol
Parameter
Conditions
Max.
Unit
C
IN
C
OUT
Input Capacltance (Note 1)
Output Capacitance (Notes 1 and 2)
V
IN
= 0V
V
OUT
= 0V
7
12
pF
pF
NOTES:
1. Characterized values, not currently tested.
2. With output deselected.
Figure 6: Capacitance
TRUTH TABLES
Input
Output
Pointer
Operation
R
W
RS
RT
Xl
EF
FF
Data
Read
Write
Reset
1
1
1
1
x
x
0
1
1
1
1
1
x
0
1
1
1
1
0
0
0
0
0
0
0
1
1
0
x
1
1
1
1
1
1
0
Z
Z
Zero
Zero
Zero
N/C
N/C
N/C
Retransmit*
Read
Read
Write
Write
1
→
0
x
x
x
valid
Z
x
x
Increment
N/C
N/C
N/C
1
→
0
x
Increment
N/C
* Only available if less than 512 writes since last reset.
Figure 8: Single Device or Width Expansion: Read, Write, Reset and Retransmit
Input
Output
Pointer
Operation
R
W
RS
FL
Xl
EF
FF
Data
Read
Write
Reset First
Reset Rest
1
1
1
1
0
0
0
1
1
1
0
0
1
1
Z
Z
Zero
Zero
Zero
Zero
NOTES:
1. See Modes of Operation for connections of
Xl
and
XO
in depth expansion mode.
2.
XI
is connected to
XO
of previous device (Figure 12).
Figure 9: Depth Expansion: Reset and First Load
Output
under test
Test Point
LOAD 1
≤
50pF*
Figure 7: Output Load
* Includes jig
and scope
capacitances
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