参数资料
型号: MA28140
厂商: Dynex Semiconductor Ltd.
英文描述: Packet Telecommand Decoder
中文描述: 包遥控解码器
文件页数: 48/72页
文件大小: 857K
代理商: MA28140
MA28140
48/72
8.2 AC CHARACTERISTICS
Symbol
F
T
Parameter
Functionality
Conditions
V
DD
= 4.5 - 5.5V, FREQ = 4MHz
V
IL
= V
SS
, V
IH
= V
DD
, V
OL
= V
OH
= V
DD
/2
Temp. = -55
°
C to +125
°
C, GPS Pattern Set
MIL-STD-883 5005 subgroups 7, 8A, 8B
Table 10: Functionality
Min.
-
-
100
100
Max.
4
-
-
-
Units
MHz
-
ns
ns
Symbol
Fck
Tck
Tcl
Tch
Typ.
-
1/Fck
-
-
Parameter
Clock frequency
Clock period
Clock low pulse width
Clock high pulse width
NOTES.
1. T
CK
will be used as a reference for the timings.
2. For timings specified as a number of clock cycles, it should be noted that there is a variance of
±
10ns caused by the
hold time (for inputs only) and different delays for rising and falling signals.
3. It should be noted that a half clock cycle can mean either the longer or shorter time for a clock not having a duty cycle
of 50%.
4. V
DD
= 5V
±
10% over full temperature range.
5. Total dose radiation not exceeding 10
5
Rads (sec).
6. Input pulse = V
SS
to 4V.
7. Measurement reference level = 1.5V.
8. Output load 1 TTL gate and C
L
= 50pF.
9. Tables 11-25 contain Mil-Std-883, method 5005, subgroups 9, 10, 11.
Table 11: Clock Timings
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