FNFM-TTL-20G [ETC]
Analog Filter ; 模拟滤波器\n型号: | FNFM-TTL-20G |
厂家: | ETC |
描述: | Analog Filter
|
文件: | 总2页 (文件大小:155K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
2
pulse width recognition is maintained as shown in the accompanying
part number table, when tested under the "Test Conditions" shown.
Temperature coefficient is less than ±800ppm/0C over the operating
temperature range of 0 to +700C.
T L FAST input and output
•
•
•
•
•
•
Pulse width detection stable and precise
14-pin DIP package
Leads — thru-hole, J, Gull Wing or Tucked
Available in pulse widths from 5 to 200ns
These noise filter modules are of hybrid construction utilizing the
proven technologies of active integrated circuitry and of passive
networks utilizing capacitive, inductive and resistive elements. The
MTBF on these modules, when calculated per MIL-HDBK-217 for a
500C ground fixed environment, is in excess of 3.5 million hours.
2
8 T L fan-out capacity
design notes
These “DIP Series” modules are packaged in a 14-pin DIP
housing, molded of flame-proof Diallyl Phthalate per MIL-M-14,
Type SDG-F, and are fully encapsulated in epoxy resin. Leads meet
the solderability requirements of MIL-STD-202, Method 208. Corner
standoffs on the housing of the thru-hole lead version and lead
design of the surface mount versions provide positive standoff from
the printed circuit board to permit solder-fillet formation and flush
cleaning of solder-flux residues for improved reliability.
The "DIP Series" Logic Noise Filter Modules developed by
Engineered Components Company has been designed for use in
2
T L systems employing data pulses of either a fixed width or a
minimum width. The filter module will produce a “1” at the output,
without significant change in width, only when a “1” appears at the
input for greater than the specified pulse width; all shorter pulses
will be suppressed. This operation will effectively eliminate sources
of stray noise pulses and should prove particularly effective in
eliminating transients created by crosstalk from leading edges of
fast rise time pulses.
2
Marking consists of the manufacturer's name, logo (EC ), part
number, terminal identification and date code of manufacture. All
marking is applied by silk screen process using white epoxy paint in
accordance with MIL-STD-130, to meet the permanency of identifi-
cation required by MIL-STD-202, Method 215.
The FNFM-TTL is offered in 20 pulse widths from 5ns to 200ns
for optimum noise pulse rejection in varous systems. Tolerance on
BLOCK DIAGRAM IS SHOWN BELOW
OPERATING SPECIFICATIONS
Vcc
14
INPUT
8
V
supply voltage:
supply current:
4.75 to 5.25V DC
cc
. . . . . . . . . . . .
V
cc
X
X
X
Constant "0" in
Constant "1" in
30mA typical
7mA typical
. . . . . . . . . . . . .
. . . . . . . . . . . . .
OUTPUT
BUFFER
PULSE WIDTH
DETECTOR
Logic 1 Input:
Voltage
2V min.; V max.
cc
2.7V = 20uA max.
5.5V = 1mA max.
. . . . . . . . . . . . . . . . .
Current
. . . . . . . . . . . . . . . . .
1
7
GROUND
OUTPUT
Logic 0 Input:
. . . . . . . . . . . . . . . . .
Voltage
Current
.8V max.
–.6mA max.
MECHANICAL DETAIL IS SHOWN BELOW
. . . . . . . . . . . . . . . . .
Pin No. 14
V
8
Logic 1 Voltage out:
Logic 0 Voltage out:
Fan out
2.7V min.
.5V max.
IN
. . . . . . . . . . .
. . . . . . . . . . .
2
8 T L loads
. . . . . . . . . . . . . . . . . .
Operating temperature range:
0 to +70oC
OUT
C
. . . . . . .
. . . . . . . . . . .
Pin No.
1
7
Storage temperature:
–55 to +125oC.
Pulse width suppression times increase or decrease approximately
2% for a respective increase or decrease of 5% in supply voltage.
PART NUMBER TABLE
Suffix Part Number with G (for Gull Wing Lead), J (for
J Lead), F (for Thru-hole Lead) or T (for Tucked Lead).
Examples: FNFM-TTL-10G (Gull Wing), FNFM-TTL-25J
(J Lead), FNFM-TTL-75F (Thru-hole Lead) or FNFM-TTL-
80T (Tucked Lead)
*
*Thru-hole Lead
TIMES AND TOLERANCES (in ns)
Pulse Widths
PART NO.
Nominal
Suppress
Pass
≤
≤
5
10
15
20
25
30
35
40
45
50
60
70
75
80
90
100
125
150
175
200
4
9
≥ 6
FNFM-TTL-5
≥
FNFM-TTL-10
FNFM-TTL-15
FNFM-TTL-20
FNFM-TTL-25
FNFM-TTL-30
FNFM-TTL-35
FNFM-TTL-40
FNFM-TTL-45
FNFM-TTL-50
FNFM-TTL-60
FNFM-TTL-70
FNFM-TTL-75
FNFM-TTL-80
FNFM-TTL-90
FNFM-TTL-100
FNFM-TTL-125
FNFM-TTL-150
FNFM-TTL-175
FNFM-TTL-200
11
16
21
26
31
36
41
46
51
62
72
77
82
92
≥
≥
≥
≥
≥
≥
≥
≥
≥
≥
≥
≥
≥
≤ 14
≤ 19
≤ 24
≤ 29
≤ 34
≤ 39
≤43
≤48
≤ 58
≤ 68
≤ 73
≤ 78
≤ 88
≤ 98
≤123
≤147
≤172
≤196
*Gull Wing Lead
.5
.5
.5
.5
*J Lead
≥
≥
≥
≥
≥
102
127
153
178
204
*Tucked Lead
The output of the module will remain at state “0” for any
transient input pulses shorter than suppress times and will
change to state “1” for pulses longer than pass times. Input
pulse width is measure at the +1.5 level.
TEST CONDITIONS
1. All measurements are made at 25oC.
2. Vcc supply voltage is maintained at 5.0V DC.
3. All units are tested using a FAST toggle-type positive input
pulse and one FAST T2L load at the output.
4. All units are tested to verify suppress and pass pulse widths,
as tabulated in the part number table.
Special modules can be readily manufactured to provide customer
specified times for specific applications.
Catalog No. C/091594R
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