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參數資料
| 型號： | 81840 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 128 Channel Multiplexer |
| 中文描述： | 128通道多路復用器 |
| 文件頁數： | 1/12頁 |
| 文件大小： | 161K |
| 代理商： | 81840 |
1
M
All data sheets are subject to change without notice
(858) 503-3300 - Fax: (858) 503-3301 - wwwmaxwell.com
128 Channel Multiplexer
81840
2021 Maxwell Technologies
All rights reserved.
06.17.02 REV 5
F
EATURES
:
128 channel multiplexer, MCM
Package:
- 256 pin R
AD
-P
AK
quad flat pack
Total dose hardness:
- > 300 krads(Si)
- Dependent upon orbit
Excellent Single Event Effects:
SEL: > 110 MeV-cm
2
/mg
SEU: > 110 MeV-cm
2
/mg
D
ESCRIPTION
:
Maxwell Technologies’ 81840 high-performance 128-channel
multiplexer features a typical 300 krad (Si) total dose tolerance.
This datasheet defines the design, performance, and test require-
ments for a hermetic, telemetry multiplexer, multi-chip-module
(MCM), utilizing chip and wire technology to be used in space
systems. The 81840 is intended for use in the environments
encountered by high reliability spacecraft applications. The pat-
ented radiation-hardened R
AD
-P
AK
technology incorporates radi-
ation shielding in the mcrocircuit package. Capable of surviving
in-space environment, the 81840 is ideal for satellite, spacecraft,
and space probe mssions. It is available up to Class K screening.
16:1
1840A
16:1
1840A
16:1
1840A
16:1
1840A
16:1
1840A
16:1
1840A
16:1
1840A
(8 TOTAL 1840A’s)
GRND
5
4
GRND
5
4
GRND
GRND
OUT
IN
IN
OUT
8
8
5
16
16
GRND
8
5
GRND
8
5
IN
OUT
8
8
GRND
8
5
IN
NEGATIVE
OUTPUT
POSITIVE
OUTPUT
OUT
4
4
8
4
ADDRESS ENABLE
128 TOTAL
ANALOG INPUTS
GROUND
REFERENCE
INPUTS
SPARE
INPUTS
ADDRESS
ENABLE
SPARE
OUTPUT
ADDRESS
ENABLE
7
SPARE
INPUT
VREF
(+5V)
GRND
ADDRESS
ENABLE
SPARE
OUTPUT
ADDRESS
ENABLE
8
8
IN
IN
ADDRESS ENABLE
COMMON TO ALL
INPUT MUX’s
CLAMP/
PRECHARGE
ADDRESS
ENABLE
CASCADE
INPUT
BYPASS
V+
(+15V)
V-
(-15V)
+
-
IN
IN
See page 2 for pin assignments.
81840
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