Multi-Protocol Mil-Std-Data Bus Interface
Model #
NHI-156XXET
The NHi Ceramic family of Mil-Std-1553
terminals address the requirements for
small, cost effective, reliable terminals
suitable for critical military applications.
The Ceramic family is designed as an
autonomous interface between a host
processor and the terminal that unbur-
dens the CPU. The ET versions function
as a programmable BC/RT/MT or simul-
taneous MT/RT. The RT devices operate
as Remote Terminal only.
FEATURES
•
Dimensions: 0.95 x 0.95 inches
•
Footprint Less Than 1 Square Inch
•
68 Pin Ceramic QFP
•
+3.3V or +5V NHi Monolithic Transceivers
3.3V Logic
•
Low Power CMOS Interface
•
Multi-Protocol Interface
•
PCI bus or Local Bus Subsystem Interface
•
20 MHz Clock
•
Dual Port Double Buffered 64K x 16 SRAM
•
BC-RT-MT-MT/RT Terminals
•
RT-Only Terminals
ISO 9001 : 2000 Certified
Generic Package Outline Drawing
Quad Gull Wing and Quad Flat Pack Packages
Gold Plated Kovar Leads
Local Bus Terminal Block Diagram
Page 2
Multi-Protocol Mil-Std-Data Bus Interface
NHi-156XXET
www.nationalhybrid.com
PCI Bus Terminal Block Diagram
Remote Terminal Message Map
Page 3
Multi-Protocol Mil-Std-Data Bus Interface
NHi-156XXET
www.nationalhybrid.com
SPECIFICATIONS
PARAMETER
Power Supply Requirements
3.3V Logic
5V Transceiver
3.3V Transceiver
Current Requirements
5V Transceiver
3.3V Transceiver
3.3V Logic/RAM
Logic I/O
V
IL
V
IH
V
OL
V
OH
PCI
Clock
20
Thermal
Resistance, Junction to Case
Case Operating
Case Storage
Lead, Soldering
Package
68-pin Quad Gull Wing
MHz
MIN
3.0
4.7
3.15
MAX
3.6
5.5
3.45
UNITS
V
V
V
Idle
100%
Idle
100%
27
465
23
700
8
38
625
38
900
20
mA
mA
mA
-0.3
2.0
2.4
0.8
3.6
0.4
3.3V signaling only
V
V
V
V
-55
-65
4
+125
+150
+300
°C/W
°C
°C
°C
0.95 x 0.95 x 0.165
24.13 x 24.13 x 4.19
0.247
7.0
0.95 x 0.95 x 0.155
24.13 x 24.13 x 3.94
0.247
7.0
inches
mm
oz
gm
inches
mm
oz
gm
68-pin Quad Flat Pack
Page 5
Multi-Protocol Mil-Std-Data Bus Interface
NHi-156XXET
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