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|  MIL-M-38510/337B
6.5 Abbreviations, symbols, and definitions. The abbreviations, symbols, and definitions used herein are defined
in MIL-PRF-38535, MIL-HDBK-1331, and as follows:
GND ...........................................
Ground zero voltage potential
VIN ...............................................
Voltage level at an input terminal
VIC ...............................................
Input clamp voltage
IIN ................................................
Current flowing into an input terminal
6.6 Logistic support. Lead materials and finishes (see 3.4) are interchangeable. Unless otherwise specified,
microcircuits acquired for Government logistic support will be acquired to device class B (see 1.2.2), lead material
and finish A (see 3.4). Longer length leads and lead forming should not affect the part number.
6.7 Substitutability. The cross-reference information below is presented for the convenience of users.
Microcircuits covered by this specification will functionally replace the listed generic-industry type. Generic-industry
microcircuit types may not have equivalent operational performance characteristics across military temperature
ranges or reliability factors equivalent to MIL-M-35810 device types and may have slight physical variations in relation
to case size. The presence of this information should not be deemed as permitting substitution of generic-industry
types for MIL-M-38510 types or as a waiver of any of the provisions of MIL-PRF-38535.
Military device
Generic-industry
type
type
01
54F138
02
54F139
6.8 Manufacturers' designation. Manufacturers' circuits which form a part of this specification are designated with
an "X" as shown in table IV herein.
TABLE IV. Manufacturers' designations.
Manufacturer's designation
Device
Circuit A
Circuit B
Circuit C
type
National Semiconductor/
Motorola Inc. Signetics Corp.
Fairchild Semiconductor
01
X
X
02
X
X
6.9 Changes from previous issue. Asterisks are not used in this revision to identify changes with respect to the
previous issue due to the extensiveness of the changes.
CONCLUDING MATERIAL
Custodians:
Preparing activity:
Army - CR
DLA - CC
Navy - EC
Air Force - 11
(Project 5962-2011)
DLA - CC
Review activities:
Army - MI, SM
Navy - AS, CG, MC, SH, TD
Air Force - 03, 19, 99
NOTE: The activities listed above were interested in this document as of the date of this document. Since
organizations and responsibilities can change, you should verify the currency of the information above using the
ASSIST Online database at www.dodssp.daps.mil.
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