Model: SN54LS491JS

Digital Microcircuit

Properties:

Body Length
1.258 inches
Body Width
0.293 inches
Body Height
0.185 inches
Operating Tempurature Range
-55.0/+125.0 degrees celsius
Storage Tempurature Range
-65.0/+150.0 degrees celsius
Features Provided
Hermetically sealed and burn in and w/clock and w/enable and electrostatic sensitive
Inclosure Material
Ceramic
Inclosure Configuration
Dual-in-line
Output Logic Form
Transistor-transistor logic
Input Circuit Pattern
12 input
Design Function And Quantity
1 counter, up/down
Terminal Surface Treatment
Solder
Voltage Rating And Type Per Characteristic
7.0 volts power source
Time Rating Per Chacteristic
55.00 nanoseconds propagation delay time, low to high level output and 55.00 nanoseconds propagation delay time, high to low level output
Test Data Document
96906-mil-std-883 standard (includes industry or association standards, individual manufactureer standards, etc.).
Terminal Type And Quantity
24 printed circuit
NSN
5962-01-273-6757
Part Number
SN54LS491JS
Description
Microcircuit,digital
CAGE
50364

A microcircuit specifically designed to generate, modify, or process electrical signals which operate with two distinct or binary states. These states are commonly referred to as on and off, true and false, high and low, or "1" and "0".

Part SN54LS491JS NSN 5962-01-273-6757

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
31779
FIIG:
A458A0
Concept No.:
1
App. Key:
A
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
B
ESD:
B
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
SPI No.:
SPI Rev.:
SPC Mkg:
39
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
061700
UFC:
34580
LTL:
RATING VARIABLE
LCL:
--
WCC:
72D
TCC:
3
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8542900000
  • SITC: 77689
  • End Use: Semiconductors
  • NAICS: 334413
  • USDA: 1

Freight Class: Electronic integrated circuits and microassembly parts

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