Model: 74LS21A

Digital Microcircuit

Properties:

Body Length
0.796 inches
Body Width
Between 0.220 inches and 0.310 inches
Body Height
Between 0.140 inches and 0.185 inches
Maximum Power Dissipation Rating
22.0 milliwatts
Operating Tempurature Range
-55.0/+125.0 degrees celsius
Storage Tempurature Range
-65.0/+150.0 degrees celsius
End Application
Red analog switch fscm 04655
Features Provided
Hermetically sealed and monolithic and positive outputs and schottky and low power and w/totem pole output
Inclosure Material
Ceramic and glass
Inclosure Configuration
Dual-in-line
Output Logic Form
Transistor-transistor logic
Input Circuit Pattern
Dual 4 input
Design Function And Quantity
2 gate, and
Case Outline Source And Designator
D-1 mil-m-38510
Current Rating Per Characteristic
4.40 milliamperes supply
Terminal Surface Treatment
Solder
Part Name Assigned By Controlling Agency
Microcircuit, digital: lsttl, dual four input and gate, 74ls21, dip14
Voltage Rating And Type Per Characteristic
7.0 volts power source
Time Rating Per Chacteristic
20.00 nanoseconds propagation delay
Test Data Document
81349-mil-m-38510 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Terminal Type And Quantity
14 printed circuit
Specification Data
81349-mil-m-38510/310 government specification
NSN
5962-01-034-9830
Part Number
74LS21A
Description
Microcircuit,digital
CAGE
18324

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 74LS21A NSN 5962-01-034-9830

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:
M
SPI No.:
SPI Rev.:
SPC Mkg:
39
LVL_A:
G
LVL_B:
R

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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