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93LC66A

4Kb Microwire (3-wire) Serial EEPROM with 8-Bit Organization

Status: In Production

Features:

  • Industry Standard Microwire Serial I/O
  • Up to 2 MHz clock compatibility
  • 512 x 8-Bit Organization
  • Automatic Erase All (ERAL) Before Write All (WRAL)
  • Self-Timed Erase and Write Cycles (6 ms max.)
  • Read current 100 uA (Typ), 500 uA (Max)
  • Write current 500 uA (Typ), 2 mA (Max)
  • Standby current 1 uA (Max at -40 to 85°C)
  • Software Write-Protection
  • More than 1 million erase/write cycles
  • Data retention > 200 years
  • Grade 1 Temperature Range: -40°C to 125°C
  • Qualified for Automotive Applications
  • Factory Programming Available
  • Available in SOT-23-6,  PDIP-8, SOIC-8, MSOP-8, 2x3 DFN-8 and TSSOP-8
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Overview
Documents
Development Environment
Similar Devices
RoHS Information
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Device Overview

Summary

The Microchip 93LC66A device is a 4Kb Microwire (3-wire) Serial EEPROM with dedicated 8-bit memory organization and a voltage operation range of 2.5 - 5.5V.  Also available are the 93LC66B for dedicated 16-bit memory organization and the 93LC66C for hardware selectable word size using the ORG pin. The 93LC66A is optimized for use in consumer, industrial, and automotive applications where reliable and dependable nonvolatile memory storage is essential. The device is available in a variety of Pb-free packages including SOT-23, PDIP, SOIC, MSOP, DFN and TSSOP.

For product comparison, please consider: 93LC66B, 93LC66C

Additional Features
    • Industry Standard Microwire Serial I/O
    • Up to 2 MHz clock compatibility
    • 512 x 8-Bit Organization
    • Automatic Erase All (ERAL) Before Write All (WRAL)
    • Self-Timed Erase and Write Cycles (6 ms max.)
    • Low Power Consumption:
      • Read current 100 uA (Typ), 500 uA (Max)
      • Write current 500 uA (Typ), 2 mA (Max)
      • Standby current 1 uA (Max at -40 to 85°C)
    • Software Write-Protection
    • More than 1 million erase/write cycles
    • Data retention > 200 years
    • Extended Temperature Range Available (Grade 1 as defined in AEC-Q100):
      • Grade 1 Temperature Range: -40°C to 125°C
    • Qualified for Automotive Applications
    • Factory Programming Available
    • Available in SOT-23-6,  PDIP-8, SOIC-8, MSOP-8, 2x3 DFN-8 and TSSOP-8
Parametrics
Name
Value
Density
4K bits (x8)
Op. Volt Range (V)
2.5 to 5.5
Max. Clock Freq.
2 MHz
Temp Range (°C)
-40°C to +125°C
Endurance
1,000,000

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  • Socket: AC164301   PartNo: 93LC66A (8P)
  • Socket: AC164302   PartNo: 93LC66A (8SN)
  • Socket: AC164306   PartNo: 93LC66A (8ST)
  • Socket: AC164321   PartNo: 93LC66A (6OT)
  • Socket: AC164368   PartNo: 93LC66A (8MC)
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RoHS Information

Part Number
Device Weight (g)
Shipping Weight (Kg)
Lead Count
Package Type
Package Dimension
Solder Composition
JEDEC Indicator
RoHS
China EFUP
93LC66A-I/SMRVA
0.124400
0.266667
8
SOIJ
.208in
Matte Tin
e3
93LC66AT/SMRVA
0.124400
0.379048
8
SOIJ
.208in
Matte Tin
e3
93LC66A/SMRVA
0.124400
0.266667
8
SOIJ
.208in
Matte Tin
e3
93LC66AT-I/SMRVA
0.124400
0.379048
8
SOIJ
.208in
Matte Tin
e3
93LC66A-E/MS
0.025600
0.070000
8
MSOP
3x3mm
Matte Tin
e3
93LC66A-I/MS
0.025600
0.070000
8
MSOP
3x3mm
Matte Tin
e3
93LC66AT-E/MS
0.025600
0.215600
8
MSOP
3x3mm
Matte Tin
e3
93LC66AT-I/MS
0.025600
0.215600
8
MSOP
3x3mm
Matte Tin
e3
93LC66AT-I/MC
0.015600
0.130606
8
DFN
2x3x0.9mm
Matte Tin
e3
93LC66AT-E/MNY
0.014300
0.248485
8
TDFN
2x3x0.8mm
NiPdAu
e4
93LC66AT-I/MNY
0.014300
0.248485
8
TDFN
2x3x0.8mm
NiPdAu
e4
93LC66A/ST
0.033000
0.090000
8
TSSOP
4.4mm
Matte Tin
e3
93LC66A-E/ST
0.033000
0.090000
8
TSSOP
4.4mm
Matte Tin
e3
93LC66A-I/ST
0.033000
0.090000
8
TSSOP
4.4mm
Matte Tin
e3
93LC66AT/ST
0.033000
0.215600
8
TSSOP
4.4mm
Matte Tin
e3
93LC66AT-E/ST
0.033000
0.215600
8
TSSOP
4.4mm
Matte Tin
e3
93LC66AT-I/ST
0.033000
0.215600
8
TSSOP
4.4mm
Matte Tin
e3
93LC66A-I/STRVA
0.033000
0.090000
8
TSSOP
4.4mm
Matte Tin
e3
93LC66A/STRVA
0.033000
0.090000
8
TSSOP
4.4mm
Matte Tin
e3
93LC66AT/STRVA
0.033000
0.215600
8
TSSOP
4.4mm
Matte Tin
e3
93LC66AT-I/STRVA
0.033000
0.215600
8
TSSOP
4.4mm
Matte Tin
e3
93LC66A/SN
0.078000
0.250000
8
SOIC
.150In(3.90mm)
Matte Tin
e3
93LC66A-E/SN
0.078000
0.250000
8
SOIC
.150In(3.90mm)
Matte Tin
e3
93LC66A-I/SN
0.078000
0.250000
8
SOIC
.150In(3.90mm)
Matte Tin
e3
93LC66A-I/SN15KVAO
0.078000
0.250000
8
SOIC
.150In(3.90mm)
Matte Tin
e3
93LC66AT/SN
0.078000
0.230303
8
SOIC
.150In(3.90mm)
Matte Tin
e3
93LC66AT-E/SN
0.078000
0.230303
8
SOIC
.150In(3.90mm)
Matte Tin
e3
93LC66AT-I/SN
0.078000
0.230303
8
SOIC
.150In(3.90mm)
Matte Tin
e3
93LC66AT-I/SN15KVAO
0.078000
0.230303
8
SOIC
.150In(3.90mm)
Matte Tin
e3
93LC66AX/SN
0.078000
0.250000
8
SOIC
.150In(3.90mm)
Matte Tin
e3
93LC66AX-E/SN
0.078000
0.250000
8
SOIC
.150In(3.90mm)
Matte Tin
e3
93LC66AX-I/SN
0.078000
0.250000
8
SOIC
.150In(3.90mm)
Matte Tin
e3
93LC66AXT-E/SN
0.078000
0.230303
8
SOIC
.150In(3.90mm)
Matte Tin
e3
93LC66AXT-I/SN
0.078000
0.230303
8
SOIC
.150In(3.90mm)
Matte Tin
e3
93LC66A-I/SNRVA
0.078000
0.250000
8
SOIC
.150In(3.90mm)
Matte Tin
e3
93LC66AX-I/SNRVA
0.078000
0.250000
8
SOIC
.150In(3.90mm)
Matte Tin
e3
93LC66AT/SNRVA
0.078000
0.230303
8
SOIC
.150In(3.90mm)
Matte Tin
e3
93LC66AXT/SNRVA
0.078000
0.230303
8
SOIC
.150In(3.90mm)
Matte Tin
e3
93LC66AX/SNRVA
0.078000
0.250000
8
SOIC
.150In(3.90mm)
Matte Tin
e3
93LC66AT-I/SNRVA
0.078000
0.230303
8
SOIC
.150In(3.90mm)
Matte Tin
e3
93LC66AXT-I/SNRVA
0.078000
0.230303
8
SOIC
.150In(3.90mm)
Matte Tin
e3
93LC66A/SNRVA
0.078000
0.250000
8
SOIC
.150In(3.90mm)
Matte Tin
e3
93LC66AT-E/OT
0.017000
0.046667
6
SOT-23
 
Matte Tin
e3
93LC66AT-I/OT
0.017000
0.046667
6
SOT-23
 
Matte Tin
e3
93LC66A/P
0.486700
0.900000
8
PDIP
.300in
Matte Tin
e3
93LC66A-E/P
0.486700
0.900000
8
PDIP
.300in
Matte Tin
e3
93LC66A-I/P
0.486700
0.900000
8
PDIP
.300in
Matte Tin
e3
93LC66A/PRVA
0.486700
0.900000
8
PDIP
.300in
Matte Tin
e3
93LC66A-I/PRVA
0.486700
0.900000
8
PDIP
.300in
Matte Tin
e3
To see a complete listing of RoHS data for this device, please Click here
Shipping Weight = Device Weight + Packing Material weight. Please contact sales office if device weight is not available.

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