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  Microchip Technology Semiconductor Electronic Components Datasheet  

93C46A Datasheet

1K Microwire Compatible Serial EEPROM

No Preview Available !

93C46A pdf
93AA46A/B/C, 93LC46A/B/C,
93C46A/B/C
1K Microwire Compatible Serial EEPROM
Device Selection Table
Part Number
93AA46A
93AA46B
93LC46A
93LC46B
93C46A
93C46B
93AA46C
93LC46C
93C46C
VCC Range
1.8-5.5
1.8-5-5
2.5-5.5
2.5-5.5
4.5-5.5
4.5-5.5
1.8-5.5
2.5-5.5
4.5-5.5
ORG Pin
No
No
No
No
No
No
Yes
Yes
Yes
Features:
• Low-Power CMOS Technology
• ORG Pin to Select Word Size for ‘46C’ Version
• 128 x 8-bit Organization ‘A’ Devices (no ORG)
• 64 x 16-bit Organization ‘B’ Devices (no ORG)
• Self-Timed Erase/Write Cycles (including
Auto-Erase)
• Automatic Erase All (ERAL) Before Write All
(WRAL)
• Power-On/Off Data Protection Circuitry
• Industry Standard 3-Wire Serial I/O
• Device Status Signal (Ready/Busy)
• Sequential Read Function
• 1,000,000 Erase/Write Cycles
• Data Retention > 200 Years
• Pb-free and RoHS Compliant
• Temperature Ranges Supported:
- Industrial (I) -40°C to +85°C
- Automotive (E) -40°C to +125°C
Word Size Temp Ranges
Packages
8-bit
16-bit
8-bit
16-bit
8-bit
16-bit
8- or 16-bit
8- or 16-bit
8- or 16-bit
I P, SN, ST, MS, OT, MC, MN
I P, SN, ST, MS, OT, MC, MN
I, E P, SN, ST, MS, OT, MC, MN
I, E P, SN, ST, MS, OT, MC, MN
I, E P, SN, ST, MS, OT, MC, MN
I, E P, SN, ST, MS, OT, MC, MN
I P, SN, ST, MS, MC, MN
I, E P, SN, ST, MS, MC, MN
I, E P, SN, ST, MS, MC, MN
Pin Function Table
Name
Function
CS
CLK
DI
DO
VSS
NC
ORG
VCC
Chip Select
Serial Data Clock
Serial Data Input
Serial Data Output
Ground
No internal connection
Memory Configuration
Power Supply
Description:
The Microchip Technology Inc. 93XX46A/B/C devices
are 1Kbit low-voltage serial Electrically Erasable
PROMs (EEPROM). Word-selectable devices such as
the 93AA46C, 93LC46C or 93C46C are dependent
upon external logic levels driving the ORG pin to set
word size. For dedicated 8-bit communication, the
93AA46A, 93LC46A or 93C46A devices are available,
while the 93AA46B, 93LC46B and 93C46B devices
provide dedicated 16-bit communication. Advanced
CMOS technology makes these devices ideal for low-
power, nonvolatile memory applications. The entire
93XX Series is available in standard packages includ-
ing 8-lead PDIP and SOIC, and advanced packaging
including 8-lead MSOP, 6-lead SOT-23, 8-lead
2x3 DFN/TDFN and 8-lead TSSOP. All packages are
Pb-free (Matte Tin) finish.
2002-2011 Microchip Technology Inc.
DS21749J-page 1



  Microchip Technology Semiconductor Electronic Components Datasheet  

93C46A Datasheet

1K Microwire Compatible Serial EEPROM

No Preview Available !

93C46A pdf
93AA46A/B/C, 93LC46A/B/C, 93C46A/B/C
Package Types (not to scale)
ROTATED SOIC
(ex: 93LC46BX)
NC 1
VCC 2
CS 3
CLK 4
8 ORG*
7 VSS
6 DO
5 DI
PDIP/SOIC
(P, SN)
CS
CLK
DI
DO
1
2
3
4
8 VCC
7 NC
6 ORG*
5 VSS
TSSOP/MSOP
(ST, MS)
CS
CLK
DI
DO
1
2
3
4
8
7
6
5
VCC
NC
ORG*
VSS
SOT-23
(OT)
DO 1
VSS 2
DI 3
6 VCC
5 CS
4 CLK
DFN/TDFN
(MC, MN)
CS 1
CLK 2
DI 3
DO 4
8 VCC
7 NC
6 ORG*
5 VSS
*ORG pin is NC on A/B devices
DS21749J-page 2
2002-2011 Microchip Technology Inc.



  Microchip Technology Semiconductor Electronic Components Datasheet  

93C46A Datasheet

1K Microwire Compatible Serial EEPROM

No Preview Available !

93C46A pdf
93AA46A/B/C, 93LC46A/B/C, 93C46A/B/C
1.0 ELECTRICAL CHARACTERISTICS
Absolute Maximum Ratings(†)
VCC............................................................................................................................................................................. 7.0V
All inputs and outputs w.r.t. VSS ..........................................................................................................-0.6V to VCC +1.0V
Storage temperature ...............................................................................................................................-65°C to +150°C
Ambient temperature with power applied................................................................................................-40°C to +125°C
ESD protection on all pins  4 kV
† NOTICE: Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to
the device. This is a stress rating only and functional operation of the device at those or any other conditions
above those indicated in the operational listings of this specification is not implied. Exposure to maximum rating
conditions for extended periods may affect device reliability.
TABLE 1-1: DC CHARACTERISTICS
All parameters apply over the specified
ranges unless otherwise noted.
Industrial (I): TA = -40°C to +85°C, VCC = +1.8V TO +5.5V
Automotive (E): TA = -40°C to +125°C, VCC = +2.5V TO +5.5V
Param.
No.
Symbol
Parameter
Min. Typ Max. Units
Conditions
D1 VIH1 High-level input voltage
2.0 — VCC +1 V VCC 2.7V
VIH2
0.7 VCC — VCC +1 V VCC 2.7V
D2 VIL1 Low-level input voltage
VIL2
-0.3 — 0.8
V VCC 2.7V
-0.3 — 0.2 VCC V VCC 2.7V
D3 VOL1 Low-level output voltage — — 0.4 V IOL = 2.1 mA, VCC = 4.5V
VOL2
— — 0.2 V IOL = 100 A, VCC = 2.5V
D4
VOH1 High-level output voltage
2.4 — —
V IOH = -400 A, VCC = 4.5V
VOH2
VCC - 0.2 —
V IOH = -100 A, VCC = 2.5V
D5 ILI Input leakage current
— — ±1 A VIN = VSS or VCC
D6 ILO Output leakage current
— — ±1 A VOUT = VSS or VCC
D7 CIN, Pin capacitance
COUT (all inputs/outputs)
— — 7 pF VIN/VOUT = 0V (Note 1)
TA = 25°C, FCLK = 1 MHz
D8 ICC Write current
write
— — 2 mA FCLK = 3 MHz, VCC = 5.5V
— 500 — A FCLK = 2 MHz, VCC = 2.5V
D9 ICC read Read current
— — 1 mA FCLK = 3 MHz, VCC = 5.5V
— — 500 A FCLK = 2 MHz, VCC = 3.0V
— 100 — A FCLK = 2 MHz, VCC = 2.5V
D10
ICCS
Standby current
— — 1 A I-Temp
— — 5 A E-Temp
CLK = CS = 0V
ORG = DI = VSS or VCC
(Note 2) (Note 3)
D11 VPOR VCC voltage detect
— 1.5 —
— 3.8 —
(Note 1)
V 93AA46A/B/C, 93LC46A/B/C
V 93C46A/B/C
Note 1: This parameter is periodically sampled and not 100% tested.
2: ORG pin not available on ‘A’ or ‘B’ versions.
3: Ready/Busy status must be cleared from DO; see Section 3.4 “Data Out (DO)”.
2002-2011 Microchip Technology Inc.
DS21749J-page 3




Part Number 93C46A
Description 1K Microwire Compatible Serial EEPROM
Maker Microchip
Total Page 30 Pages
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