93C46 Datasheet: 1K Microwire Serial EEPROM





93C46 1K Microwire Serial EEPROM Datasheet

Part Number 93C46
Description 1K Microwire Serial EEPROM
Manufacture Microchip Technology
Total Page 20 Pages
PDF Download Download 93C46 Datasheet PDF

Features: 93AA46, 93LC46, 93C46 93AA46A/B, 93LC46A /B, 93C46A/B 1K Microwire® Serial EEPR OM Device Selection Table Part Number 93AA46 93LC46 93C46 93AA46A 93AA46B 93 LC46A 93LC46B 93C46A 93C46B VCC Range 1.8-5.5 2.5-5.5 4.5-5.5 1.8-5.5 1.8-5-5 2.5-5.5 2.5-5.5 4.5-5.5 4.5-5.5 Org P in Word Size Temp Ranges Yes 8 or 16- bit I Yes 8 or 16-bit I, E Yes 8 or 16-bit I, E No 8-bit I No 16-bit I No 8-bit I, E No 16-bit I, E No 8- bit I, E No 16-bit I, E Features Low power CMOS technology • ORG p in for selectable memory configuration • No org pin for dedicated word size s - 128 x 8-bit organization ‘A’ v ersion devices - 64 x 16-bit organizat ion ‘B’ version devices • Self-t imed ERASE and WRITE cycles (including auto-erase) • Automatic ERAL before WRAL • Power on/off data protection circuitry • Industry standard 3-wire serial I/O • Device status signal d uring ERASE/WRITE cycles • Sequentia l READ function • 1,000,000 E/W cycles • Data retention > 200 years • 8-pin MSOP and 6-.

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93AA46, 93LC46, 93C46
93AA46A/B, 93LC46A/B, 93C46A/B
1K Microwire® Serial EEPROM
Device Selection Table
Part
Number
93AA46
93LC46
93C46
93AA46A
93AA46B
93LC46A
93LC46B
93C46A
93C46B
VCC
Range
1.8-5.5
2.5-5.5
4.5-5.5
1.8-5.5
1.8-5-5
2.5-5.5
2.5-5.5
4.5-5.5
4.5-5.5
Org Pin Word Size
Temp
Ranges
Yes 8 or 16-bit
I
Yes 8 or 16-bit I, E
Yes 8 or 16-bit I, E
No 8-bit
I
No 16-bit
I
No 8-bit
I, E
No 16-bit
I, E
No 8-bit
I, E
No 16-bit
I, E
Features
• Low power CMOS technology
• ORG pin for selectable memory configuration
• No org pin for dedicated word sizes
- 128 x 8-bit organization ‘A’ version devices
- 64 x 16-bit organization ‘B’ version devices
• Self-timed ERASE and WRITE cycles (including
auto-erase)
• Automatic ERAL before WRAL
• Power on/off data protection circuitry
• Industry standard 3-wire serial I/O
• Device status signal during ERASE/WRITE cycles
• Sequential READ function
• 1,000,000 E/W cycles
• Data retention > 200 years
• 8-pin MSOP and 6-pin SOT
• Temperature ranges supported:
- Industrial (I):
-40°C to +85°C
- Automotive (E)
-40°C to +125°C
Package Types
MSOP
CS
CLK
DI
DO
1
2
3
4
8 VCC
7 NU
6 ORG*
5 VSS
* Org pin is not available on A/B devices
Description
The Microchip Technology Inc. 93AA46, 93LC46,
93C46, 93AA46A/B, 93LC46A/B & 93C46A/B are 1K
low voltage serial Electrically Erasable PROMs
(EEPROM). Generic memory devices such as the
93AA46, 93LC46 or 93C46 are dependent upon exter-
nal logic levels driving the ORG pin to set word size.
For dedicated 8-bit communication, the 93AA46A,
93LC46A or 93C46A devices are selected, while the
93AA46B, 93LC46B and 93C46B devices are selected
for 16 bits. Advanced CMOS technology makes these
devices ideal for low power, non-volatile memory
applications. This 93XX Series is available in standard
8-lead MSOP and 6-lead SOT-23 packages.
Block Diagram
VCC VSS
MEMORY
ARRAY
ADDRESS
DECODER
DI
ORG*
CS
DATA REGISTER
MODE
DECODE
LOGIC
ADDRESS
COUNTER
OUTPUT
BUFFER
DO
CLK
CLOCK
REGISTER
* Org input is not available on A/B devices
SOT-23**
DO 1
VSS 2
DI 3
6 VCC
5 CS
4 CLK
** SOT-23 device only offered in A/B versions
2002 Microchip Technology Inc.
DS21749A-page 1

                    
                    






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