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93C46A Datasheet

  • 93C46A

  • 1K Microwire Compatible Serial EEPROM

  • 1002.23KB

  • 34页

  • Microchip

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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
V
CC
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
Word Size
8-bit
16-bit
8-bit
16-bit
8-bit
16-bit
8 or 16-bit
8 or 16-bit
8 or 16-bit
Temp Ranges
I
I
I, E
I, E
I, E
I, E
I
I, E
I, E
Packages
P, SN, ST, MS, OT
P, SN, ST, MS, OT
P, SN, ST, MS, OT
P, SN, ST, MS, OT
P, SN, ST, MS, OT
P, SN, ST, MS, OT
P, SN, ST, MS
P, SN, ST, MS
P, SN, ST, MS
Features
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Low-power CMOS technology
ORG pin to select word size for 鈥?6C version
128 x 8-bit organization 鈥楢鈥?ver. devices (no ORG)
64 x 16-bit organization 鈥楤鈥?ver. devices (no ORG)
Self-timed ERASE/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 (READY/BUSY)
Sequential READ function
1,000,000 E/W cycles
Data retention > 200 years
Temperature ranges supported
- Industrial (I)
- Automotive (E)
-40掳C to +85掳C
-40掳C to +125掳C
Description
The Microchip Technology Inc. 93XX46A/B/C devices
are 1K bit 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, and 8-lead
TSSOP. Pb-free (Pure Matte Sn) finish is also
available.
Package Types (not to scale)
ROTATED SOIC
(ex: 93LC46BX)
PDIP/SOIC
(P, SN)
CS
CLK
DI
DO
1
2
3
4
8
7
6
5
V
CC
NC
ORG*
V
SS
Pin Function Table
Name
CS
CLK
DI
DO
V
SS
NC
ORG
V
CC
Function
Chip Select
Serial Data Clock
Serial Data Input
Serial Data Output
Ground
No internal connection
Memory Configuration
Power Supply
CS
CLK
DI
DO
NC
V
CC
CS
CLK
1
2
3
4
8
7
6
5
ORG*
V
SS
DO
DI
TSSOP/MSOP
(ST, MS)
1
2
3
4
8
7
6
5
V
CC
NC
ORG*
V
SS
DO
V
SS
DI
SOT-23
(OT)
1
2
3
6
5
4
V
CC
CS
CLK
* ORG pin is NC on A/B devices
铮?/div>
2003 Microchip Technology Inc.
DS21749D-page 1

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