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SERIAL MEMORY PRODUCTS
Write
Protect
Product
Serial SRAM
Special/Unique Features
Packages
23X640
23X256
23XX512
23XX1024
R
R
R
R
64 Kb
256 Kb
512 Kb
1024 Kb
×8
×8
×8
×8
20 MHz
20 MHz
20 × 4
MHz
20 × 4
MHz
1.5V–1.95V
2.7V–3.6V
1.5V–1.95V
2.7V–3.6V
1.7V–2.2V
2.5V–5.5V
1.7V–2.2V
2.5V–5.5V
? 40°C to +125°C
?40°C to +125°C
?40°C to +125°C
?40°C to +125°C
∞
∞
∞
∞
Volatile
Volatile
Volatile
Volatile
0 ms
0 ms
0 ms
0 ms
4 μA
4 μA
4 μA
4 μA
–
–
–
–
–
–
–
–
–
–
–
–
$0.51
$0.87
$1.24
$1.73
Zero write cycle time, Infinite endurance, Volatile RAM, Byte/page/
sequential read-write modes
Zero write cycle time, Infinite endurance, Volatile RAM, Byte/page/
sequential read-write modes
Fast Speed: Quad SPI available (80 MHz); Infinite endurance; Zero
write times, 5V capable
Fast Speed: Quad SPI available (80 MHz); Infinite endurance; Zero
write times, 5V capable
PDIP (P), SOIC (SN), TSSOP (ST)
PDIP (P), SOIC (SN), TSSOP (ST)
SOIC (SN), PDIP (P), TSSOP (ST)
SOIC (SN), PDIP (P), TSSOP (ST)
Serial NVSRAM
23LCV512
23LCV1024
R
R
512 Kb
1024 Kb
×8
×8
20 MHz
20 MHz
–
–
?40°C to +125°C
?40°C to +125°C
∞
∞
20 Years
via battery
20 Years
via battery
0 ms
0 ms
4 μA
4 μA
–
–
–
–
–
–
$1.40
$1.98
Battery backed non-volatile SRAM; Infinite endurance; Zero write times
Battery backed non-volatile SRAM; Infinite endurance; Zero write times
SOIC (SN), PDIP (P), TSSOP (ST)
SOIC (SN), PDIP (P), TSSOP (ST)
Serial EEPROM
11XX010
11XX020/E48
11XX040
11XX080
11XX160
24XX00
24XX01/014
24XX02/024/E48
34XX02
24XX00
24XX01/014
24XX02/024/E48
34XX02
24XX04
24XX08
24XX16
24XX32A
24XX64/65
24XX128
24XX256
24XX512
24XX1025/26
24XX1024
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
NR
1 Kb
2 Kb
4 Kb
8 Kb
16 Kb
128 b
1 Kb
2 Kb
2 Kb
128 b
1 Kb
2 Kb
2 Kb
4 Kb
8 Kb
16 Kb
32 Kb
64 Kb
128 Kb
256 Kb
512 Kb
1 Mb
1 Mb
×8
×8
×8
×8
×8
×8
×8
×8
×8
×8
×8
×8
×8
×8
×8
×8
×8
×8
×8
×8
×8
×8
×8
100 kHz
100 kHz
100 kHz
100 kHz
100 kHz
400 kHz
400 kHz
400 kHz
1 MHz
400 kHz
400 kHz
400 kHz
1 MHz
400 kHz
400 kHz
400 kHz
400 kHz
1 MHz
1 MHz
1 MHz
1 MHz
1 MHz
1 MHz
1.8V–5.5V
1.8V–5.5V
1.8V–5.5V
1.8V–5.5V
1.8V–5.5V
1.7V–5.5V
1.7V–5.5V
1.5V–3.6V
1.7V–5.5V
1.5V–3.6V
1.7V–5.5V
1.5V–3.6V
1.7V–5.5V
1.7V–5.5V
1.5V–3.6V
1.7V–5.5V
1.5V–3.6V
1.7V–5.5V
1.5V–3.6V
1.7V–5.5V
1.7V–5.5V
1.7V–5.5V
1.7V–5.5V
1.7V–5.5V
1.7V–5.5V
1.7V–5.5V
1.7V–5.5V
1.7V–5.5V
2.5V–5.5V
?40°C to +125°C
?40°C to +125°C
?40°C to +125°C
?40°C to +125°C
?40°C to +125°C
?40°C to +125°C
?40°C to +150°C
?40°C to +125°C
?40°C to +125°C
?40°C to +125°C
?40°C to +150°C
?40°C to +125°C
?40°C to +125°C
?40°C to +125°C
?40°C to +125°C
?40°C to +125°C
?40°C to +125°C
?40°C to +125°C
?40°C to +125°C
?40°C to +125°C
?40°C to +125°C
?40°C to +125°C
?40°C to +125°C
1M
1M
1M
1M
1M
1M
1M
1M
1M
1M
1M
1M
1M
1M
1M
1M
1M
1M,
10M
1M
1M
1M
1M
1M
200 Years
200 Years
200 Years
200 Years
200 Years
200 Years
200 Years
200 Years
200 Years
200 Years
200 Years
200 Years
200 Years
200 Years
200 Years
200 Years
200 Years
200 Years
200 Years
200 Years
200 Years
200 Years
200 Years
5 ms
5 ms
5 ms
5 ms
5 ms
4 ms
5 ms
5 ms
5 ms
4 ms
5 ms
5 ms
5 ms
5 ms
5 ms
5 ms
5 ms
5 ms
5 ms
5 ms
5 ms
5 ms
5 ms
1 μA
1 μA
1 μA
1 μA
1 μA
1 μA
1 μA
1 μA
1 μA
1 μA
1 μA
1 μA
1 μA
1 μA
1 μA
1 μA
1 μA
1 μA
1 μA
1 μA
1 μA
5 μA
5 μA
–
–
–
–
–
–
ü
ü
ü
–
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
–
–
–
ü
–
–
–
ü
–
–
–
–
–
–
–
–
–
–
W, ?, ?
W, ?, ?
W, ?, ?
W, ?, ?
W, ?, ?
–
W, ?
W, ?
W, ?
–
W, ?
W, ?
W, ?
W, ?
W, ?
W, ?
W, ?
W, ?
W
W
W
W
W
$0.23
$0.25
$0.26
$0.30
$0.33
$0.17
$0.18
$0.20
$0.18
$0.17
$0.18
$0.20
$0.18
$0.21
$0.23
$0.25
$0.31
$0.38
$0.54
$0.83
$1.50
$3.14
–
Single I/O for all clock, data, control and write protection
Single I/O for all clock, data, control and write protection,
Unique EUI-48?/EUI-64?, MAC address option available
Single I/O for all clock, data, control and write protection
Single I/O for all clock, data, control and write protection
Single I/O for all clock, data, control and write protection
100 KHz operation from 1.7V to 4.5V
Address pin option: connect up to 8 devices on bus,
Very low voltage option
Address pin option – connect up to 8 devices on bus, Very low voltage
option, Unique EUI-48/EUI-64 MAC address option available
1 MHz @ 2.5V, Permanent and restable software WP – DIMM-DDR2/3
100 KHz operation from 1.7V to 4.5V
Address pin option: connect up to 8 devices on bus,
Very low voltage option
Address pin option: connect up to 8 devices on bus, Very low voltage
option, Unique EUI-48/EUI-64 MAC address option available
1 MHz @ 2.5V, Permanent and restable software WP – DIMM-DDR2/3
400 KHz @ 2.5V, 16 byte page write buffer, No address pins
400 KHz @ 2.5V, 16 byte page write buffer, No address pins
400 KHz @ 2.5V, 16 byte page write buffer, No address pins
400 KHz @ 2.5V, 32 byte page write buffer, connect up to 8 devices
on bus
1 MHz @ 2.5V, 32/64 byte page, Relocatable 4 Kb block with 10M
cycles endurance
1 MHz @ 2.5V, 64 byte page, Connect up to 8 devices on bus
1 MHz @ 2.5V, 64 byte page, Connect up to 8 devices on bus
1 MHz @ 2.5V, 128 byte page, Connect up to 8 devices on bus
1 MHz @ 2.5V, 128 byte page, Connect up to 4 devices on bus
1 MHz @ 2.5V, 256 byte page,Connect up to 4 devices on bus
PDIP (P), SOIC (SN), MSOP (MNY), DFN (MC), TO-92 (TO), 3-SOT-23 (TT), WLCSP (CS)
PDIP (P), SOIC (SN), MSOP (MNY), DFN (MC), TO-92 (TO), 3-SOT-23 (TT), WLCSP (CS)
PDIP (P), SOIC (SN), MSOP (MNY), DFN (MC), TO-92 (TO), 3-SOT-23 (TT), WLCSP (CS)
PDIP (P), SOIC (SN), MSOP (MNY), DFN (MC), TO-92 (TO), 3-SOT-23 (TT), WLCSP (CS)
PDIP (P), SOIC (SN), MSOP (MNY), DFN (MC), TO-92 (TO), 3-SOT-23 (TT), WLCSP (CS)
PDIP (P), SOIC (SN), TSSOP (ST), DFN (MC), 5-SOT-23 (OT)
PDIP (P), SOIC (SN), TSSOP (ST), MSOP (MNY), DFN (MC), 5-SOT-23 (OT), SC70 (LT)
PDIP (P), SOIC (SN), TSSOP (ST), MSOP (MNY), DFN (MC), 5-SOT-23 (OT), SC70 (LT)
PDIP (P), SOIC (SN), TSSOP (ST), MSOP (MS), DFN (MNY), 6-SOT-23 (OT),
PDIP (P), SOIC (SN), TSSOP (ST), DFN (MC), 5-SOT-23 (OT)
PDIP (P), SOIC (SN), TSSOP (ST), MSOP (MNY), DFN (MC), 5-SOT-23 (OT), SC70 (LT)
PDIP (P), SOIC (SN), TSSOP (ST), MSOP (MNY), DFN (MC), 5-SOT-23 (OT), SC70 (LT)
PDIP (P), SOIC (SN), TSSOP (ST), MSOP (MS), DFN (MNY), 6-SOT-23 (OT)
PDIP (P), SOIC (SN), TSSOP (ST), MSOP (MNY), DFN (MC), 5-SOT-23 (OT), WLCSP (CS)
PDIP (P), SOIC (SN), TSSOP (ST), MSOP (MS), DFN (MNY), 5-SOT-23 (OT),
PDIP (P), SOIC (SN), TSSOP (ST), MSOP (MNY), DFN (MC), 5-SOT-23 (OT), WLCSP (CS)
PDIP (P), SOIC (SN), TSSOP (ST), MSOP (MNY), DFN (MC), 5-SOT-23 (OT), WLCSP (CS)
PDIP (P), SOIC (SN), TSSOP (ST), MSOP (MNY), DFN (MC), 5-SOT-23 (OT), WLCSP (CS)
PDIP (P), SOIC (SN), TSSOP (ST), MSOP (MNY), DFN (MC), WLCSP (CS)
PDIP (P), SOIC (SN), TSSOP (ST), SOIJ (SM), MSOP (MS), DFN (MF), WLCSP (CS)
PDIP (P), SOIC (SN), TSSOP (ST), DFN (MF), SOIJ (SM), WLCSP (CS)
PDIP (P), SOIC (SN), SOIJ (SM)
PDIP (P), SOIC (SN), TSSOP (ST), DFN (MF), SOIJ (SM)
1: All devices are Pb-Free and RoHS compliant.
2: ESD protection > 4kV (HBM); > 400V (MM) on all pins.
3: Write Protect (WP); W = Whole Array, ? = Half Array, ? Quarter Array.
4: Factory program and unique ID options available.
5: Die and wafer options available on all devices.
? Pricing subject to change; please contact your Microchip representative for most current pricing.
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