93LC46-ISL MICROCHIP [Microchip Technology], 93LC46-ISL Datasheet
93LC46-ISL
Manufacturer Part Number
93LC46-ISL
Description
1K/2K/4K 2.0V Microwire Serial EEPROM
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet
1.93LC46-ISL.pdf
(12 pages)
FEATURES
• Single supply with programming operation down
• Low power CMOS technology
• ORG pin selectable memory configuration
• Self-timed ERASE and WRITE cycles
• 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
• 10,000,000 ERASE/WRITE cycles guaranteed on
• 1,000,000 E/W cycles guaranteed on 93LC46
• Data retention > 200 years
• 8-pin PDIP/SOIC and 14-pin SOIC package
• Temperature ranges supported
PACKAGE TYPES
M
CLK
DO
CS
to 2.0V (Commercial only)
- 1 mA active current typical
- 5 A standby current (typical) at 3.0V
- 128 x 8 or 64 x 16-bit organization (93LC46)
- 256 x 8 or 128 x 16-bit organization(93LC56)
- 512 x 8 or 256 x 16-bit organization(93LC66)
(including auto-erase)
93LC56 and 93LC66
(SOIC in JEDEC and EIAJ standards)
- Commercial (C):
- Industrial (I):
1997 Microchip Technology Inc.
DI
1
2
3
4
DIP
1K/2K/4K 2.0V Microwire
8
7
6
5
V
NU
ORG
V
CC
SS
-40 C to
0 C to
CLK
DO
CS
DI
1
2
4
3
+70 C
+85 C
SOIC
8
7
6
5
V
NU
ORG
V
CC
SS
CLK
V
93LC46/56/66
NU
CS
CC
BLOCK DIAGRAM
DESCRIPTION
The Microchip Technology Inc. 93LC46/56/66 are 1K,
2K, and 4K low-voltage serial Electrically Erasable
PROMs. The device memory is configured as x8 or x16
bits, depending on the ORG pin setup. Advanced
CMOS technology makes these devices ideal for
low-power, nonvolatile memory applications. The
93LC46/56/66 is available in standard 8-pin DIP and 8/
14-pin surface mount SOIC packages. The 93LC46X/
56X/66X are only offered in an “SN” package.
CLK
CS
DI
®
1
2
4
3
Serial EEPROM
SOIC
DATA REGISTER
GENERATOR
V
CC
MEMORY
DECODE
ARRAY
CLOCK
LOGIC
MODE
8
7
6
5
V
SS
ORG
V
DO
DI
SS
CLK
NC
NC
NC
CS
DO
DI
DECODER
COUNTER
ADDRESS
ADDRESS
1
2
4
6
3
5
7
SOIC
DS11168L-page 1
OUTPUT
BUFFER
14
13
12
11
10
9
8
V
NC
ORG
Vcc
NC
NU
NC
SS
DO
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