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Numéro de référence | 95SQ015TR | ||
Description | SCHOTTKY RECTIFIER 9 Amp | ||
Fabricant | International Rectifier | ||
Logo | |||
1 Page
93LCS56/66
2K/4K 2.5V Microwire® Serial EEPROM with Software Write Protect
FEATURES
• Single supply with programming operation down
to 2.5V
• Low power CMOS technology
- 1 mA active current typical
- 5 µA standby current (typical) at 3.0V
• x16 memory organization
- 128x16 (93LCS56)
- 256x16 (93LCS66)
• Software write protection of user defined memory
space
• Self timed erase and write cycles
• Automatic ERAL before WRAL
• Power on/off data protection
• Industry standard 3-wire serial I/O
• Device status signal during E/W
• Sequential READ function
• 1,000,000 E/W cycles guaranteed
• Data retention > 200 years
• 8-pin PDIP/SOIC and 14-pin SOIC packages
• Temperature ranges supported
- Commercial (C):
- Industrial (I):
0˚C to +70˚C
-40˚C to +85˚C
BLOCK DIAGRAM
VCC
V SS
MEMORY
ARRAY
ADDRESS
DECODER
DI
PRE
PE
CS
DATA REGISTER
MODE
DECODE
LOGIC
ADDRESS
COUNTER
OUTPUT
BUFFER
DO
CLOCK
CLK GENERATOR
DESCRIPTION
The Microchip Technology Inc. 93LCS56/66 are low volt-
age Serial Electrically Erasable PROMs with memory
capacities of 2K bits/4K bits respectively. A write protect
register is included in order to provide a user defined
region of write protected memory. All memory locations
greater than or equal to the address placed in the write
protect register will be protected from any attempted write
or erase operation. It is also possible to protect the
address in the write protect register permanently by using
a one time only instruction (PRDS). Any attempt to alter
data in a register whose address is equal to or greater
than the address stored in the protect register will be
aborted. Advanced CMOS technology makes this device
ideal for low power non-volatile memory applications.
PACKAGE TYPES
CS
CLK
DI
DO
DIP
18
27
36
45
93LCS56
93LCS66
VCC
PRE
PE
VSS
CS
CLK
DI
DO
SOIC
18
27
36
45
93LCS56
93LCS66
VCC
PRE
PE
VSS
SOIC
NC 1
CS 2
CLK 3
NC 4
DI 5
DO 6
NC 7
14 NC
13 VCC
12 PRE
11 NC
10 PE
9 VSS
8 NC
93LCS56
93LCS66
Microwire is a registered trademark of National Semiconductor Incorporated.
© 1996 Microchip Technology Inc.
Preliminary
DS11181D-page 1
This document was created with FrameMaker 4 0 4
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Pages | Pages 12 | ||
Télécharger | [ 95SQ015TR ] |
No | Description détaillée | Fabricant |
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