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93LC66A Datasheet(PDF) 2 Page - Microchip Technology

Part No. 93LC66A
Description  4K 2.5V Microwire Serial EEPROM
Download  12 Pages
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Maker  MICROCHIP [Microchip Technology]
Homepage  http://www.microchip.com
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93LC66A Datasheet(HTML) 2 Page - Microchip Technology

 
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93LC66A/B
DS21209C-page 2
 1998 Microchip Technology Inc.
1.0
ELECTRICAL
CHARACTERISTICS
1.1
Maximum Ratings*
Vcc ...................................................................................7.0V
All inputs and outputs w.r.t. Vss ............... -0.6V to Vcc +1.0V
Storage temperature .....................................-65°C to +150°C
Ambient temp. with power applied ................-65°C to +125°C
Soldering temperature of leads (10 seconds) ............. +300°C
ESD protection on all pins................................................4 kV
*Notice: Stresses above those listed under “Maximum ratings” may
cause permanent damage to the device. This is a stress rating only and
functional operation of the device at those or any other conditions
above those indicated in the operational listings of this specification is
not implied. Exposure to maximum rating conditions for extended peri-
ods may affect device reliability.
TABLE 1-1
PIN FUNCTION TABLE
Name
Function
CS
Chip Select
CLK
Serial Data Clock
DI
Serial Data Input
DO
Serial Data Output
VSS
Ground
NC
No Connect
VCC
Power Supply
TABLE 1-2
DC AND AC ELECTRICAL CHARACTERISTICS
All parameters apply over the specified
operating ranges unless otherwise
noted
Commercial (C):
VCC = +2.5V to +6.0V
Tamb = 0°C to +70°C
Industrial (I):
VCC = +2.5V to +6.0V
Tamb = -40°C to +85°C
Parameter
Symbol
Min.
Max.
Units
Conditions
High level input voltage
VIH1
2.0
Vcc +1
V
2.7V
≤ VCC ≤ 6.0V (Note 2)
VIH2
0.7 VCC
Vcc +1
V
VCC < 2.7V
Low level input voltage
VIL1-0.3
0.8
V
VCC > 2.7V (Note 2)
VIL2
-0.3
0.2 Vcc
V
VCC < 2.7V
Low level output voltage
VOL1
0.4
V
IOL = 2.1 µA; Vcc = 4.5V
VOL2
0.2
V
IOL =100 µA; Vcc = Vcc Min.
High level output voltage
VOH12.4
VIOH = -400 µA; Vcc = 4.5V
VOH2VCC-0.2
VIOH = -100 µA; Vcc = Vcc Min.
Input leakage current
ILI
-10
10
µA
VIN = VSS to VCC
Output leakage current
ILO
-10
10
µA
VOUT = VSS to VCC
Pin capacitance
(all inputs/outputs)
CIN, COUT
7pF
VIN/VOUT = 0 V (Notes 1 & 2)
Tamb = +25°C, FCLK = 1 MHz
Operating current
ICC read
1
500
mA
µA
FCLK = 2 MHz; Vcc = 6.0V
FCLK = 1 MHz; Vcc = 3.0V
ICC write
1.5
mA
Standby current
ICCS
1
µA
CS = Vss; DI = VSS
Clock frequency
FCLK
2
1
MHz
MHz
VCC > 4.5V
VCC < 4.5V
Clock high time
TCKH
250
ns
Clock low time
TCKL
250
ns
Chip select setup time
TCSS
50
ns
Relative to CLK
Chip select hold time
TCSH
0
ns
Relative to CLK
Chip select low time
TCSL
250
ns
Data input setup time
TDIS
100
ns
Relative to CLK
Data input hold time
TDIH
100
ns
Relative to CLK
Data output delay time
TPD
400
ns
CL = 100 pF
Data output disable time
TCZ
100
ns
CL = 100 pF (Note 2)
Status valid time
TSV
500
ns
CL = 100 pF
Program cycle time
TWC
6ms
ERASE/WRITE mode
TEC
6
ms
ERAL mode
TWL
15
ms
WRAL mode
Endurance
1M
cycles
25°C, VCC = 5.0V, Block Mode (Note 3)
Note 1:
This parameter is tested at Tamb = 25°C and Fclk = 1 MHz.
2:
This parameter is periodically sampled and not 100% tested.
3:
This application is not tested but guaranteed by characterization. For endurance estimates in a specific application, please consult the Total
Endurance Model which may be obtained on our website.


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