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参数资料
| 型号： | 93LC66A-I/SM |
| 元件分类： | PROM |
| 英文描述： | 512 X 8 MICROWIRE BUS SERIAL EEPROM, PDSO8 |
| 封装： | 0.208 INCH, PLASTIC, SOIC-8 |
| 文件页数： | 5/12页 |
| 文件大小： | 226K |
| 代理商： | 93LC66A-I/SM |
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
VIH2
0.7 VCC
Vcc +1
V
VCC < 2.7V
Low level input voltage
VIL1-0.3
0.8
V
VIL2
-0.3
0.2 Vcc
V
VCC < 2.7V
Low level output voltage
VOL1
—
0.4
V
IOL = 2.1 A; Vcc = 4.5V
VOL2
—
0.2
V
IOL =100 A; Vcc = Vcc Min.
High level output voltage
VOH12.4
—
VIOH = -400 A; Vcc = 4.5V
VOH2VCC-0.2
—
VIOH = -100 A; Vcc = Vcc Min.
Input leakage current
ILI
-10
10
A
VIN = VSS to VCC
Output leakage current
ILO
-10
10
A
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
A
FCLK = 2 MHz; Vcc = 6.0V
FCLK = 1 MHz; Vcc = 3.0V
ICC write
—
1.5
mA
Standby current
ICCS
—
1
A
CS = Vss; DI = VSS
Clock frequency
FCLK
—
2
1
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
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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