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93LC46 数据表(PDF) 3 Page - Microchip Technology

部件名 93LC46
功能描述  1K/2K/4K 2.5V Microwire Serial EEPROM
PDF  20 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

93LC46 数据表(HTML) 3 Page - Microchip Technology

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 2002-2012 Microchip Technology Inc.
DS21712C-page 3
93LC46/56/66
AC CHARACTERISTICS
FIGURE 1-1:
SYNCHRONOUS DATA TIMING
AC CHARACTERISTICS
VCC = +2.5V to +5.5V
Industrial (I): TA = -40°C to +85°C
Param.
No.
Sym
Characteristic
Min
Typ
Max
Units
Conditions
1FCLK
Clock frequency
2
1
MHz
MHz
VCC
 4.5V
VCC
 4.5V
2TCKH
Clock high time
250
ns
3TCKL
Clock low time
250
ns
4TCSS
Chip select setup time
50
ns
Relative to CLK
5TCSH
Chip select hold time
0
ns
Relative to CLK
6TCSL
Chip select low time
250
ns
7TDIS
Data input setup time
100
ns
Relative to CLK
8TDIH
Data input hold time
100
ns
Relative to CLK
9TPD
Data output delay time
400
ns
CL = 100 pF
10
TCZ
Data output disable time
100
ns
CL = 100 pf (Note 2)
11
TSV
Status valid time
500
ns
CL = 100 pF
12
TWC
Program cycle time
4
10
ms
Erase/Write mode
13
TEC
8
15
ms
ERAL mode (VCC=5V ±10%)
14
TWL
16
30
ms
WRAL mode (VCC=5V ±10%)
15
Endurance
1M
1M
cycles
25°C, VCC = 5.0V, Block
mode (Note 3)
Note 1:
This parameter is tested at TA = 25°C and FCLK = 1 MHz.
2:
This parameter is periodically sampled and not 100% tested.
3:
This parameter is not tested but ensured by characterization. For endurance estimates in a specific
application, please consult the Total EnduranceModel which can be obtained from Microchip’s web site
at: www.microchip.com.
CS
VIH
VIL
VIH
VIL
VIH
VIL
VOH
VOL
VOH
VOL
CLK
DI
DO
(Read)
DO
(Write)
4
7
2
3
8
9
5
9
10
Status Valid
11
10



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