![](http://datasheet.mmic.net.cn/230000/93LC56B_datasheet_15572548/93LC56B_3.png)
2003 Microchip Technology Inc.
DS21794B-page 3
93AA56A/B/C, 93LC56A/B/C, 93C56A/B/C
TABLE 1-2:
AC CHARACTERISTICS
All parameters apply over the specified
ranges unless otherwise noted.
V
CC
= range by device (see Table on Page 1)
Industrial (I):
T
A
= -40°C to +85°C
Automotive (E): T
A
= -40°C to +125°C
Param.
No.
Symbol
Parameter
Min
Max
Units
Conditions
A1
F
CLK
Clock frequency
—
3
2
1
—
MHz
MHz
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ms
4.5V
≤
V
CC
< 5.5V, 93XX56C only
2.5V
≤
V
CC
< 5.5V
1.8V
≤
V
CC
< 2.5V
4.5V
≤
V
CC
< 5.5V, 93XX56C only
2.5V
≤
V
CC
< 5.5V
1.8V
≤
V
CC
< 2.5V
4.5V
≤
V
CC
< 5.5V, 93XX56C only
2.5V
≤
V
CC
< 5.5V
1.8V
≤
V
CC
< 2.5V
4.5V
≤
V
CC
< 5.5V
2.5V
≤
V
CC
< 4.5V
1.8V
≤
V
CC
< 2.5V
1.8V
≤
V
CC
< 5.5V
1.8V
≤
V
CC
< 5.5V
4.5V
≤
V
CC
< 5.5V, 93XX56C only
2.5V
≤
V
CC
< 5.5V
1.8V
≤
V
CC
< 2.5V
4.5V
≤
V
CC
< 5.5V, 93XX56C only
2.5V
≤
V
CC
< 5.5V
1.8V
≤
V
CC
< 2.5V
4.5V
≤
V
CC
< 5.5V, CL = 100 pF
2.5V
≤
V
CC
< 4.5V, CL = 100 pF
1.8V
≤
V
CC
< 2.5V, CL = 100 pF
4.5V
≤
V
CC
< 5.5V,
(Note 1)
1.8V
≤
V
CC
< 4.5V,
(Note 1)
4.5V
≤
V
CC
< 5.5V, CL = 100 pF
2.5V
≤
V
CC
< 4.5V, CL = 100 pF
1.8V
≤
V
CC
< 2.5V, CL = 100 pF
Erase/Write mode (AA and LC
versions)
Erase/Write mode
(93C versions)
ERAL mode, 4.5V
≤
V
CC
≤
5.5V
WRAL mode, 4.5V
≤
V
CC
≤
5.5V
cycles 25°C, V
CC
= 5.0V,
(Note 2)
A2
T
CKH
Clock high time
200
250
450
100
200
450
50
100
250
0
250
50
100
250
50
100
250
—
A3
T
CKL
Clock low time
—
A4
T
CSS
Chip Select setup time
—
A5
A6
A7
T
CSH
T
CSL
T
DIS
Chip Select hold time
Chip Select low time
Data input setup time
—
—
—
A8
T
DIH
Data input hold time
—
A9
T
PD
Data output delay time
200
250
400
100
200
200
300
500
6
A10
T
CZ
Data output disable time
—
A11
T
SV
Status valid time
—
A12
T
WC
Program cycle time
—
A13
T
WC
—
2
ms
A14
A15
A16
Note 1:
T
EC
T
WL
—
This parameter is periodically sampled and not 100% tested.
This application is not tested but ensured by characterization. For endurance estimates in a specific
application, please consult the Total Endurance Model which may be obtained from
www.microchip.com.
—
—
1M
6
ms
ms
15
—
Endurance
2: