93AA46A_05 Datasheet, PDF (4/28 Pages) Microchip Technology – 1K Microwire Compatible Serial EEPROM

93AA46A/B/C, 93LC46A/B/C, 93C46A/B/C
TABLE 1-2: AC CHARACTERISTICS
All parameters apply over the specified
ranges unless otherwise noted.
Industrial (I): TA = -40°C to +85°C, VCC = +1.8V TO +5.5V
Automotive (E): TA = -40°C to +125°C, VCC = +2.5V TO +5.5V
Param.
No.
Symbol
Parameter
Min Max Units
Conditions
A1
FCLK Clock frequency
—
3 MHz 4.5V ≤ VCC < 5.5V, 93XX46C only
2 MHz 2.5V ≤ VCC < 5.5V
1 MHz 1.8V ≤ VCC < 2.5V
A2
TCKH Clock high time
200 —
250
450
ns 4.5V ≤ VCC < 5.5V, 93XX46C only
ns 2.5V ≤ VCC < 5.5V
ns 1.8V ≤ VCC < 2.5V
A3
TCKL Clock low time
100 —
200
450
ns 4.5V ≤ VCC < 5.5V, 93XX46C only
ns 2.5V ≤ VCC < 5.5V
ns 1.8V ≤ VCC < 2.5V
A4
TCSS Chip Select setup time
50
—
ns 4.5V ≤ VCC < 5.5V
100
ns 2.5V ≤ VCC < 4.5V
250
ns 1.8V ≤ VCC < 2.5V
A5
TCSH Chip Select hold time
0
—
ns 1.8V ≤ VCC < 5.5V
A6
TCSL Chip Select low time
250 —
ns 1.8V ≤ VCC < 5.5V
A7
TDIS Data input setup time
50
—
ns 4.5V ≤ VCC < 5.5V, 93XX46C only
100
2.5V ≤ VCC < 5.5V
250
1.8V ≤ VCC < 2.5V
A8
TDIH Data input hold time
50
—
ns 4.5V ≤ VCC < 5.5V, 93XX46C only
100
2.5V ≤ VCC < 5.5V
250
1.8V ≤ VCC < 2.5V
A9
TPD
Data output delay time
— 200 ns 4.5V ≤ VCC < 5.5V, CL = 100 pF
— 250
2.5V ≤ VCC < 4.5V, CL = 100 pF
— 400
1.8V ≤ VCC < 2.5V, CL = 100 pF
A10
TCZ
Data output disable time
— 100 ns 4.5V ≤ VCC < 5.5V, (Note 1)
— 200
1.8V ≤ VCC < 4.5V, (Note 1)
A11
TSV
Status valid time
— 200 ns 4.5V ≤ VCC < 5.5V, CL = 100 pF
300
2.5V ≤ VCC < 4.5V, CL = 100 pF
500
1.8V ≤ VCC < 2.5V, CL = 100 pF
A12
TWC
Program cycle time
—
6
ms Erase/Write mode (AA and LC
versions)
A13
A14
A15
A16
Note 1:
TWC
—
2
ms
TEC
—
6
ms
TWL
—
15
ms
—
Endurance
1M — cycles
This parameter is periodically sampled and not 100% tested.
Erase/Write mode (93C versions)
ERAL mode, 4.5V ≤ VCC ≤ 5.5V
WRAL mode, 4.5V ≤ VCC ≤ 5.5V
25°C, VCC = 5.0V, (Note 2)
2: 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 Microchip’s web site
at www.microchip.com.
DS21749F-page 4
© 2005 Microchip Technology Inc.