Datasheet

93AA66A/B/C, 93LC66A/B/C, 93C66A/B/C
DS21795E-page 4  2003-2011 Microchip Technology Inc.
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): T
A = -40°C to +125°C, VCC = +2.5V to +5.5V
Param.
No.
Symbol Parameter Min Max Units Conditions
A1 F
CLK Clock frequency — 3
2
1
MHz
MHz
MHz
4.5V VCC < 5.5V, 93XX66C only
2.5V V
CC < 5.5V
1.8V V
CC < 2.5V
A2 TCKH Clock high time 200
250
450
—ns
ns
ns
4.5V VCC < 5.5V, 93XX66C only
2.5V V
CC < 5.5V
1.8V V
CC < 2.5V
A3 TCKL Clock low time 100
200
450
—ns
ns
ns
4.5V VCC < 5.5V, 93XX66C only
2.5V V
CC < 5.5V
1.8V V
CC < 2.5V
A4 TCSS Chip Select setup time 50
100
250
—ns
ns
ns
4.5V VCC < 5.5V
2.5V V
CC < 4.5V
1.8V V
CC < 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 T
DIS Data input setup time 50
100
250
—ns
ns
ns
4.5V V
CC < 5.5V, 93XX66C only
2.5V V
CC < 5.5V
1.8V V
CC < 2.5V
A8 T
DIH Data input hold time 50
100
250
—ns
ns
ns
4.5V V
CC < 5.5V, 93XX66C only
2.5V V
CC < 5.5V
1.8V V
CC < 2.5V
A9 T
PD Data output delay time — 200
250
400
ns
ns
ns
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
A10 T
CZ Data output disable time — 100
200
ns
ns
4.5V VCC < 5.5V, (Note 1)
1.8V V
CC < 4.5V, (Note 1)
A11 TSV Status valid time — 200
300
500
ns
ns
ns
4.5V VCC < 5.5V, CL = 100 pF
2.5V V
CC < 4.5V, CL = 100 pF
1.8V V
CC < 2.5V, CL = 100 pF
A12 TWC Program cycle time — 6 ms Erase/Write mode (AA and LC
versions)
A13 T
WC — 2 ms Erase/Write mode
(93C versions)
A14 T
EC — 6 ms ERAL mode, 4.5V VCC 5.5V
A15 TWL — 15 ms WRAL mode, 4.5V VCC 5.5V
A16 — Endurance 1M — cycles 25°C, VCC = 5.0V, (Note 2)
Note 1: This parameter is periodically sampled and not 100% tested.
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.