CAT1021, CAT1022, CAT1023
S
T
O
P
BUS ACTIVITY:
MASTER
SLAVE
ADDRESS
DATA n
DATA n+1
DATA n+2
DATA n+x
SDA LINE
P
A
C
K
A
C
K
A
C
K
A
C
K
N
O
A
C
K
Figure 12. Sequential Read Timing
ORDERING INFORMATION
Orderable Part Numbers − CAT1021 Series
(See Notes 1 − 5)
Device
Reset Threshold
4.50 V − 4.75 V
4.25 V − 4.50 V
3.00 V − 3.15 V
2.85 V − 3.00 V
2.55 V − 2.70 V
4.50 V − 4.75 V
4.25 V − 4.50 V
3.00 V − 3.15 V
2.85 V − 3.00 V
2.55 V − 2.70 V
4.50 V − 4.75 V
4.25 V − 4.50 V
3.00 V − 3.15 V
2.85 V − 3.00 V
2.55 V − 2.70 V
4.50 V − 4.75 V
4.25 V − 4.50 V
3.00 V − 3.15 V
2.85 V − 3.00 V
2.55 V − 2.70 V
4.50 V − 4.75 V
4.25 V − 4.50 V
3.00 V − 3.15 V
2.85 V − 3.00 V
2.55 V − 2.70 V
Package
Shipping
CAT1021LI−45−G
CAT1021LI−42−G
CAT1021LI−30−G
PDIP
CAT1021LI−28−G
CAT1021LI−25−G
CAT1021WI−45−GT3
CAT1021WI−42−GT3
CAT1021WI−30−GT3
CAT1021WI−28−GT3
CAT1021WI−25−GT3
CAT1021YI−45−GT3
CAT1021YI−42−GT3
CAT1021YI−30−GT3
CAT1021YI−28−GT3
CAT1021YI−25−GT3
CAT1021ZI−45−GT3
CAT1021ZI−42−GT3
CAT1021ZI−30−GT3
CAT1021ZI−28−GT3
CAT1021ZI−25−GT3
CAT1021ZD4I−45T3*
CAT1021ZD4I−42T3*
CAT1021ZD4I−30T3*
CAT1021ZD4I−28T3*
CAT1021ZD4I−25T3*
SOIC
TSSOP
MSOP
TDFN
3000 Tape & Reel
1. All packages are RoHS−compliant (Lead−free, Halogen−free).
2. The standard lead finish is NiPdAu.
3. For additional package and temperature options, please contact your nearest
ON Semiconductor Sales office.
4. TDFN not available in NiPdAu (–G) version.
5. For detailed information and a breakdown of device nomenclature and numbering
systems, please see the ON Semiconductor Device Nomenclature document,
TND310/D, available at www.onsemi.com
http://onsemi.com
13
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