CAT1021(2004) Просмотр технического описания (PDF) - Catalyst Semiconductor => Onsemi
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производитель
CAT1021
(Rev.:2004)
(Rev.:2004)
Catalyst Semiconductor => Onsemi
CAT1021 Datasheet PDF : 20 Pages
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CAT1021, CAT1022, CAT1023
CAPACITANCE
TA = 25°C, f = 1.0 MHz, VCC = 5V
Symbol Test
COUT(1) Output Capacitance
CIN(1)
Input Capacitance
Test Conditions
VOUT = 0V
VIN = 0V
Max
8
6
Units
pF
pF
AC CHARACTERISTICS
VCC = 3.0 V to 5.5 V and over the recommended temperature conditions, unless otherwise specified.
Memory Read & Write Cycle(2)
Symbol
Parameter
Min
Max
Units
fSCL
Clock Frequency
tSP
Input Filter Spike
Suppression (SDA, SCL)
400
kHz
100
ns
tLOW
Clock Low Period
1.3
µs
tHIGH
Clock High Period
0.6
µs
t (1)
R
SDA and SCL Rise Time
300
ns
t (1)
F
SDA and SCL Fall Time
300
ns
tHD;STA
Start Condition Hold Time
0.6
µs
tSU;STA
Start Condition Setup Time
(for a Repeated Start)
0.6
µs
tHD;DAT
Data Input Hold Time
0
ns
t
Data Input Setup Time
100
ns
SU;DAT
tSU;STO
Stop Condition Setup Time
0.6
µs
tAA
SCL Low to Data Out Valid
900
ns
tDH
Data Out Hold Time
50
ns
t (1)
BUF
Time the Bus must be Free Before a
New Transmission Can Start
1.3
µs
t (3)
WC
Write Cycle Time (Byte or Page)
5
ms
Notes:
1. This parameter is characterized initially and after a design or process change that affects the parameter. Not 100% tested.
2. Test Conditions according to “AC Test Conditions” table.
3. The write cycle time is the time from a valid stop condition of a write sequence to the end of the internal program/erase cycle. During the
write cycle, the bus interface circuits are disabled, SDA is allowed to remain high and the device does not respond to its slave address.
5
Doc No. 3009, Rev. K
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