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| X46402 Datasheet, PDF (17/23 Pages) Xicor Inc. – Dual Voltage CPU Supervisor with 64K Password Protected EEPROM | |||
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X46402
Preliminary Information
Table 4. CAPACITANCE (TA = +25°C, f = 1MHz, VCC = 3V)
Symbol
COUT(3)
CIN(3)
Test
Output Capacitance (SDA)
Input Capacitance (WP, SCL, V2MON)
Max.
8
6
Units
pF
pF
Conditions
VI/O = 0V
VIN = 0V
Notes: (1)
(2)
(3)
Must perform a stop command after a read command prior to measurement
VIL min. and VIH max. are for reference only and are not tested.
This parameter is periodically sampled and not 100% tested.
EQUIVALENT A.C. LOAD CIRCUIT
OUTPUT
3V
1.3Kâ¦
100pF
A.C. TEST CONDITIONS
Input Pulse Levels
Input Rise and Fall Times
Input and Output Timing
Level
Output Load
VCC x 0.1 to VCC x 0.9
10ns
VCC x 0.5
100pF
AC CHARACTERISTICS
AC Specifications (Over the recommended operating conditions)
Symbol
Parameter
Min Typ(1) Max Units
fSCL
SCL Clock Frequency
0
1000 KHz
tIN
Pulse width of spikes which must be suppressed by the input filter 10
ns
tAA
SCL LOW to SDA Data Out Valid
0.05
0.55 µs
tBUF
Time the bus must be free before a new transmit can start
0.5
µs
tLOW
Clock LOW Time
0.6
µs
tHIGH
Clock HIGH Time
0.4
µs
tSU:STA Start Condition Setup Time
0.25
µs
tHD:STA Start Condition Hold Time
0.25
µs
tSU:DAT Data In Setup Time
100
ns
tHD:DAT Data In Hold Time
0
µs
tSU:STO Stop Condition Setup Time
0.25
µs
tDH
Data Output Hold Time
0
100
ns
tR
SDA and SCL Rise Time (10% to 90% of Vcc)
10
100 ns
tF
SDA and SCL Fall Time
10
100 ns
17
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