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12
FN8162.4
July 9, 2008
Equivalent A.C. Load Circuit
RH
10pF
CL
RW
RTOTAL
CW
25pF
10pF
RL
SPICE MACROMODEL
5V
1533
Ω
100pF
SDA OUTPUT
3V
867
Ω
100pF
SDA OUTPUT
AC Timing High-Voltage Write Cycle Timing
PARAMETER
SYMBOL
MIN
MAX
UNITS
Clock Frequency
fSCL
400
kHz
Clock Cycle Time
tCYC
2500
ns
Clock High Time
tHIGH
600
ns
Clock Low Time
tLOW
1300
ns
Start Setup Time
tSU:STA
600
ns
Start Hold Time
tHD:STA
600
ns
Stop Setup Time
tSU:STO
600
ns
SDA Data Input Setup Time
tSU:DAT
100
ns
SDA Data Input Hold Time
tHD:DAT
0ns
SCL and SDA Rise Time
tR
300
ns
SCL and SDA Fall Time
tF
300
ns
SCL Low to SDA Data Output Valid Time
tAA
250
ns
SDA Data Output Hold Time
tDH
0ns
Noise Suppression Time Constant at SCL and SDA Inputs
TI
50
ns
Bus Free Time (Prior to Any Transmission)
tBUF
1300
ns
A0, A1, A2 Setup Time
tSU:WPA
0ns
A0, A1, A2 Hold Time
tHD:WPA
0ns
High-Voltage Write Cycle Timing
PARAMETER
SYMBOL
TYP
MAX
UNITS
High-Voltage Write CycleTime (Store Instructions)
tWR
510
ms
XDCP Timing
PARAMETER
SYMBOL
MIN
MAX
UNITS
Wiper Response Time After theThird (Last) Power Supply is Stable
tWRPO
510
s
WiperResponse Time After Instruction Issued (All Load
Instructions)
tWRL
510
s
X9119