X1205V8
| Model | X1205V8 |
| Description | Real Time Clock/Calendar |
| PDF file | Total 22 pages (File size: 408K) |
| Chip Manufacturer | XICOR |
X1205 – Preliminary Information
AC Specifications
(T
A
= -40°C to +85°C, VCC = +2.7V to +5.5V, unless otherwise specified.)
Symbol
f
SCL
t
IN
t
AA
t
BUF
t
LOW
t
HIGH
t
SU:STA
t
HD:STA
t
SU:DAT
t
HD:DAT
t
SU:STO
t
DH
t
R
t
F
Cb
SCL Clock Frequency
Pulse width Suppression Time at inputs
SCL LOW to SDA Data Out Valid
Time the bus must be free before a new transmission can start
Clock LOW Time
Clock HIGH Time
Start Condition Setup Time
Start Condition Hold Time
Data In Setup Time
Data In Hold Time
Stop Condition Setup Time
Data Output Hold Time
SDA and SCL Rise Time
SDA and SCL Fall Time
Capacitive load for each bus line
1.3
1.3
0.6
50
(1)
0.9
Parameter
Min.
Max.
400
Units
kHz
ns
µs
µs
µs
µs
µs
µs
ns
µs
µs
ns
R
IN
A
t
LOW
t
R
t
HD:DAT
t
AA
t
DH
t
HIGH
Y
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0.6
0.6
0
0.6
50
100
20 +.1Cb
(1)(2)
20 +.1Cb
(1)(2)
300
300
400
ns
ns
pF
TIMING DIAGRAMS
Bus Timing
SCL
t
SU:STA
SDA IN
PR
EL
I
t
F
t
SU:DAT
M
Notes:
(1) This parameter is not 100% tested.
(2) Cb = total capacitance of one bus line in pF.
t
HD:STA
t
SU:STO
t
BUF
SDA OUT
REV 1.0.9 8/29/02
Characteristics subject to change without notice.
14 of 22
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X1205V8Z
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