X5643 INTERSIL [Intersil Corporation], X5643 Datasheet - Page 12

• Manufacturer Part Number: X5643
• Description: CPU Supervisor with 64Kbit SPI EEPROM
• Manufacturer: INTERSIL [Intersil Corporation]

Serial Input Timing
Serial Output Timing
Notes: (3) This parameter is periodically sampled and not 100% tested.
Serial Output Timing
Symbol
t
t
f
RO
FO
t
t
SCK
SCK
(4) t
SCK
DIS
HO
t
SO
CS
SO
CS
V
(3)
(3)
SI
SI
write cycle.
WC
is the time from the rising edge of CS after a valid write sequence has been sent to the end of the self-timed internal nonvolatile
LSB IN
ADDR
Clock frequency
Output disable time
Output valid from clock low
Output hold time
Output rise time
Output fall time
t
SU
High Impedance
MSB IN
12
MSB Out
t
LEAD
t
V
t
H
t
CYC
MSB–1 Out
Parameter
X5643, X5645
t
HO
t
RI
t
WH
t
WL
Min.
t
FI
0
0
LSB IN
LSB Out
2.7-5.5V
t
CS
Max.
250
250
100
100
2
t
LAG
t
t
DIS
LAG
Unit
MHz
ns
ns
ns
ns
ns
July 18, 2005
FN8135.1