X5645 XICOR [Xicor Inc.], X5645 Datasheet - Page 12

• Manufacturer Part Number: X5645
• Description: CPU Supervisor with 64Kbit SPI EEPROM
• Manufacturer: XICOR [Xicor Inc.]

X5643/X5645
Serial Input Timing
Serial Output Timing
Notes: (3) This parameter is periodically sampled and not 100% tested.
Serial Output Timing
REV 1.1.1 3/5/01
Symbol
t
t
f
RO
FO
t
t
SCK
(4) t
SCK
SCK
DIS
HO
t
SO
V
CS
SO
CS
(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
MSB Out
t
LEAD
t
V
t
H
t
Parameter
CYC
MSB–1 Out
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t
HO
t
RI
t
WH
t
WL
Characteristics subject to change without notice.
Min.
0
0
t
FI
2.7–5.5V
LSB IN
LSB Out
t
CS
Max.
250
250
100
100
2
t
LAG
t
t
DIS
LAG
Unit
MHz
ns
ns
ns
ns
ns
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