X5163S8IZT1 Datasheet, PDF (13/22 Pages) Intersil Corporation – Selectable watchdog timer

X5163, X5165
5V
5V
1.64k
OUTPUT
1.64k
RESET/RESET
100pF
3.3k
30pF
A.C. Test Conditions
Input pulse levels
Input rise and fall times
Input and output timing level
V_CC x 0.1 to V_CC x 0.9
10ns
V_CC x0.5
FIGURE 10. EQUIVALENT A.C. LOAD CIRCUIT AT 5V V_CC
AC Electrical Specifications Serial Input Timing (Over operating conditions unless otherwise specified.)
2.7-5.5V
SYMBOL
PARAMETER
MIN
MAX
f_SCK
t_CYC
t_LEAD
t_LAG
t_WH
t_WL
t_SU
t_H
t_RI(3)
t_FI(3)
t_CS
t_WC(4)
Clock Frequency
Cycle Time
CS Lead Time
CS Lag Time
Clock HIGH Time
Clock LOW Time
Data Setup Time
Data Hold Time
Input Rise Time
Input Fall Time
CS Deselect Time
Write Cycle Time
0
2
500
250
250
200
200
50
50
100
100
500
10
CS
SCK
SI
t_LEAD
t_SU
t_H
MSB IN
t_CS
t_LAG
t_RI
t_FI
LSB IN
UNIT
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ms
HIGH IMPEDANCE
SO
FIGURE 11. SERIAL INPUT TIMING
Submit Document Feedback 13
FN8128.4
August 13, 2015