X5645 XICOR [Xicor Inc.], X5645 Datasheet - Page 11

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

X5643/X5645
CAPACITANCE T
Notes: (1) V
EQUIVALENT A.C. LOAD CIRCUIT AT 5V V
A.C. CHARACTERISTICS (Over recommended operating conditions, unless otherwise specified)
Serial Input Timing
REV 1.1.1 3/5/01
Symbol
C
C
Output
Symbol
OUT
t
t
IN
f
t
LEAD
t
t
t
WC
t
3.03KΩ
CYC
t
SCK
LAG
t
RI
t
FI
(2) This parameter is periodically sampled and not 100% tested.
WH
WL
SU
CS
t
(2)
H
(3)
(2)
(3)
(4)
IL
min. and V
Output Capacitance (SO, RESET/RESET)
Input Capacitance (SCK, SI, CS, WP)
5V
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
2.06KΩ
A
= +25°C, f = 1MHz, V
IH
max. are for reference only and are not tested.
100pF
RESET/RESET
Test
Parameter
CC
5V
= 5V
CC
4.6KΩ
30pF
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A.C. TEST CONDITIONS
Input pulse levels
Input rise and fall times
Input and output timing level
Max.
8
6
Characteristics subject to change without notice.
Min.
500
250
250
200
250
500
50
50
0
2.7–5.5V
Unit
pF
pF
Max.
100
100
V
10ns
V
10
2
CC
CC
x 0.1 to V
x0.5
Conditions
V
V
OUT
IN
= 0V
Unit
MHz
CC
ms
= 0V
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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x 0.9