X5643 INTERSIL [Intersil Corporation], X5643 Datasheet - Page 11

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

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
Symbol
C
Output
C
Symbol
OUT
t
t
IN
t
WC
f
t
t
t
LEAD
3.03kΩ
t
RI
SCK
CYC
t
t
FI
t
LAG
(2) This parameter is periodically sampled and not 100% tested.
WH
WL
SU
t
CS
(2)
H
(3)
(3)
(2)
(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
11
RESET/RESET
Test
Parameter
CC
5V
= 5V
CC
4.6kΩ
30pF
X5643, X5645
A.C. TEST CONDITIONS
Input pulse levels
Input rise and fall times
Input and output timing level
Max.
8
6
Min.
500
250
250
200
250
500
50
50
0
2.7-5.5V
Unit
pF
pF
Max.
100
100
10
2
V
10ns
V
CC
CC
x 0.1 to V
x0.5
Conditions
V
V
OUT
Unit
MHz
IN
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
= 0V
= 0V
CC
July 18, 2005
FN8135.1
x 0.9