x4c105 Intersil Corporation, x4c105 Datasheet - Page 11

• Manufacturer Part Number: x4c105
• Description: Cpu Supervisor With Novram And Output Ports
• Manufacturer: Intersil Corporation

CAPACITANCE T
Note:
SERIAL NONVOLATILE WRITE CYCLE TIMING
Note:
SERIAL MEMORY AC CHARACTERISTICS
Serial AC Test Conditions
Input pulse levels
Input rise and fall times
Input and output timing levels
Output load
Symbol
Symbol
C
C
t
WC
I/O
IN
(4) This parameter is periodically sampled and not 100% tested.
(5) t
(4)
(4)
(5)
the minimum cycle time to be allowed for any nonvolatile write by the user, unless acknowledge polling is used.
WC
is the time from a valid stop condition at the end of a write sequence to the end of the self-timed internal nonvolatile write cycle. It is
Input/output capacitance (SDA, D0-D3, O0-O3)
Input capacitance (SCL, WP, CE, WE, OE, S1, S2)
Write cycle time
A
= 25°C, f = 1.0 MHz, V
11
V
10ns
V
Standard output load
CC
CC
Parameter
Parameter
x 0.1 to V
x 0.5
CC
CC
= 3.0-3.6V
x 0.9
X4C105
Equivalent AC Output Load Circuit for V
Max.
SDA
8
Min.
6
Unit
Typ.
3.3V
pF
pF
3
(5)
1533Ω
100pF
Max.
Test Conditions
For V
and I
5
V
V
OL
OL
I/O
IN
CC
= 2mA
= 0.4V
= 0V
= 0V
= 3.0-3.6V
March 18, 2005
Unit
ms
FN8124.0