ISL21400 Intersil Corporation, ISL21400 Datasheet - Page 6

• Manufacturer Part Number: ISL21400
• Description: Programmable Temperature Slope Voltage Reference
• Manufacturer: Intersil Corporation

Serial Interface Specification
Timing Diagrams
Bus Timing
Write Cycle Timing
NOTES:
1. Equation 1 governs the output voltage and is stated as follows:
2. Typical values are for T
SYMBOL
(Note 14)
(OUTPUT TIMING)
Rpu
V
t
(INPUT TIMING)
I
V
V
C
WC
LO
OL
IH
IL
L
SDA
SCL
SDA and SCL Bus Pull-up Resistor
Off-chip
Output Leakage Current (SDA only) V
A1, A0, SHDN, SDA, and SCL Input
Buffer LOW Voltage
A1, A0, SHDN, SDA, and SCL Input
Buffer HIGH Voltage
SDA Output Buffer LOW Voltage
Capacitive Loading of SDA or SCL
EEPROM Endurance
EEPROM Retention
Non-Volatile Write Cycle Time
SDA
SCL
V
SDA
OUT
t
SU:STA
=
A
8th BIT OF LAST BYTE
PARAMETER
A
V
= +25°C and V
•
⎧
⎨
⎩
V
6
REF
t
HD:STA
(for SCL, SDA, A0, A1, A2 unless specified otherwise) (Continued)
•
--------- -
255
n
t
F
CC
+
K T T
t
= 5.5V.
SU:DAT
(
–
Maximum is determined by t
and t
For Cb = 400pF, max is about
2~2.5kΩ
For Cb = 40pF, max is about
15~20kΩ
I
sink
Total on-chip and off-chip
(Note 3)
Temperature T ≤ +55°C
OL
0
OUT
)
(
------------------------------- -
= 100µA (Note 3), at 3mA
TEST CONDITIONS
2 m
F
t
•
= GND to V
ACK
HIGH
255
) 255
–
ISL21400
⎫
⎬
⎭
,
t
CC
n = 0 to 255, m = 0 to 255, K = -2.1mV/C(typ), T0 = +25°C
LOW
t
HD:DAT
R
CONDITION
STOP
V
1,000,000
CC
MIN
-0.3
10
50
t
1
0
R
x 0.7
t
AA
t
WC
(Note 2)
t
DH
TYP
12
CONDITION
t
sp
START
V
CC
t
MAX
BUF
V
400
0.4
20
1
CC
x 0.3
t
SU:STO
t
HD:STO
December 14, 2006
UNITS
Cycles
Years
kΩ
µA
ms
pF
V
V
V
FN8091.0