DS4550 Maxim, DS4550 Datasheet - Page 2

• Manufacturer Part Number: DS4550
• Description: The DS4550 is a 9-bit, nonvolatile (NV) I/O expander with 64 bytes of NV user memory controlled by either an I²C-compatible serial interface or an IEEE® 1149
• Manufacturer: Maxim

ABSOLUTE MAXIMUM RATINGS
Voltage on V
Voltage on A0, A1, A2, TCK, TMS, TDI, and I/O_n [n = 0 to 8]
Operating Temperature Range ...........................-40°C to +85°C
RECOMMENDED OPERATING CONDITIONS
(T
DC ELECTRICAL CHARACTERISTICS
(V
I
Expander Plus Memory
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
2
Standby Current
Input Leakage
Input Current each I/O pin
Low-Level Output Voltage (SDA)
I/O Pins Low-Level Output
Voltage
Low-Level Output Voltage (TDO)
High-Level Output Voltage (TDO)
I/O Pin Pullup Resistors
TMS, TDI Pullup Resistors
I/O Capacitance
Power-On Reset Voltage
Supply Voltage
Input Logic 1
Input Logic 0
A
CC
2
Relative to Ground.............................................-0.5V to +6.0V
Relative to Ground ...................................-0.5V to V
= -40°C to +85°C)
C and JTAG Nonvolatile 9-Bit I/O
_____________________________________________________________________
= +2.7V to +5.5V, T
PARAMETER
PARAMETER
CC
, SDA, and SCL Pins
A
= -40°C to +85°C, unless otherwise noted.)
SYMBOL
SYMBOL
V
V
V
V
OH TDO
OL SDA
OL TDO
I
V
R
OL I/O
C
V
STBY
R
V
V
I
POR
JPU
I
I/O
CC
PU
I/O
IH
L
IL
not to exceed +6.0V.
(Note 2)
0.4 < V
3mA sink current
6mA sink current
16mA sink current
4mA sink current
1mA source current
(Note 3)
(Note 1)
CC
+ 0.5V,
I/O
< 0.9 x V
CONDITIONS
CONDITIONS
CC
EEPROM Programming Temperature Range .........0°C to +70°C
Storage Temperature Range .............................-55°C to +125°C
Soldering Temperature .....................See IPC/JEDEC J-STD-020
0.7 x
+2.7
MIN
V
MIN
-0.3
-1.0
-1.0
2.4
4.0
7.5
CC
TYP
TYP
5.5
1.6
10
2
V
MAX
MAX
0.3 x
+1.0
+1.0
+5.5
12.5
V
CC
0.4
0.6
0.4
0.4
7.5
0.3
10
10
CC
Specification
+
UNITS
UNITS
µA
µA
µA
kΩ
kΩ
pF
V
V
V
V
V
V
V
V