MCP4161-503E/P Microchip Technology, MCP4161-503E/P Datasheet - Page 48
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MCP4161-503E/P
Manufacturer Part Number
MCP4161-503E/P
Description
IC POT DGTL SNGL 50K SPI 8DIP
Manufacturer
Microchip Technology
Datasheet
1.MCP4161-502ESN.pdf
(88 pages)
Specifications of MCP4161-503E/P
Memory Type
Non-Volatile
Taps
257
Resistance (ohms)
50K
Number Of Circuits
1
Temperature Coefficient
150 ppm/°C Typical
Interface
SPI Serial
Voltage - Supply
2.7 V ~ 5.5 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Through Hole
Package / Case
8-DIP (0.300", 7.62mm)
Resistance In Ohms
50K
End To End Resistance
50kohm
Resistance Tolerance
± 20%
No. Of Steps
257
Supply Voltage Range
2.7V To 5.5V
Control Interface
SPI
No. Of Pots
Single
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MCP4161-503E/P
Manufacturer:
Microchip
Quantity:
180
MCP414X/416X/424X/426X
7.4
The device supports the ability to execute commands
continuously. While the CS pin is in the active state (V
or V
received.
The following example is a valid sequence of events:
1.
2.
3.
4.
5.
6.
7.
8.
TABLE 7-3:
DS22059B-page 48
Write Data
Read Data
Increment Wiper
Decrement Wiper
High Voltage
High Voltage
High Voltage
High Voltage
Modify Write Protect or Wiper-
Lock Technology (High Voltage)
Enable
Modify Write Protect or Wiper-
Lock Technology (High Voltage)
Disable
Note 1: This command will only complete if wiper is “unlocked” (WiperLock Technology is Disabled).
IHH
CS pin driven active (V
Read Command.
Increment Command (Wiper 0).
Increment Command (Wiper 0).
Decrement Command (Wiper 1).
Write Command (Volatile memory).
Write Command (Non-Volatile memory).
CS pin driven inactive (V
). Any sequence of valid commands may be
2: If the command is executed using address 02h or 03h, then that corresponding wiper is locked or
3: If the command is executed using with address 02h or 03h, then that corresponding wiper is unlocked or
Continuous Commands
Command Name
if with address 0Fh, then Write Protect is enabled.
if with address 0Fh, then Write Protect is disabled.
Write Data
Read Data
Increment Wiper
Decrement Wiper
COMMANDS
IL
IH
or V
).
IHH
-
-
).
16-Bits
16-Bits
16-Bits
16-Bits
8-Bits
8-Bits
8-Bits
8-Bits
8-Bits
8-Bits
Bits
# of
EEPROM
Value in
Writes
Yes
—
—
Yes
—
—
—
—
—
—
IL
(2)
(3)
(1)
Operates on
Non-Volatile
Volatile Only
Volatile Only
Volatile Only
Volatile Only
Non-Volatile
Non-Volatile
memory
Volatile/
Only
Only
Both
Both
Both
Both
Note 1: It is recommended that while the CS pin is
(2)
(3)
2: It is also recommended that long
(V
CS pin?
active, only one type of command should
be issued. When changing commands, it
is recommended to take the CS pin
inactive then force it back to the active
state.
command strings should be broken down
into shorter command strings. This
reduces the probability of noise on the
SCK pin corrupting the desired SPI
command string.
Voltage
High
IHH
Yes
Yes
Yes
Yes
Yes
Yes
—
—
—
—
) on
unprotected
© 2008 Microchip Technology Inc.
WiperLock or
Write Protect
protected
unlocked
unlocked
unlocked
unlocked
unchanged
unchanged
unchanged
unchanged
Impact on
unlocked/
locked/
(1)
(1)
(1)
(1)
(2)
(3)
“locked”?
Wiper is
Works
when
Yes
Yes
Yes
No
No
No
No
No
No
No