MCP4161-502E/SN Microchip Technology, MCP4161-502E/SN Datasheet - Page 48

• Manufacturer Part Number: MCP4161-502E/SN
• Description: IC POT DGTL SNGL 5K SPI 8SOIC
• Manufacturer: Microchip Technology

Specifications of MCP4161-502E/SN

• Package / Case: 8-SOIC (3.9mm Width)
• Taps: 257
• Resistance (ohms): 5K
• Number Of Circuits: 1
• Temperature Coefficient: 150 ppm/°C Typical
• Memory Type: Non-Volatile
• Interface: SPI Serial
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Resistance In Ohms: 5K
• Number Of Pots: Single
• Taps Per Pot: 256
• Resistance: 5 KOhms
• Wiper Memory: Non Volatile
• Digital Interface: Serial (4-Wire, SPI)
• Operating Supply Voltage: 2.5 V, 3.3 V, 5 V
• Supply Current: 550 uA
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 1.8 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

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