X9119TV14 Intersil, X9119TV14 Datasheet - Page 5

• Manufacturer Part Number: X9119TV14
• Description: IC DCP 100K 1024TP 14TSSOP
• Manufacturer: Intersil
• Series: XDCP™r

Specifications of X9119TV14

• Taps: 1024
• Resistance (ohms): 100K
• Number Of Circuits: 1
• Temperature Coefficient: 300 ppm/°C Typical
• Memory Type: Non-Volatile
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 14-TSSOP
• Resistance In Ohms: 100K
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

STOP CONDITION
All communications must be terminated by a stop condition,
which is a LOW to HIGH transition of SDA while SCL is
HIGH (see Figure 3).
ACKNOWLEDGE
Acknowledge is a software convention used to provide a
positive handshake between the master and slave devices
on the bus to indicate the successful receipt of data. The
transmitting device, either the master or the slave, will
ACKNOWLEDGE POLLING
The disabling of the inputs, during the internal nonvolatile
write operation, can be used to take advantage of the typical
5ms EEPROM write cycle time. Once the stop condition is
issued to indicate the end of the nonvolatile write command
the X9119 initiates the internal write cycle. ACK polling,
Flow 1, can be initiated immediately. This involves issuing
the start condition followed by the device slave address. If
the X9119 is still busy with the write operation, no ACK will
be returned. If the X9119 has completed the write operation,
an ACK will be returned and the master can then proceed
with the next operation.
FROM TRANSMITTER
FROM RECEIVER
DATA OUTPUT
DATA OUTPUT
SCL FROM
MASTER
5
ST AR T
FIGURE 2. ACKNOWLEDGE RESPONSE FROM RECEIVER
1
X9119
release the SDA bus after transmitting eight bits. The master
generates a ninth clock cycle and during this period the
receiver pulls the SDA line LOW to acknowledge that it
successfully received the eight bits of data.
The X9119 will respond with an acknowledge after
recognition of a start condition and its slave address and
once again after successful receipt of the command byte. If
the command is followed by a data byte the X9119 will
respond with a final acknowledge (see Figure 2).
FLOW 1. ACK Polling Sequence
COMMAND COMPLETED
NONVOLATILE WRITE
ENTERACK POLLING
INSTRUCTION
ISSUE SLAVE
OPERATION?
RETURNED?
FURTHER
ADDRESS
PROCEED
START
ISSUE
ISSUE
ACK
8
YES
YES
ACKNO WLEDGE
NO
NO
9
ISSUE STOP
ISSUE STOP
PROCEED
July 9, 2008
FN8162.4