DS2181AQ/T&R Maxim Integrated Products, DS2181AQ/T&R Datasheet - Page 5

• Manufacturer Part Number: DS2181AQ/T&R
• Description: IC TXRX CEPT PRIMARY RATE 44PLCC
• Manufacturer: Maxim Integrated Products
• Type: Transceiverr

Specifications of DS2181AQ/T&R

• Number Of Drivers/receivers: 1/1
• Protocol: CEPT
• Voltage - Supply: 4.5 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 44-LCC, 44-PLCC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

PORT PIN DESCRIPTION (40-PIN DIP ONLY) Table 3
POWER AND TEST PIN DESCRIPTION (40-PIN DIP ONLY) Table 4
PIN
PIN
14
15
16
17
18
19
20
32
40
SYMBOL
SYMBOL
SCLK
TEST
SDO
SPS
V
SDI
V
INT
CS
DD
SS
TYPE
TYPE
O
O
-
-
I
I
I
I
I
Receive Alarm Interrupt. Flags host controller during alarm
conditions. Active low; open drain output.
Serial Data In. Data for on-chip control registers; sampled on rising
edge of SCLK.
Serial Data Out. Control and status data from on-chip registers.
Updated on falling edge of SCLK; tri-stated during port write or when
Chip Select. Must be low to write or read the serial port.
Serial Data Clock. Used to write or read the serial port registers.
Serial Port Select. Tie to V
select the hardware mode.
Signal Ground. 0.0 volts.
Test Mode. Tie to V
tri–state the synchronizer status pins on the DS2181AQ. Tie to V
to select the new DS2181A sync algorithm and activate the
synchronizer status pins on the DS2181AQ.
Positive Supply. 5.0 volts.
CS
is high.
5 of 32
SS
to select the old DS2181 sync algorithm and to
DESCRIPTION
DESCRIPTION
DD
to select the serial port. Tie to V
DS2181A
SS
DD
to