DS2153QN-A7/T&R Maxim Integrated, DS2153QN-A7/T&R Datasheet - Page 22

• Manufacturer Part Number: DS2153QN-A7/T&R
• Description: Network Controller & Processor ICs
• Manufacturer: Maxim Integrated

Specifications of DS2153QN-A7/T&R

• Product: Framer
• Number Of Transceivers: 1
• Supply Current (max): 65 mA
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: PLCC-44
• Minimum Operating Temperature: - 40 C
• Operating Supply Voltage: 5 V
• Supply Voltage - Max: 5.25 V
• Supply Voltage - Min: 4.8 V
• Part # Aliases: 90-2153Q-NT7

Table 5-1. Alarm Set and Clear Criteria
RSA1
(receive signaling
all 1s)
RSA0
(receive signaling
all 0s)
RDMA
(receive distant
multiframe alarm)
RUA1
(receive unframed
all 1s)
RRA
(receive remote
alarm)
RCL
(receive carrier
loss)
ALARM
Over 16 consecutive frames (one full
MF) time slot 16 contains less than
three 0s
Over 16 consecutive frames (one full
MF) time slot 16 contains all 0s
Bit 6 in time slot 16 of frame 0 set to
1 for two consecutive MF
Less than three 0s in two frames
(512 bits)
Bit 3 of non-align frame set to 1 for
three consecutive occasions
255 consecutive 0s received
SET CRITERIA
22 of 60
Over 16 consecutive frames (one full
MF) time slot 16 contains three or more
0s
Over 16 consecutive frames (one full
MF) time slot 16 contains at least a
single 1
Bit 6 in time slot 16 of frame 0 set to 0
for a two consecutive MF
More than two 0s in two frames (512
bits)
Bit 3 of non-align frame set to 0 for
three consecutive occasions
In 255-bit times, at least 32 1s are
received
CLEAR CRITERIA
CCITT
SPEC.
1.6.1.2
G.732
G.732
O.162
O.162
O.162
G.775
2.1.5
2.1.4
4.2
5.2