DS26521LN+ Maxim Integrated Products, DS26521LN+ Datasheet - Page 245

• Manufacturer Part Number: DS26521LN+
• Description: IC TXRX T1/E1/J1 64-LQFP
• Manufacturer: Maxim Integrated Products
• Type: Line Interface Units (LIUs)r

Specifications of DS26521LN+

• Number Of Drivers/receivers: 1/1
• Protocol: T1/E1/J1
• Voltage - Supply: 3.135 V ~ 3.465 V
• Mounting Type: Surface Mount
• Package / Case: 64-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 12-4. Transmit AC Characteristics
(V
TCLK Period
TCLK Pulse Width
TSYSCLK Period
TSYSCLK Pulse Width
TSYNC or TSSYNCIO Setup to TCLK
or TSYSCLK falling
TSYNC or TSSYNCIO Pulse Width
TSSYNCIO Pulse Width (Notes 7, 8)
TSER, TSIG Setup to TCLK,
TSYSCLK Falling
TSER, TSIG Hold from TCLK,
TSYSCLK Falling
Delay TCLK to TCHBLK, TCHCLK,
TSYNC
Delay TSYSCLK to TCHCLK, TCHBLK
Delay TCLK to TTIP/TRING
Delay BPCLK to TSSYNCIO (Note 7)
Note 1:
Note 2:
Note 3:
Note 4:
Note 5:
Note 6:
Note 7:
Note 8:
DD
= 3.3V ±5%, T
The timing parameters in this table are guaranteed by design (GBD).
T1 Mode.
E1 Mode.
RSYSCLK = 1.544MHz.
RSYSCLK = 2.048MHz.
TSSYNCIO configured as an input (GTCR2.1 = 0).
TSSYNCIO configured as an output (GTCR2.1 = 1).
Varies depending on the frequency of BPCLK.
PARAMETER
A
= -40°C to +85°C.) (Note 1) (See
SYMBOL
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
PW
PW
CP
CH
CL
SP
SH
SU
SU
HD
D2
D3
D4
D5
SL
245 of 258
(Note 2)
(Note 3)
(Note 4)
(Note 5)
(Note 6)
CONDITIONS
Figure
12-9,
Figure
MIN
125
125
488
244
122
60
60
30
30
20
50
61
20
20
DS26521 Single T1/E1/J1 Transceiver
12-10, and
TYP
648
488
648
448
Figure
t
t
MAX
CH
SH
50
50
50
or
5
- 5
- 5
12-11.)
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns