DS21455 Maxim Integrated Products, DS21455 Datasheet - Page 259

• Manufacturer Part Number: DS21455
• Description: Network Controller & Processor ICs Quad E1-T1-J1 Single -Chip Transceiver (S
• Manufacturer: Maxim Integrated Products

Specifications of DS21455

• Product: Framer
• Number Of Transceivers: 4
• Data Rate: 64 Kbps
• Supply Voltage (max): 3.465 V
• Supply Voltage (min): 3.135 V
• Supply Current (max): 328 mA
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Package / Case: BGA

38.3 Receive Side AC Characteristics
AC CHARACTERISTICS–RECEIVE SIDE
(V
V
RCLKO Period
RCLKO Pulse Width
RCLKO Pulse Width
RCLKI Period
RCLKI Pulse Width
RSYSCLK Period
RSYSCLK Pulse Width
RSYNC Setup to RSYSCLK Falling
RSYNC Pulse Width
RPOSI/RNEGI Setup to RCLKI Falling
RPOSI/RNEGI Hold from RCLKI
Falling
RSYSCLK, RCLKI Rise and Fall Times
Delay RCLKO to RPOSO, RNEGO
Valid
Delay RCLK to RSER, RDATA, RSIG,
RLINK Valid
Delay RCLK to RCHCLK, RSYNC,
RCHBLK, RFSYNC, RLCLK
Delay RSYSCLK to RSER, RSIG Valid
Delay RSYSCLK to RCHCLK,
RCHBLK, RMSYNC, RSYNC
DD
DD
= 3.3V ±5%, T
= 3.3V ±5%, T
PARAMETER
A
A
= -40°C to +85°C for DS21455N/DS21458N.) (See
= 0°C to +70°C for DS21455/DS21458;
SYMBOL
t
R
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
CH
PW
HD
DD
LH
LH
CP
CL
SH
SU
SU
D1
D2
D3
D4
LP
LL
LL
SP
SP
SP
SP
SP
SL
259 of 270
, t
F
MIN
200
200
150
150
20
20
20
20
20
50
20
20
0.5 t
0.5 t
0.5 t
0.5 t
0.5 t
0.5 t
0.5 t
0.5 t
TYP
(E1)
(T1)
(E1)
(T1)
488
648
488
648
648
488
244
122
61
LP
LP
LP
LP
CP
CP
Figure 38-8
SP
SP
MAX
22
50
50
50
22
22
to
UNITS
Figure
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
38-12.)
NOTES
1
1
2
2
3
4
5
6
7