DS21Q42T+ Maxim Integrated Products, DS21Q42T+ Datasheet - Page 106

• Manufacturer Part Number: DS21Q42T+
• Description: IC FRAMER ENHANCED T1 4X 128TQFP
• Manufacturer: Maxim Integrated Products

Specifications of DS21Q42T+

• Controller Type: T1 Framer
• Interface: Parallel/Serial
• Voltage - Supply: 2.97 V ~ 3.63 V
• Current - Supply: 75mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 128-TQFP, 128-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AC CHARACTERISTICS—RECEIVE SIDE
RCLK Period
RCLK Pulse Width
RSYSCLK Period
RSYSCLK Pulse Width
RSYNC Setup to
RSYSCLK Falling
RSYNC Pulse Width
RPOS/RNEG Setup to
RCLK Falling
RPOS/RNEG Hold From
RCLK Falling
RSYSCLK/RCLK Rise
and Fall Times
Delay RCLK to RSER,
RSIG, RLINK Valid
Delay RCLK to
RCHCLK, RSYNC,
RCHBLK, RFSYNC,
RLCLK
Delay RSYSCLK to
RSER, RSIG Valid
Delay RSYSCLK to
RCHCLK, RCHBLK,
RMSYNC, RSYNC
See Figures 21-8 to 21-10 for details.
NOTES:
1. RSYSCLK = 1.544MHz
2. RSYSCLK = 2.048MHz
PARAMETER
SYMBOL
t
t
R
t
t
t
t
t
t
t
t
t
t
t
t
t
t
CP
HD
PW
HD
CL
SH
SU
SU
SP
SP
SL
D1
D2
D3
D4
CH
, t
F
-40°C to +85°C; V
(0°C to +70°C; V
MIN
122
75
50
20
50
20
20
106 of 116
TYP
648
648
488
DD
DD
= 2.97 to 3.63V for DS21Q42TN)
= 2.97 to 3.63V for DS21Q42T;
t
MAX
SH
25
50
50
50
50
- 5
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
NOTES
1
2