DS21Q42T Maxim Integrated Products, DS21Q42T Datasheet - Page 107

• 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: Contains lead / RoHS non-compliant

AC CHARACTERISTICS—RANSMIT SIDE
TCLK Period
TCLK Pulse Width
TCLKI Pulse Width
TSYSCLK Period
TSYSCLK Pulse Width
TSYNC or TSSYNC
Setup to TCLK or
TSYSCLK falling
TSYNC or TSSYNC
Pulse Width
TSER, TSIG, TLINK
Setup to TCLK,
TSYSCLK Falling
TSER, TSIG, TLINK
Hold from TCLK,
TSYSCLK Falling
TCLK or TSYSCLK Rise
and Fall Times
Delay TCLK to TPOS,
TNEG Valid
Delay TCLK to
TCHCLK, TCHBLK,
TSYNC, TLCLK
Delay TSYSCLK to
TCHCLK, TCHBLK
See Figures 21–11 to 21–13 for details.
NOTES:
1) TSYSCLK = 1.544MHz
2) TSYSCLK = 2.048MHz
PARAMETER
SYMBOL
t
SH
t
R
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
CH
HD
PW
HD
DD
CL
LH
SU
SU
CP
LL
SP
SP
D2
D3
, t
, t
SL
F
-40°C to +85°C; V
(0°C to +70°C; V
MIN
122
75
75
50
20
50
20
20
107 of 116
TYP
648
648
448
DD
DD
= 2.97 to 3.63V for DS21Q42TN)
= 2.97 to 3.63V for DS21Q42T;
t
t
MAX
CH
SH
25
50
50
75
or
- 5
- 5
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
NOTES
1
2