DS21FT42 Maxim Integrated Products, DS21FT42 Datasheet - Page 106

• Manufacturer Part Number: DS21FT42
• Description: IC FRAMER T1 4X3 12CH 300-BGA
• Manufacturer: Maxim Integrated Products

Specifications of DS21FT42

• Controller Type: T1 Framer
• Interface: Parallel/Serial
• Voltage - Supply: 2.97 V ~ 3.63 V
• Current - Supply: 225mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 300-BGA
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

AC CHARACTERISTICS – TRANSMIT SIDE
See Figures 25–11 to 25–13 for details.
NOTES:
1. TSYSCLK = 1.544 MHz.
2. TSYSCLK = 2.048 MHz.
TCLK Period
TCLK Pulse Width
TCLKI Pulse Width
TSYSCLK Period
TSYSCLK Pulse Width
TSYNC or TSSYNC Set
Up to TCLK or
TSYSCLK falling
TSYNC or TSSYNC
Pulse Width
TSER, TSIG, TLINK Set
Up 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
PARAMETER
V
DD
SYMBOL
= 2.97 to 3.63V, T
(V
t
DD
R
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
HD
CH
PW
HD
DD
CL
LH
SH
SU
SU
CP
LL
SL
D2
D3
SP
SP
, t
= 2.97 to 3.63V, T
F
MIN
122
122
75
75
75
75
50
50
20
20
50
20
20
A
106 of 114
= -40°C to +85°C for DS21FF42N/DS21FT42N)
A
= 0°C to +70°C for DS21FF42/DS21FT42;
TYP
648
648
448
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
ns
ns
ns
ns
NOTES
1
2