DS21FF44 Maxim Integrated Products, DS21FF44 Datasheet - Page 107
![IC FRAMER E1 4X4 16CH 300-BGA](/photos/6/82/68293/300-bga_21-0304_sml.jpg)
DS21FF44
Manufacturer Part Number
DS21FF44
Description
IC FRAMER E1 4X4 16CH 300-BGA
Manufacturer
Maxim Integrated Products
Datasheet
1.DS21FT44N.pdf
(117 pages)
Specifications of DS21FF44
Controller Type
E1 Framer
Interface
Parallel/Serial
Voltage - Supply
2.97 V ~ 3.63 V
Current - Supply
300mA
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
300-BGA
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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AC CHARACTERISTICS—TRANSMIT SIDE
TCLK Period
TCLK Pulse Width
TCLKI Pulse Width
TSYSCLK Period
TSYSCLK Pulse Width
TSYNC or TSSYNC
Setup/Hold 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 TCHBLK,
TCHCLK, TSYNC,
TLCLK
Delay TSYSCLK to
TCHCLK, TCHBLK
See Figures 23–11 to 23–13 for details.
NOTES:
1) TSYSCLK = 1.544MHz
2) TSYSCLK = 2.048MHz
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
CH
HD
PW
HD
DD
CP
CL
LH
SH
SU
SU
D2
D3
LL
SP
SP
SL
, t
= 2.97 to 3.63V, T
F
MIN
122
75
75
50
20
50
20
20
107 of 117
A
= -40°C to +85°C for DS21FF44N/DS21FT44N)
A
= 0°C to +70°C for DS21FF44/DS21FT44
TYP
488
648
448
t
MAX
t
CH
SH
25
50
50
75
or
- 5
- 5
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
DS21FT44/DS21FF44
NOTES
1
2
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