DS21FF44 Maxim Integrated Products, DS21FF44 Datasheet - Page 107

• Manufacturer Part Number: DS21FF44
• Description: IC FRAMER E1 4X4 16CH 300-BGA
• Manufacturer: Maxim Integrated Products

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

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