DS21FT42 Maxim Integrated Products, DS21FT42 Datasheet - Page 103

• 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

See Figures 25-1 to 25-3 for details
AC CHARACTERISTICS –
MULTIPLEXED PARALLEL PORT MUX=1)
Cycle Time
Pulse Width, DS low
or RD* high
Pulse Width, DS high
or RD* low
Input Rise/Fall times
R/W* Hold Time
R/W* Set Up time
before DS high
CS*, FSO or FS1 Set
Up time before DS,
WR* or RD* active
CS*, FSO or FS1 Hold
time
Read Data Hold time
Write Data Hold time
Muxed Address valid
to AS or ALE fall
Muxed Address Hold
time
Delay time DS, WR*
or RD* to AS or ALE
rise
Pulse Width AS or
ALE high
Delay time, AS or ALE
to DS, WR* or RD*
Output Data Delay
time from DS or RD*
Data Set Up time
PARAMETER
V
DD
SYMBOL
PW
= 2.97 to 3.63V, T
PW
PW
t
t
t
t
(V
t
t
t
t
t
t
t
t
R
t
t
ASED
DHW
RWH
DSW
CYC
RWS
DHR
DDR
AHL
ASD
ASL
CH
CS
, t
DD
ASH
EH
EL
F
= 2.97 to 3.63V, T
MIN
200
100
100
10
50
20
10
10
15
10
20
30
10
20
50
0
A
= -40°C to +85°C for DS21FF42N/DS21FT42N)
103 of 114
A
TYP
= 0°C to +70°C for DS21FF42/DS21FT42
20
MAX
50
80
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
NOTES