DS21Q42T+ Maxim Integrated Products, DS21Q42T+ Datasheet - Page 105
![IC FRAMER ENHANCED T1 4X 128TQFP](/photos/6/82/68247/128-lqfp_21-0086d_sml.jpg)
DS21Q42T+
Manufacturer Part Number
DS21Q42T+
Description
IC FRAMER ENHANCED T1 4X 128TQFP
Manufacturer
Maxim Integrated Products
Datasheet
1.DS21Q42T.pdf
(116 pages)
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
Lead free / RoHS Compliant
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AC CHARACTERISTICS—NONMULTIPLEXED PARALLEL PORT (MUX = 0)
Setup Time for A0 to A7,
FS0 or FS1 Valid to
CS*Active
Setup Time for CS*
Active to either RD*,
WR*, or DS* Active
Delay Time from either
RD* or DS* Active to
Data Valid
Hold Time from either
RD*, WR*, or DS*
Inactive to CS* Inactive
Hold Time from CS*
Inactive to Data Bus tri-
state
Wait Time from either
WR* or DS* Active to
Latch Data
Data Setup Time to either
WR* or DS* Inactive
Data Hold Time from
either WR* or DS*
Inactive
Address Hold from either
WR* or DS* inactive
See Figures 21–4 to 21–7 for details.
PARAMETER
SYMBOL
t1
t2
t3
t4
t5
t6
t7
t8
t9
(0°C to +70°C; V
-40°C to +85°C; V
MIN
75
15
10
10
0
0
0
5
105 of 116
TYP
DD
DD
= 2.97 to 3.63V for DS21Q42T;
= 2.97 to 3.63V for 21Q42TN)
MAX
75
50
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
NOTES
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