DS21Q50L-W+ Maxim Integrated Products, DS21Q50L-W+ Datasheet - Page 75

• Manufacturer Part Number: DS21Q50L-W+
• Description: TXRX E1 QUAD CLK/DATA 100LQFP
• Manufacturer: Maxim Integrated Products

Specifications of DS21Q50L-W+

• Function: Transceiver
• Interface: E1
• Number Of Circuits: 4
• Voltage - Supply: 3.14 V ~ 3.47 V
• Current - Supply: 230mA
• Mounting Type: Surface Mount
• Package / Case: 100-LFQFP
• Includes: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power (watts): -
• Operating Temperature: -
• Other names: 90-21Q50+LW0

21.
21.1 Multiplexed Bus AC Characteristics
AC CHARACTERISTICS—MULTIPLEXED PARALLEL PORT
(V
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 Setup Time before DS High
CS Setup Time before DS, WR, or RD Active
CS 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 Setup Time
DD
= 3.3V ±5%, T
AC TIMING PARAMETERS AND DIAGRAMS
PARAMETER
A
= 0°C to +70°C for DS21Q50L; V
75 of 87
DD
SYMBOL
PW
= 3.3V ±5%, T
PW
PW
t
t
t
t
t
t
t
t
t
t
t
t
ASED
R
DHW
RWH
t
DSW
CYC
RWS
t
DHR
DDR
ASL
AHL
ASD
CS
CH
, t
ASH
EH
EL
F
MIN
A
200
100
100
10
50
20
10
15
10
20
30
10
20
50
= -40°C to +85°C for DS21Q50LN.)
0
0
TYP
MAX
140
20
50
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns