DS2155LC2+ Maxim Integrated Products, DS2155LC2+ Datasheet - Page 224

• Manufacturer Part Number: DS2155LC2+
• Description: IC TXRX T1/E1/J1 SGL 100-LQFP
• Manufacturer: Maxim Integrated Products

Specifications of DS2155LC2+

• Function: Single-Chip Transceiver
• Interface: E1, HDLC, J1, T1
• Number Of Circuits: 1
• Voltage - Supply: 3.14 V ~ 3.47 V
• Current - Supply: 75mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 100-LQFP
• Includes: BERT Generator and Detector, CMI Coder and Decoder, HDLC Controller
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power (watts): -

37.
Capacitive test loads are 40pF for bus signals, 20pF for all others.
37.1 Multiplexed Bus AC Characteristics
AC CHARACTERISTICS: MULTIPLEXED PARALLEL PORT (MUX = 1)
(Figure
(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
37-1,
PARAMETER
Figure
A
= 0°C to +70°C for DS2155L; V
37-2, and
Figure
37-3)
SYMBOL
PW
PW
PW
t
t
t
t
t
t
t
t
t
t
t
t
ASED
R
RWH
t
DHW
RWS
t
DHR
DDR
DSW
CYC
AHL
ASD
ASL
CH
, t
CS
ASH
DD
EH
EL
224 of 238
F
= 3.3V ±5%, T
CONDITIONS
A
= -40°C to +85°C for DS2155LN.)
MIN
200
100
100
10
50
20
10
15
10
20
30
10
20
50
0
0
TYP
MAX
20
50
80
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns