DS3181 Maxim Integrated Products, DS3181 Datasheet - Page 390

• Manufacturer Part Number: DS3181
• Description: Network Controller & Processor ICs DS3-E3 ATM-Packet PH Y with Built-in Line
• Manufacturer: Maxim Integrated Products

Specifications of DS3181

• Product: Framer
• Number Of Transceivers: 1
• Data Rate: 44.736 Mbps
• Supply Voltage (max): 3.465 V
• Supply Voltage (min): 3.135 V
• Supply Current (max): 280 mA
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Package / Case: TEBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

18.6 Micro Interface AC Characteristics
The AC characteristics for the external bus interface. This table references
Table 18-7. Micro Interface Timing
(
V
A[N:0]
ALE
A[N:0]
A[N:0]
ALE
A[N:0], ALE
CS, R/W
D[15:0]
RD, WR, DS
RD, WR, DS
D[15:0]
CS, R/W
D[15:0]
D[15:0]
RDY
RDY
RDY
RDY
RDY
R/W
R/W
Note 1:
Note 2:
Note 3:
Note 4:
SIGNAL NAME(S)
DD
= 3.3 ±5%, Tj = -40°C to +125°C.)
The input/output timing reference level for all signals is V
Multiplexed mode timing only.
D[15:0] output valid until not driven.
Timing required if not using RDY handshake.
SYMBOL
t1a
t1b
t9a
t9b
t10
t12
t13
t14
t15
t16
t17
t18
t19
t20
t21
t2
t3
t4
t5
t6
t8
Setup time to RD, WR, DS active (Note 1)
Setup time to RD, WR, DS active (Notes 1, 2)
Setup time to ALE inactive (Notes 1, 2)
Hold time from ALE inactive (Notes 1, 2)
Pulse width (Notes 1, 2)
Hold time from RD, WR, DS inactive (Note 1)
Setup time to RD, WR active (Note 1)
Output delay time from RD, DS active (Note 1)
Pulse width if not using RDY handshake
(Notes 1, 4)
Delay from RDY (Note 1)
Output deassert delay time from RD, DS
inactive (Notes 1, 3)
Hold time from RD, WR, DS inactive (Note 1)
Input setup time to WR, DS inactive (Note 1)
Input hold time from WR, DS inactive (Note 1)
Delay time from RD, WR, DS active (Note 1)
Delay time from RD, WR, DS inactive (Note 1)
Enable delay time from CS active (Note 1)
Disable delay time from CS inactive (Note 1)
Ending high pulse width (Note 1)
Setup time to DS active (Note 1)
Hold time to DS inactive (Note 1)
DESCRIPTION
390
DD
/2. Transition time (80/20%) on RD , WR and CS inputs is 5ns max.
Figure
18-7and
MIN
10
10
35
15
10
2
2
5
0
0
2
0
5
5
0
1
2
2
Figure
TYP MAX UNITS
18-8.
30
10
12
10
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns