DS3174+ Maxim Integrated Products, DS3174+ Datasheet - Page 226
DS3174+
Manufacturer Part Number
DS3174+
Description
IC TXRX DS3/E3 QUAD 400-BGA
Manufacturer
Maxim Integrated Products
Datasheet
1.DS3171N.pdf
(234 pages)
Specifications of DS3174+
Function
Single-Chip Transceiver
Interface
DS3, E3
Number Of Circuits
4
Voltage - Supply
3.135 V ~ 3.465 V
Current - Supply
725mA
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
400-BGA
Includes
DS3 Framers, E3 Framers, HDLC Controller, On-Chip BERTs
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power (watts)
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18.5 Micro Interface AC Characteristics
The AC characteristics for the external bus interface. This table references
Table 18-5. Micro Interface Timing
(V
RD, WR, DS
RD, WR, DS
Note 1:
Note 2:
Note 3:
Note 4:
A[N:0], ALE
DD
NAME(S)
SIGNAL
CS, R/W
CS, R/W
D[15:0]
D[15:0]
D[15:0]
D[15:0]
A[10:0]
A[10:0]
A[10:0]
= 3.3 ±5%, Tj = -40°C to +125°C.)
RDY
RDY
RDY
RDY
RDY
ALE
ALE
R/W
R/W
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
Setup Time to RD, WR, DS Active
Setup Time to ALE Inactive
Hold Time from ALE Inactive
Pulse Width
Hold Time from RD, WR, DS Inactive
Setup Time to RD, WR Active
Output Delay Time from RD, DS Active
Pulse Width if not using RDY Handshake
Delay from RDY
Output Deassert Delay Time from RD, DS
Inactive
Hold Time from RD, WR, DS Inactive
Input Setup Time to WR, DS Inactive
Input Hold Time from WR, DS Inactive
Delay Time from RD, WR, DS Active
Delay Time from RD, WR, DS Inactive
Enable Delay Time from CS Active
Disable Delay Time from CS Inactive
Ending High Pulse Width
Setup Time to DS Active
Hold Time to DS Inactive
DESCRIPTION
226
DD
/2. Transition time (80/20%) on RD , WR, and CS inputs is 5ns max.
Figure
MIN
10
10
35
15
10
2
2
5
0
0
2
0
5
5
0
1
2
2
18-7and
TYP
Figure
MAX UNITS NOTES
30
10
12
10
18-8.
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
1, 2
1, 2
1, 2
1, 2
1, 4
1, 3
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
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