DS21Q55 Maxim Integrated Products, DS21Q55 Datasheet - Page 227
![IC TXRX QUAD T1/E1/J1 SCT 256BGA](/photos/6/82/68222/406-256-bga_sml.jpg)
DS21Q55
Manufacturer Part Number
DS21Q55
Description
IC TXRX QUAD T1/E1/J1 SCT 256BGA
Manufacturer
Maxim Integrated Products
Datasheet
1.DS21Q55.pdf
(237 pages)
Specifications of DS21Q55
Function
Transceiver
Interface
E1, J1, T1
Number Of Circuits
4
Voltage - Supply
3.14 V ~ 3.47 V
Current - Supply
75mA
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
256-BGA
Includes
BERT Generator and Detector, Dual HDLC Controllers
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Power (watts)
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DS21Q552
Manufacturer:
DALLAS
Quantity:
319
Company:
Part Number:
DS21Q552BN+
Manufacturer:
Maxim Integrated
Quantity:
10 000
Part Number:
DS21Q554
Manufacturer:
DALLAS
Quantity:
20 000
Part Number:
DS21Q554B+
Manufacturer:
MAXIM/美信
Quantity:
20 000
Figure 33-4. Intel Bus Read Timing (BTS = 0/MUX = 0)
Figure 33-5. Intel Bus Write Timing (BTS = 0/MUX = 0)
A0 to A7
D0 to D7
A0 to A7
D0 to D7
CS
RD
WR
WR
RD
CS
0ns (min)
0ns (min)
t1
t1
ADDRESS VALID
0ns (min)
ADDRESS VALID
0ns (min)
t2
t2
75ns (max)
t3
227 of 237
75ns (min)
t6
5ns (min) / 20ns (max)
DATA VALID
10ns (min)
t7
t4
t4
10ns (min)
t8
0ns (min)
0ns (min)
t5