DS21Q55 Maxim Integrated Products, DS21Q55 Datasheet - Page 228

• Manufacturer Part Number: DS21Q55
• Description: IC TXRX QUAD T1/E1/J1 SCT 256BGA
• Manufacturer: Maxim Integrated Products

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): -

Figure 33-6. Motorola Bus Read Timing (BTS = 1/MUX = 0)
Figure 33-7. Motorola Bus Write Timing (BTS = 1/MUX = 0)
A0 to A7
D0 to D7
A0 to A7
D0 to D7
R/W
CS
DS
R/W
CS
DS
0ns (min)
0ns (min)
t1
t1
0ns (min)
0ns (min)
ADDRESS VALID
t2
ADDRESS VALID
t2
75ns (max)
t3
228 of 237
75ns (min)
t6
5ns (min) / 20ns (max)
10ns (min)
DATA VALID
t7 t8
t4
t4
10ns (min)
0ns (min)
0ns (min)
t5