DS21Q55 Maxim Integrated Products, DS21Q55 Datasheet - Page 224

• 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 33-1. Intel Bus Read Timing (BTS = 0/MUX = 1)
Figure 33-2. Intel Bus Write Timing (BTS = 0/MUX = 1)
AD0–AD7
AD0–AD7
ALE
WR
RD
ALE
CS
RD
WR
CS
t ASD
t ASD
t ASD
PW
PW
t
t
t ASD
EL
ASL
ASL
EL
PW
PW
224 of 237
t
t
t
CS
AHL
t
t
AHL
t
CS
ASED
ASED
t CYC
t CYC
t DDR
PW
PW
t
EH
EH
DSW
t
t
CH
CH
t
t
DHR
DHW