DS21Q50L-W+ Maxim Integrated Products, DS21Q50L-W+ Datasheet - Page 81

• Manufacturer Part Number: DS21Q50L-W+
• Description: TXRX E1 QUAD CLK/DATA 100LQFP
• Manufacturer: Maxim Integrated Products

Specifications of DS21Q50L-W+

• Function: Transceiver
• Interface: E1
• Number Of Circuits: 4
• Voltage - Supply: 3.14 V ~ 3.47 V
• Current - Supply: 230mA
• Mounting Type: Surface Mount
• Package / Case: 100-LFQFP
• Includes: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power (watts): -
• Operating Temperature: -
• Other names: 90-21Q50+LW0

21.3 Serial Port
AC CHARACTERISTICS—SERIAL PORT (BTS1 = 1, BTS0 = 0)
(V
Setup Time CS to SCLK
Setup Time SDI to SCLK
Hold Time SCLK to SDI
SCLK High/Low Time
SCLK Rise/Fall Time
SCLK to CS Inactive
CS Inactive Time
SCLK to SDO Valid
SCLK to SDO Three-State
CS Inactive to SDO Three-State
Figure 21-8. Serial Bus Timing (BTS1 = 1, BTS0 = 0)
DD
= 3.3V ±5%, T
SCLK
SCLK
SDO
NOTE 1: OCES =1 AND ICES = 0.
NOTE 2: OCES = 0 AND ICES = 1.
CS
SDI
1
2
PARAMETER
A
= 0°C to +70°C for DS21Q50L; V
t
t
SSS
CSS
LSB
t
HIGH Z
SSH
t
SRF
SYMBOL
t
t
DD
t
t
t
t
t
t
81 of 87
t
t
CSH
MSB
CSS
SSH
SLH
LSC
SSV
SSH
SSS
SRF
CM
= 3.3V ±5%, T
t
SLH
LSB
LSB
MIN
200
250
50
50
50
50
A
= -40°C to +85°C for DS21Q50N.)
t
SSV
TYP
100
100
MAX
50
50
MSB
t
MSB
LSC
t
SSH
t
CM
HIGH Z
t
UNITS
CSH
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns