DS92LX2122SQE National Semiconductor, DS92LX2122SQE Datasheet - Page 12

• Manufacturer Part Number: DS92LX2122SQE
• Description: SERDES, 10-50MHZ, 48LLP
• Manufacturer: National Semiconductor

Specifications of DS92LX2122SQE

• Data Rate: 1.05Gbps
• No. Of Inputs: 1
• No. Of Outputs: 21
• Supply Voltage Range: 1.71V To 1.89V
• Driver Case Style: LLP
• No. Of Pins: 48
• Base Number: 2122
• Operating Temperature Range: -40°C To +85°C
• Serdes Function: Deserializer
• Ic Input Type: LVCMOS
• Ic Output Type: LVCMOS
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

www.national.com
RECOMMENDED INPUT TIMING REQUIREMENTS ()
f
f
f
t
t
t
t
t
t
t
C
SWITCHING CHARACTERISTICS ()
f
t
t
t
tSU:STA
t
t
t
t
t
t
SCL
LOW
HIGH
HD:STA
SU:STA
HD:DAT
SU:DAT
SU:STO
r
f
SCL
LOW
HIGH
HD:STA
HD:DAT
SU:DAT
SU:STO
f
BUF
TIMEOUT
Symbol
b
Bi-Directional Control Bus AC Timing Specifications (SCL, SDA) - I
Compliant (Figure 3)
Over recommended operating supply and temperature ranges unless otherwise specified.
SCL Clock Frequency
SCL Low Period
SCL High Period
Hold time for a start or a repeated start
condition
Set Up time for a start or a repeated
start condition
Data Hold Time
Data Set Up Time
Set Up Time for STOP Condition,
SCL & SDA Rise Time
SCL & SDA Fall Time
Capacitive load for bus
SCL Clock Frequency
SCL Low Period
SCL High Period
Hold time for a start or a repeated start
condition
Set Up time for a start or a repeated
start condition
Data Hold Time
Data Set Up Time
Set Up Time for STOP Condition
SCL & SDA Fall Time
Bus free time between a stop and start
condition
NACK Time out
Parameter
f
Serializer MODE = 0 – R/W Register
0x05 = 0x40'h
Deserializer MODE = 0 – READ
Register 0x06 b[6:4] = 0x00'h
Serializer MODE = 0 – R/W Register
0x05 = 0x40'h
Deserializer MODE = 0 – READ
Register 0x06 b[6:4] = 0x00'h
Serializer MODE = 0 – R/W Register
0x05 = 0x40'h
Deserializer MODE = 0 – READ
Register 0x06 b[6:4] = 0x00'h
Serializer MODE = 0 Register 0x05
= 0x40'h
Serializer MODE = 0 Register 0x05
= 0x40'h
Serializer M/S = 0
Serializer M/S = 0
Serializer
Deserializer
SCL
= 100 kHz
Conditions
12
Min
250
250
4.7
4.0
4.0
4.7
4.0
4.7
4.0
4.0
4.7
4.0
4.7
>0
0
0
Typ
100
100
25
1
2
1000
Max
3.45
3.45
100
300
400
300
C
Units
kHz
kHz
ms
pF
µs
µs
µs
µs
µs
ns
µs
ns
ns
μs
μs
μs
μs
μs
μs
μs
μs
µs