74SSTUBF32868ABKG IDT, Integrated Device Technology Inc, 74SSTUBF32868ABKG Datasheet - Page 8

• Manufacturer Part Number: 74SSTUBF32868ABKG
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of 74SSTUBF32868ABKG

• Logic Family: SSTU
• Logical Function: Registered Buffer
• Number Of Elements: 1
• Number Of Bits: 28
• Number Of Inputs: 28
• Number Of Outputs: 56
• High Level Output Current: -6mA
• Low Level Output Current: 6mA
• Propagation Delay Time: 3ns
• Operating Supply Voltage (typ): 1.8V
• Operating Supply Voltage (max): 1.9V
• Operating Supply Voltage (min): 1.7V
• Clock-edge Trigger Type: Posit/Negat-Edge
• Polarity: Invert/Non-Invert
• Technology: CMOS
• Frequency (max): 410(Min)MHz
• Mounting: Surface Mount
• Pin Count: 176
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Lead Free Status / RoHS Status: Compliant

Function Table
28-BIT CONFIGURABLE REGISTERED BUFFER FOR DDR2
IDT74SSTUBF32868A
28-BIT CONFIGURABLE REGISTERED BUFFER FOR DDR2
RESET
1
2
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
H = HIGH Voltage Level
L = LOW Voltage Level
X = Don’t Care
↑ = LOW to HIGH
↓ = HIGH to LOW
Output Level before the indicated steady-state conditions were established.
Floating
DCS0
X or
H
H
H
H
H
H
L
L
L
L
L
L
L
L
L
Floating
DCS1
X or
H
H
H
H
H
H
H
H
H
L
L
L
L
L
L
CSGEN
Floating
Inputs
X or
X
X
X
X
X
X
X
X
X
H
H
H
L
L
L
1
Floating
L or H
L or H
L or H
L or H
L or H
CLK
X or
↑
↑
↑
↑
↑
↑
↑
↑
↑
↑
Floating
L or H
L or H
L or H
L or H
L or H
8
CLK
X or
↓
↓
↓
↓
↓
↓
↓
↓
↓
↓
X or Floating
Dx, DODT,
DCKE
H
X
H
X
H
X
H
X
H
X
L
L
L
L
L
COMMERCIAL TEMPERATURE GRADE
Q
Q
Q
Q
Q
Q
Q
Qn
H
H
H
H
L
L
L
L
L
0
0
0
0
0
0
0
2
2
2
2
2
2
2
QCS0 QCS1 QODT,
IDT74SSTUBF32868A
Q
Q
Q
Q
Q
L
0
0
0
0
0
Outputs
2
2
2
2
2
Q
Q
Q
Q
Q
L
0
0
0
0
0
2
2
2
2
2
QCKE
Q
Q
Q
Q
Q
L
0
0
0
0
0
2
2
2
2
2
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