IDT77V400 Integrated Device Technology, IDT77V400 Datasheet - Page 14

• Manufacturer Part Number: IDT77V400
• Description: 1.24 Gbps Switching Memory **not Recommended For New Designs**
• Manufacturer: Integrated Device Technology

IDT77V011
DRxDATA[3:0]
DRxCLK
DRxFRM
DTxCLK
(output)
DTxFRM
DTxDATA[3:0]
DTxCLK
(output)
output)
(output)
DTxFRM
DTxDATA[3:0]
(input/
(input)
(input)
(output)
(input)
(input)
104
bit 7
bit 7
104
VPI[3:0]
VPI[3:0]
GFC
GFC
105
Figure 10 Nibble Mode Back-to-Back Cell Transfer on Transmit DPI Bus
105
Figure 8 Nibble Mode Back-to-Back Cell Transfer on Receive DPI Bus
Figure 9 Nibble Mode One Cell Transfer on Transmit DPI Bus
VPI[11:4]
VPI[11:4]
0
0
0
VPI[15:12]
VPI[15:12]
Figure 11 UTOPIA to DPI Conversion
VPI[7:4]
VPI[7:4]
1
1
1
bit 0
bit 0
14 of 43
2
2
2
bit 3
bit 7
3
VPI[11:8]
3
VPI[3:0]
3
GFC
VPI[7:4]
VPI[3:0]
103
GFC
103
103
VPI[15:12]
VPI[7:4]
VPI[7:4]
104
104
104
bit 0
bit 0
105
105
105
March 15, 2001
5348drw12
5348drw10
5348drw11
0
0
.