XC4028EX-4BG352I Xilinx Inc, XC4028EX-4BG352I Datasheet - Page 17

• Manufacturer Part Number: XC4028EX-4BG352I
• Description: FPGA XC4000E Family 28K Gates 2432 Cells 0.35um Technology 5V 352-Pin BGA
• Manufacturer: Xilinx Inc

Specifications of XC4028EX-4BG352I

• Package: 352BGA
• Family Name: XC4000E
• Device Logic Gates: 28000
• Device Logic Units: 2432
• Device System Gates: 50000
• Number Of Registers: 2560
• Typical Operating Supply Voltage: 5 V
• Maximum Number Of User I/os: 256
• Ram Bits: 32768
• Re-programmability Support: Yes

May 14, 1999 (Version 1.6)
Figure 15: Simplified Block Diagram of XC4000E IOB
Figure 16: Simplified Block Diagram of XC4000X IOB (shaded areas indicate differences from XC4000E)
Clock Enable
Output Clock
Input Clock
Enable
Output
Clock
Clock
Clock
Input
Out
R
Out
T
I
I
1
2
I
I
T
1
2
Product Obsolete or Under Obsolescence
XC4000E and XC4000X Series Field Programmable Gate Arrays
Output MUX
Flip-Flop
D
CE
Q
CE
Latch
Flop/
Flip-
Q
D
0
1
Flip-Flop/
CE
Q
Latch
Flip-Flop
D
CE
D
Q
Delay
Capture
Latch
Fast
Slew Rate
Control
Delay
Buffer
Input
Q
Latch
D
G
Delay
Output
Buffer
Buffer
Input
Slew Rate
Pull-Down
Output
Control
Buffer
Pull-Up/
Passive
Pull-Down
Passive
Pull-Up/
X6704
Pad
X5984
Pad
6-21
6