XC4028EX-3HQ208C Xilinx Inc, XC4028EX-3HQ208C Datasheet - Page 59

• Manufacturer Part Number: XC4028EX-3HQ208C
• Description: IC FPGA 1024 CLB'S 208-HQFP
• Manufacturer: Xilinx Inc
• Series: XC4000E/Xr

Specifications of XC4028EX-3HQ208C

• Number Of Logic Elements/cells: 2432
• Number Of Labs/clbs: 1024
• Total Ram Bits: 32768
• Number Of I /o: 160
• Number Of Gates: 28000
• Voltage - Supply: 4.75 V ~ 5.25 V
• Mounting Type: Surface Mount
• Operating Temperature: 0°C ~ 85°C
• Package / Case: 208-BFQFP Exposed Pad
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 122-1127

Figure 55: Master Parallel Mode Programming Switching Characteristics
May 14, 1999 (Version 1.6)
Notes: 1. At power-up, Vcc must rise from 2.0 V to Vcc min in less than 25 ms, otherwise delay configuration by pulling PROGRAM
This timing diagram shows that the EPROM requirements are extremely relaxed. EPROM access time can be longer than
500 ns. EPROM data output has no hold-time requirements.
(output)
(output)
(output)
(output)
A0-A17
D0-D7
DOUT
RCLK
CCLK
RCLK
2. The first Data byte is loaded and CCLK starts at the end of the first RCLK active cycle (rising edge).
Low until Vcc is valid.
R
Delay to Address valid
Data setup time
Data hold time
Product Obsolete or Under Obsolescence
Description
XC4000E and XC4000X Series Field Programmable Gate Arrays
Address for Byte n
1
2
3
Symbol
7 CCLKs
T
T
T
DRC
RCD
RAC
2 T
Byte
DRC
Min
60
0
0
Byte n - 1
D6
Address for Byte n + 1
1 T
3 T
CCLK
RAC
Max
RCD
200
D7
Units
ns
ns
ns
X6078
6-63
6