参数资料
型号: XC3000LSERIES
厂商: Xilinx, Inc.
英文描述: Field Programmable Gate Arrays
中文描述: 现场可编程门阵列
文件页数: 25/76页
文件大小: 731K
代理商: XC3000LSERIES
R
November 9, 1998 (Version 3.1)
7-33
XC3000 Series Field Programmable Gate Arrays
7
Program Readback Switching Characteristics
Notes:
1. During Readback, CCLK frequency may not exceed 1 MHz.
2. RETRIG (M0 positive transition) shall not be done until after one clock following active I/O pins.
3. Readback should not be initiated until configuration is complete.
4. TCCLR is 5 s min to 15 s max for XC3000L.
1 TRTH
5
3
4
2
TCCL
TCCRD
TCCL
TRTCC
DONE/PROG
(OUTPUT)
X6116
RTRIG (M0)
CCLK(1)
VALID
READBACK OUTPUT
HI-Z
VALID
READBACK OUTPUT
M1 Input/
RDATA Output
Description
Symbol
Min
Max
Units
RTRIG
RTRIG High
1
TRTH
250
ns
CCLK
RTRIG setup
RDATA delay
High time
Low time
2
3
4
5
TRTCC
TCCRD
TCCHR
TCCLR
200
0.5
100
5
ns
s
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