From old datasheet system QPRO Family of XC1700D QML Configuration PROMs QPRO家庭的PROM配置的XC1700D QML QPRO Family of XC1700D QML Configuration PROMs 64K X 1 CONFIGURATION MEMORY, CDIP8 Cascadable for storing longer or multiple bitstreams QPRO Family of XC1700D QML