YMF740C Datasheet, PDF (39/44 Pages) List of Unclassifed Manufacturers – DS-1L

YMF740C
4. AC Characteristics
4-1. Master Clock (Fig.1)
Item
Symbol Min. Typ. Max. Unit
XI24 Cycle Time
t_XICYC
-
40.69
-
ns
XI24 High Time
t_XIHIGH
16
-
24
ns
XI24 Low Time
t_XILOW
16
-
24
ns
Note : Top = 0-70°C, PVDD=5.0±0.25 V, VDD5=5.0±0.25 V, VDD3=3.3±0.3 V, LVDD=3.3±0.3 V
XI24
3.5 V
2.5 V
1.0 V
t _XIHIGH
t _XILOW
t _XICYC
Fig.1: XI24 Master Clock timing
4-2. Reset (Fig.2)
Item
Symbol Min. Typ. Max. Unit
Reset Active Time after Power Stable
t_RST
1
-
Power Stable to Reset Rising Edge
t_RSTOFF
10
-
Reset Slew Rate
-
50
-
-
ms
-
ms
- mV/ns
Note : Top = 0-70°C, PVDD=5.0±0.25 V, VDD5=5.0±0.25 V, VDD3=3.3±0.3 V, LVDD=3.3±0.3 V, C_L=50 pF
PVDD, VDD5
LVDD, VDD3
RST#
4.75 V
3.0 V
t _RSTOFF
t _RST
0.6 V
Fig.2: PCI Reset timing
January 14, 1999
-39-