YMF743 Datasheet, PDF (18/24 Pages) YAMAHA CORPORATION – AC’97 Revsion2.1 Audio CODEC with Digital Audio I/F

YMF743
4. AC Characteristics
4-1. Reset
Parameter
Symbol Min. Typ. Max. Unit
Cold Reset (SDATA_OUT=“L”, SYNC=“L”)
RESET# active low pulse width
Trst_low 1.0
-
-
µs
RESET# inactive to BIT_CLK start up delay Trst2clk 162.8
-
-
ns
Warm Reset
SYNC active high pulse width
Tsync_high 1.0
-
-
µs
SYNC inactive to BIT_CLK start up delay
Tsync2clk 162.8
-
-
ns
Note) T_OP=25°C, AV_DD=5.0V, Capacitor load=50pF
Cold Reset
RESET#
Trst_low
Trst2clk
VIL
BIT_CLK
Warm Reset
SYNC
BIT_CLK
Tsync_high
Tsync2clk
VIH
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December 18, 2000