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1998 Feb 16 27
Philips Semiconductors Product specification
CMOS digital decoding IC with RAM for
Compact Disc
SAA7345
Digital inputs PORE, V1 and V2
V
thr
switching threshold voltage rising −−0.8V
DD
V
V
thf
switching threshold voltage falling 0.2V
DD
−−V
V
hys
hysteresis voltage − 0.33V
DD
− V
R
PU
input pull-up resistance V
I
=0V − 50 − kΩ
C
I
input capacitance −−10 pF
t
rw
reset pulse width PORE only 1 −−µs
Digital outputs CL16 and CLA
V
OL
LOW level output voltage I
OL
= 1 mA 0 − 0.4 V
V
OH
HIGH level output voltage I
OH
= −1mA V
DD
− 0.4 − V
DD
V
C
L
load capacitance −−50 pF
t
r
output rise time C
L
= 20 pF; note 1 −−15 ns
t
f
output fall time C
L
= 20 pF; note 1 −−15 ns
Digital outputs V4 and V5
V
OL
LOW level output voltage V
DD
= 4.5 to 5.5 V;
I
OL
=10mA
0 − 1.0 V
V
DD
= 3.4 to 5.5 V;
I
OL
=5mA
0 − 1.0 V
V
OH
HIGH level output voltage V
DD
= 4.5 to 5.5 V;
I
OH
= −10 mA
V
DD
− 1 − V
DD
V
V
DD
= 3.4 V to 5.5 V;
I
OH
= −5 mA
V
DD
− 1 − V
DD
V
C
L
load capacitance −−50 pF
t
r
output rise time C
L
= 20 pF; note 1 −−15 ns
t
f
output fall time C
L
= 20 pF; note 1 −−15 ns
Open-drain output CFLG
V
OL
LOW level output voltage I
OL
= 1 mA 0 − 0.4 V
I
OL
LOW level output current −−2mA
C
L
load capacitance −−50 pF
t
f
output fall time C
L
= 20 pF; note 1 −−30 ns
Open-drain outputs KILL and V3
V
OL
LOW level output voltage I
OL
= 1 mA 0 − 0.4 V
I
OL
LOW level output current −−2mA
C
L
load capacitance −−50 pF
t
f
output fall time C
L
= 20 pF; note 1 −−15 ns
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT