saa7274 NXP Semiconductors, saa7274 Datasheet - Page 11

• Manufacturer Part Number: saa7274
• Description: Audio Digital Input Circuit Adic
• Manufacturer: NXP Semiconductors

Delay times are specified from clock input = 50% V
Philips Semiconductors
AC CHARACTERISTICS
V
T
Load capacitance (C
all other outputs = 20 pF.
Clock frequency f
IOSCL timing pulse LOW, t
Note
1. Clock periods of OSCL.
July 1991
Set-up and hold times
IWSEL to IDACL
Data set-up time
Data hold time
Propagation delays
IOSCL to OSCL
IDACL to OSDA
OSCL to OWSY and ODCL
Rise and fall times
OSCL
Rise and fall time
Rise and fall time
OWSY and ODCL
Rise and fall time
Rise and fall time
DD
amb
Audio Digital Input Circuit (ADIC)
= 4.5 to 5.5 V.
= 40 to +70 C.
PARAMETER
IOSCL
L
): OSCL = 50 pF; OWSY, ODCL and OSDA = 30 pF (see application note);
=
12.5 MHz.
LOW
see Fig.5
TTL levels = 0.4 to 2 V
CMOS levels = 10 to 90% V
TTL levels = 0.4 to 2 V
CMOS levels = 10 to 90% V
37 ns; rise and fall times t
CONDITIONS
Fig.5 Set-up and hold time diagram.
DD
to output = 50% V
11
r
DD
DD
and t
f
t
t
t
t
t
t
t
t
t
SYMBOL
=
SU
HD
p
p
p
r
r
r
r
, t
, t
, t
, t
f
f
f
f
10 ns.
DD
; unless otherwise specified
1
5
MIN.
TYP.
Product specification
1
25
60
50
10
15
15
25
MAX.
SAA7274
note 1
note 1
ns
ns
ns
ns
ns
ns
ns
UNIT