UDA1345 PHILIPS [NXP Semiconductors], UDA1345 Datasheet - Page 20

• Manufacturer Part Number: UDA1345
• Description: Economy audio CODEC
• Manufacturer: PHILIPS [NXP Semiconductors]

Philips Semiconductors
AC CHARACTERISTICS (DIGITAL)
V
(pins 1, 11, 22 and 27); unless otherwise specified.
2000 Apr 18
System clock timing; see Fig.7
T
t
t
t
t
Serial input/output data timing; see Fig.8
t
t
t
t
t
t
t
t
t
t
t
t
Address and data transfer mode timing; see Figs 4 and 5
T
t
t
t
t
t
t
CWL
CWH
r
f
BCK
BCKH
BCKL
r
f
s(DATAI)
h(DATAI)
d(DATAO BCK)
d(DATAO WS)
h(DATAO)
s(WS)
h(WS)
HC
LC
s(MA)
h(MA)
s(MT)
h(MT)
DDD
SYMBOL
sys
cy
Economy audio CODEC
= V
DDA
= V
system clock cycle
f
f
rise time
fall time
bit clock period
bit clock HIGH time
bit clock LOW time
rise time
fall time
data input set-up time
data input hold time
data output delay time (from BCK
falling edge)
data output delay time (from WS edge) MSB-justified format
data output hold time
word select set-up time
word select hold time
L3CLOCK cycle time
L3CLOCK HIGH period
L3CLOCK LOW period
L3MODE set-up time
L3MODE hold time
L3MODE set-up time
L3MODE hold time
sys
sys
DDO
LOW-level pulse width
HIGH-level pulse width
= 2.7 to 3.6 V; T
PARAMETER
amb
= 20 to +85 C; R
f
f
f
f
f
f
f
address mode
address mode
data transfer mode
data transfer mode
sys
sys
sys
sys
sys
sys
sys
20
= 256f
= 384f
= 512f
< 19.2 MHz
< 19.2 MHz
CONDITIONS
L
19.2 MHz
19.2 MHz
= 5 k ; all voltages referenced to ground
s
s
s
; note 1
; note 1
; note 2
39
26
36
0.30T
0.40T
0.30T
0.40T
1
34
34
20
0
0
20
10
500
250
250
190
190
190
190
128
MIN.
f
s
sys
sys
sys
sys
88
59
44
TYP.
Preliminary specification
UDA1345TS
781
520
390
0.70T
0.60T
0.70T
0.60T
20
20
20
20
80
80
MAX.
sys
sys
sys
sys
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
UNIT