SAA7385 Datasheet, PDF (47/64 Pages) NXP Semiconductors – Error correction and host interface IC for CD-ROM SEQUOIA

Philips Semiconductors
Error correction and host interface IC for
CD-ROM (SEQUOIA)
Preliminary specification
SAA7385
14 LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
SYMBOL
PARAMETER
V_DD
V_i(max)
V_o
T_stg
digital supply voltage
maximum input voltage on any pin
output voltage on any output
storage temperature
MIN.
−0.5
V_SS − 0.5
−0.5
−55
MAX.
+7
V_DD + 0.5
+7
+150
UNIT
V
V
V
°C
15 OPERATING CHARACTERISTICS
15.1 I²S-bus timing; data mode
V_DD = 4.75 to 5.25 V; V_SS = 0 V; T_amb = −10 to +70 °C; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
I²S-bus timing (single speed × n); see Fig.13 and note 1
CLOCK INPUT: CLAB
T_cy
output clock period sample rate = f_s −
472.4/n
−
ns
sample rate = 2 f_s −
236.2/n
−
ns
sample rate = 4 f_s −
118.1/n
−
ns
t_CH
clock HIGH time
sample rate = f_s 166/n
−
−
ns
sample rate = 2f_s 83/n
−
−
ns
sample rate = 4f_s 42/n
−
−
ns
t_CL
clock LOW time
sample rate = f_s 166/n
−
−
ns
sample rate = 2f_s 83/n
−
−
ns
sample rate = 4f_s 42/n
−
−
ns
INPUTS: DAAB, WSAB AND EFAB
t_su
set-up time
sample rate = f_s 95/n
−
−
ns
sample rate = 2f_s 48/n
−
−
ns
sample rate = 4f_s 24/n
−
−
ns
t_h
hold time
sample rate = f_s 95/n
−
−
ns
sample rate = 2f_s 48/n
−
−
ns
sample rate = 4f_s 24/n
−
−
ns
Note
1. The I²S-bus timing is directly related to the overspeed factor ‘n’ in the normal operating mode. In the lock-to-disc
mode ‘n’ is replaced by the disc speed factor ‘d’.
1996 Jun 19
47