SAA7382 Datasheet, PDF (33/60 Pages) NXP Semiconductors – Error correction and host interface IC for CD-ROM ELM

Philips Semiconductors
Error correction and host interface IC for
CD-ROM (ELM)
Preliminary specification
SAA7382
10 CHARACTERISTICS
V_DDD1 = 3.0 to 3.6 V; V_DDD2 = 4.5 to 5.5 V; V_SSD = 0; T_amb = 0 to 70 °C; unless otherwise stated.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX. UNIT
Supply
V_DDD1
V_DDD2
I_DDD
digital supply voltage 1
digital supply voltage 2
supply current
I_DDDq
quiescent supply current
Digital inputs
V_DDD1 = 3.3 V;
V_DDD2 = 5 V
V_DDD1 = 3.3 V;
V_DDD2 = 5 V
3.0
3.3
3.6
V
4.5
5.0
5.5
V
−
60
−
mA
−
100
−
mA
INPUT: RESET (CMOS INPUT)
V_th(r)
V_th(f)
V_hys
C_i
t_RW
switching threshold rising
switching threshold falling
hysteresis voltage
input capacitance
RESET pulse width
RESET only
−
−
0.2V_DDD2 −
0.8V_DDD2
V
−
V
−
0.33V_DDD2 −
V
−
−
10
pF
1
−
−
µs
INPUTS: SFSY, SUB, BCK, WS, DATA, C2PO, SCL, CS1/HEN, HWR, HRD, DA0/CMD, DMACK/SELRQ, DA1,
DA2/EJECT, CS2 AND SYN (CMOS INPUT)
V_IL
LOW level input voltage
V_IH
HIGH level input voltage
I_LI
input leakage current
V_i = 0 − V_DDD2
C_i
input capacitance
−0.3
−
0.7V_DDD2 −
−10
−
−
−
0.3V_DDD2 V
V_DDD2 + 0.3 V
+10
µA
10
pF
INPUTS: TEST1 AND TEST2 (CMOS INPUT)
V_IL
LOW level input voltage
V_IH
HIGH level input voltage
R_pd
input pull-down resistance V_i = V_DDD2
C_i
input capacitance
−0.3
−
0.7V_DDD2 −
−
50
−
−
0.3V_DDD2
V
V_DDD2 + 0.3 V
−
kΩ
10
pF
Digital outputs
OUTPUTS: RA0, RA1 TO RA14, RA15/RAS, RA16/CAS, RWE, RCK AND SCRST/STEN
V_OL
LOW level output voltage I_OL = 1 mA
V_OH
HIGH level output voltage I_OH = −1 mA
C_L
load capacitance
t_r
output rise time
C_L = 20 pF;
0.8 to (V_DDD2 − 0.8)
t_f
output fall time
C_L = 20 pF;
(V_DDD2 − 0.8) to 0.8
0
−
V_DDD2 − 0.4 −
−
−
−
−
−
−
0.4
V
V_DDD2
V
25
pF
10
ns
10
ns
1996 Apr 25
33