LC83025E Datasheet, PDF (8/15 Pages) Sanyo Semicon Device – Digital Signal Processor for Karaoke Products

LC83025E
Electrical Characteristics 1
at Ta = –30 to +70°C, all V_DD = 4.75 to 5.25 V, all V_SS = 0 V unless otherwise specified
Parameter
Symbol
Conditions
min
typ
max
Unit Note
Input low level current
Input high level current
Output high level voltage
Output low level voltage
Output off leakage current
I/O capacitance
[Audio Data Output Timing]
I_IL1
RES, V_IN = V_SS (Input pins with built-in pull-up resistor)
I_IL2
P0 to P2, V_IN = V_SS
I_IL3
Other input-only pins
I_IH1
SELC, SAIF, SAOF, V_IN = V_DD
(Input pins with built-in pull-down resistor)
–250
–10
–10
–100
100
250
I_IH2
I_IH3
V_OH1
V_OH2
V_OL1
V_OL2
I_OFF
C_IO
P0 to P2, V_IN = V_DD (n-channel transistor: off)
Other input-only pins
I_OH = –0.4 mA
I_OH = –50 µA
I_OL = 2 mA
I_OL = 10 mA
V_O = V_SS, V_DD
10
10
4.0 4.98
V_DD – 1.2 4.997
0.065
0.4
0.32
1.5
–40
+40
10
µA
8
µA
µA
µA
8
µA
µA
V
1, 8
V 2, 3, 8
V
1, 8
V 2, 3, 8
µA
pF
Output data hold time
Output data delay time
[External DRAM Access Timing]
t_OH
BCKO and ASO: shown in Figure 7.
t_OD
–30
ns
7
50
ns
7
RAS high pulse width
RAS low pulse width
CAS high pulse width
CAS low pulse width
CAS cycle time
RAS to CAS delay time
CAS hold time
RAS hold time
RAS address setup time
RAS address hold time
CAS address setup time
CAS address hold time
DWRT pulse width
Write command setup time
Write command hold time
Output data setup time
Output data hold time
Crystal oscillator
t_RP
t_RAS
t_CP
t_CAS
t_PC
t_RCD
t_CSH
t_RSH
t_ASR
t_RAH
t_ASC
t_CAH
t_WP
t_WCS
t_WCH
t_DSO
t_DHO
C1
C2
Timing for output to the external DRAM.
Shown in Figure 8.
OSC1 and OSC2: shown in Figure 2.
80
700
50
95
175
60
170
95
60
20
30
90
95
12
65
30
100
13
29
ns
7
ns
7
ns
7
ns
7
ns
7
ns
7
ns
7
ns
7
ns
7
ns
7
ns
7
ns
7
ns
7
ns
7
ns
7
ns
7
ns
7
pF
8
pF
8
Current drain
L
I_DD
V_DD1, V_DD2, V_DD3; oscillator frequency: 33.8688 MHz
1.5
µH
8
60
95
mA
9
No. 4977-8/15