參數(shù)資料
型號(hào)： LC8954
元件分類： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PQFP128
封裝： QFP-128
文件頁(yè)數(shù)： 4/7頁(yè)
文件大?。?/td> 50K
代理商： LC8954
Electrical Characteristics
DC Characteristics at Ta = –30 to +70°C, VSS = 0 V, VDD = 4.5 to 5.5 V
Note: (1) WFCK, SBSO, SCOR, ZRESET, ZUDS, ZLDS, ZAS, R/W, ZACK0, ZACK1, ZRD, ZWR, ZCS
(2) SD0 to 7, IO0 to 7, ERA, ZDONE
(3) ZDTACK, D0 to 15
(4) ZINT, ZDONE, ZHINT0, ZHINT1
Pin Assignment
Type: I: Input pin, O: Output pin, B: Bi-directional pin, P: Power supply pin
No. 4127-4/7
LC8954
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Input high level voltage
VIH1
TTL level: all input pins other than (1), (2),
2.2
V
and EXTAL
Input low level voltage
VIL1
TTL level: all input pins other than (1), (2),
0.8
V
and EXTAL
Input high level voltage
VIH2
TTL level, Schmitt: (1)
2.5
V
Input low level voltage
VIL2
TTL level, Schmitt: (1)
0.6
V
Input high level voltage
VIH3
TTL level, built-in pull-up resistor: (2)
2.5
V
Input low level voltage
VIL3
TTL level, built-in pull-up resistor: (2)
0.6
V
Output high level voltage
VOH1
IOH = –3 mA: All output pins other than
3.5
V
(3), (4) and XTAL
Output low level voltage
VOL1
IOH = 3 mA: All output pins other than
0.4
V
(3), (4) and XTAL
Output high level voltage
VOH2
IOH = –6 mA: (3)
2.4
V
Output low level voltage
VOL2
IOL = 6 mA: (3)
0.4
V
Output low level voltage
VOL3
IOL = 3 mA, open drain, built-in pull-up
0.4
V
resistor: (4)
Input leakage current
IL
V1 = VSS, VDD: All input pins other than (2)
–25
+25
A
Output leakage current
IOZ
When in high impedance output mode:
–100
+100
A
CDPORT0, CDPORT1, and D0 to D15
Pull-up resistance
RUP
(2), (4)
10
20
40
k
Pin No.
Pin
Type
Function
1
VDD
P
2
MSTEMON
O
3
MEMPHAS
O
Audio block monitor
4
MBITSPL
O
5
MSPLFRQ
O
6
OLRCK
O
7
ODATA
O
D/A converter output
8
OBCLK
O
9
SOC1
O
Output corresponding to the LC78835 or LC78835M
10
DACCK
O
16.9344 MHz (level A or B) or 8.4672 MHz (level C) output
11
RA0
O
12
RA1
O
13
RA2
O
RAM address outputs
14
RA3
O
15
RA4
O
16
RA5
O
17
VSS
P
18
RA6
O
19
RA7
O
20
RA8
O
21
RA9
O
RAM address outputs
22
RA10
O
23
RA11
O
24
RA12
O
25
ADPCLK
I
AD PCM block clock input
Continued on next page.
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