SAA5249 Ver la hoja de datos (PDF) - Philips Electronics
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componentes Descripción
Fabricante
SAA5249
Philips Electronics
SAA5249 Datasheet PDF : 44 Pages
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Philips Semiconductors
Integrated VIP and Teletext with
Background Memory Controller
Preliminary specification
SAA5249
PIN
SYMBOL
SOT240-1 SOT319-1(1)
DESCRIPTION
Y
SCL
SDA
A5
A2
A6
A1
A7
A0
VSS4
A8
A9
RAS
R/W
D2
D0
SEL2
SEL1
D3
D1
29
62
dot rate character output of teletext foreground colour information; open
drain output
30
63
serial clock input for I2C-bus; it can still be driven HIGH during power-down
of the device
31
64
serial data port for the I2C-bus; open drain output. It can still be driven
HIGH during power-down of the device
32
4
address output to external DRAM for BMCX function
33
5
address output to external DRAM for BMCX function
34
6
address output to external DRAM for BMCX function
35
8
address output to external DRAM for BMCX function
36
9
address output to external DRAM for BMCX function
37
11
address output to external DRAM for BMCX function
38
43
0 V ground
39
13
address output to external DRAM for BMCX function
40
14
address output to external DRAM for BMCX function
41
15
row address select to external DRAM
42
18
read/write for external DRAM
43
19
data input/output for external DRAM
44
20
data input/output for external DRAM
45
21
RAM select input to choose external DRAM size
46
22
RAM select input to choose external DRAM size
47
23
data input/output for external DRAM
48
24
data input/output for external DRAM
Note
1. The remaining pins for SOT319 are not connected.
1996 Nov 07
5
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