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SA9205 PDF даташит

Спецификация SA9205 изготовлена ​​​​«Sames» и имеет функцию, называемую «6/3 X 8 PORT EXPANDER».

Детали детали

Номер произв SA9205
Описание 6/3 X 8 PORT EXPANDER
Производители Sames
логотип Sames логотип 

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SA9205 Даташит, Описание, Даташиты
sames
SA9203/5
6/3 X 8 PORT EXPANDER
FEATURES
n Six (SA9203) or three (SA9205) 8-Bit n Readback of all control and port
I/O Ports
registers
n Each bit of one port independently n Interfaces directly with multiplexed
programmable as input or output
address and data bus microprocessors/
n Five (SA9203) or two (SA9205)
microcontrollers
remaining ports can be individually n Internal address latch
configured as input or output. (Direction n Single +5V power supply
applicable to all 8 pins of each port.)
n Low power CMOS
n One 8-Bit port programmable as either
atched or transparent inputs
n Completely static operation
n Supports byte-wide and bit-wide I/O n TTL-level compatibility
port addressing modes on all ports
DESCRIPTION
The SAMES SA9203/5 Port Expander is a
CMOS device suited to microprocessor
based applications requiring input/output
port expansion. The device interfaces very
simply to any microcontroller/micro-
processor with a multiplexed address/data
bus structure.
The SA9203 includes 8 independently
programmable I/O pins for Port A and Port
B to F (5 ports) independently programmable
as I/O. It is packaged in a PCB efficient 68
pin PLCC package. The SA9205 includes
8 independently programmable I/O pins for
Port A with Port B and Port C as indepen-
dently programmable I/O, packaged in a
cost effective 44 pin PLCC package.
FIGURE 1: PIN CONNECTION FOR
SA9203
PA 0 10
PA 1 11
PA 2 12
PA 3 13
PA 4 14
PA 5 15
PA 6 16
PA 7 17
VDD 18
PB0 19
PB 1 20
PB2 21
PB3 22
PB4 23
PB5 24
PB6 25
PB7 26
9 8 7 6 5 4 3 2 1 68 67 66 65 64 63 62 61
SA9203
60 PF 7
59 PF 6
58 PF 5
57 PF 4
56 PF 3
55 PF 2
54 PF 1
53 PF 0
52 V DD
51 PE 7
50 PE 6
49 PE 5
48 PE 4
47 PE 3
46 PE 2
45 PE 1
44 PE 0
27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43
DR-01266
4491
PDS039-SA9203/5-001
REV. A
1/14
20-08-96









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SA9205 Даташит, Описание, Даташиты
SA9203/5
FIGURE 2: BLOCK DIAGRAM FOR SA9203
STB
ALE
CS
RD
WR
RST
INT
P
µ
Inter
face
PCROTNA
AD(7:0
PCROTNB
PAOR PA(7:
PBOR PB(7:
PCOR PC(7:
PDOR PD(7:
PEOR PE(7:
PFOR PF(7:
DR-01267
FIGURE 3: PIN CONNECTION FOR SA9205
2/14
2
65 43
1 44 43 42 41 40
ALE 7
RD 8
WR 9
INT 10
RST 11
V DD 12
STB 13
PA 0 14
PA 1 15
PA 2 16
PA 3 17
SA9205
18 19 20 21 22 23 24 25 26 27 28
39 PC7
38 PC6
37 PC 5
36 PC 4
35 PC 3
34 V DD
33 PC 2
32 PC1
31 PC 0
30 PB 7
29 PB6
DR-01268
sames









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SA9205 Даташит, Описание, Даташиты
FIGURE 4: BLOCK DIAGRAM FOR SA9205
STB
ALE
CS
RD
WR
RST
INT
µP
Inter-
face
CON
PRTA
PORT
A
PORT
B
PORT
C
PA(7:0)
PB(7:0)
PC(7:0)
AD(7:0)
CON.
PRTBC
SA9203/5
DR-01269
ABSOLUTE MAXIMUM RATINGS*
(All voltages are with respect to VSS)
Parameter
Symbol
Min
Max
Unit
Supply Voltage
Voltage on any pin
Current at any pin
Storage Temperature
Operating Temperature
V -V
DD SS
VM
IM
T
STG
T
O
V
SS
VSS-0.3
-40
0
7,0
VDD+0.3
100
+125
+70
V
V
mA
°C
°C
* Stresses above those listed under “Absolute Maximum Ratings” may cause permanent
damage to the device. This is a stress rating only. Functional operation of the device
at these or any other condition above those indicated in the operational sections of this
specification, is not implied. Exposure to Absolute Maximum Ratings for extended
periods may affect device reliability.
sames
3/14










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