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Ordering number : ENA0258
Monolithic Linear IC
LA79200V
Overview
For extention of I2C-BUS compatible microcomputer I/O port
This LA79200V is a for extention of I2C-BUS compatible microcomputer I/O port.
Functions
* 8 bit Expanded I/O port with LED Driver * 2 bit DACx2
Specifications
Maximum Ratings at Ta = 25C
Parameter Maximum supply voltage Allowable power dissipation Operating temperature Storage temperature Symbol V1 max Pd max Topr Tstg Ta 65C Conditions Ratings 7.0 300 -10 to +65 -55 to +150 Unit V mW C C
* Mounted on a board : 114.3x76.1x1.6mm3, glass epoxy.
Operating Conditions at Ta = 25C
Parameter Recommended supply voltage Operating supply voltage range Symbol V1 V1 op Conditions Ratings 5.0 4.5 to 5.5 Unit V V
Any and all SANYO Semiconductor products described or contained herein do not have specifications
SANYO Semiconductor assumes no responsibility for equipment failures that result from using products
that can handle applications that require extremely high levels of reliability, such as life-support systems, aircraft's control systems, or other applications whose failure can be reasonably expected to result in serious physical and/or material damage. Consult with your SANYO Semiconductor representative nearest you before using any SANYO Semiconductor products described or contained herein in such applications. at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all SANYO Semiconductor products described or contained herein.
N2206 MS PC B8-7544 No.A0258-1/8
LA79200V
Electrical Characteristics at Ta = 25C, V1 = 5V
Parameter [Circuit voltage, current] Supply current Supply voltage [SCL input/SDA input output] LOW level input voltage HIGH level input voltage DATA saturation voltage [I/O s] LOW level input voltage HIGH level input voltage LOW level saturation voltage [Slave address select] LOW level input voltage [D/A output] D/A LOW level output voltage D/A MID1 level output voltage D/A MID2 level output voltage D/A HIGH level output voltage Notes (1) Write "Hi" in the register of each port with IIC Bus when using each port as an input. (2) Clock rate of IIC Bus can be used at 400kHz or less. VDAL VDAM1 VDAM2 VDAH 0 1.7 2.7 3.8 2 3 4.1 0.3 2.3 3.3 4.4 V V V V VAiL 0 0.8 V VIOiL VIOiH VIOsat 0 3.5 0.8 5.0 0.35 V V V ViL ViH VDAsat 0 3.5 0.8 5.0 0.35 V V V I1 V1 V1=5V 7.2 4.5 8.0 5.0 8.8 5.5 mA V Symbol Conditions Ratings min typ max Unit
Package Dimensions
unit : mm 3178B
5.2 16 9
4.4
6.4
1 0.65 (0.33)
8 0.15 0.22
1.5max
SANYO : SSOP16(225mil)
0.1 (1.3)
0.5
No.A0258-2/8
LA79200V
Test Conditions at Ta = 25C, VCC = V1 = 5.0V
Parameter [Circuit voltage, current] Supply current (pin 1) I1 IC Add: Apply a voltage of 5.0V to pin 1 and measure the incoming DC current (mA). Initial Symbol Test point Input signal Test method Bus conditions
1
0111 1100 Sub Add: 0000 0000 Data Add: 0000 0000
[SCL input/SDA input output] LOW level input voltage ViL IC Add: Measure the DC voltage at LOW level of the signal entered in pins 15 and 16. Initial 0111 1100 Sub Add: 0000 0000
15 16
HIGH level input voltage ViH
Data Add: 0000 0000 IC Add: Measure the DC voltage at HIGH level of the signal entered in pins 15 and 16. Initial 0111 1100 Sub Add: 0000 0000
15 16
DATA pin saturation voltage VDAsat
Data Add: 0000 0000 IC Add: Allow 3.3mA to flow through DATA pin and measure the DC voltage when ACK is returned. Initial
16
[I/O s] LOW level input voltage VIOiL
0111 1101
IC Add:
Measure the DC voltage of pins 5 to 8 and 10 to 13.
Initial
5 to 8 10 to 13
HIGH level input voltage VIOiH
0111 1100 Sub Add: 0000 0000 Data Add: 0000 0000
IC Add:
Measure the DC voltage of pins 5 to 8 and 10 to 13.
PEX0:1 PEX1:1 PEX2:1 PEX3:1 PEX4:1 PEX5:1 PEX6:1 PEX7:1
5 to 8 10 to 13
0111 1100 Sub Add: 0000 0000 Data Add: 1111 1111
Continued on next page.
No.A0258-3/8
LA79200V
Continued from preceding page. Parameter LOW level saturation voltage Symbol VIOsat Test point Input signal IC Add: 0111 1100 Sub Add: Test method Measure the DC voltage when 3.3mA is allowed to flow through pin 13. Bus conditions Initial
5 to 8 10 to 13
[D/A output] D/A output voltage H VDAH
0000 0000 Data Add: 0000 0000
IC Add:
Measure the DC voltage of pins 5 to 8 and 10 to 13.
Initial
2 3
D/A output voltage MID2 VDAM2
0111 1100 Sub Add: 0000 0001 Data Add: 0000 0000 IC Add:
Measure the DC voltage of pins 5 to 8 and 10 to 13.
DA.OUTPUT_1:1 DA.OUTPUT_2:1
2 3
D/A output voltage MID1 VDAM1
0111 1100 Sub Add: 0000 0001 Data Add: 0100 0100 IC Add:
Measure the DC voltage of pins 5 to 8 and 10 to 13.
DA.OUTPUT_1:2 DA.OUTPUT_2:2
2 3
D/A output voltage L VDAL
0111 1100 Sub Add: 0000 0001 Data Add: 1000 1000 IC Add:
Measure the DC voltage of pins 5 to 8 and 10 to 13.
DA.OUTPUT_1:3 DA.OUTPUT_2:3
2 3
0111 1100 Sub Add: 0000 0001 Data Add: 1100 1100
No.A0258-4/8
LA79200V
IIC input/output conditions at Ta = 25C, VCC = 5V
Parameter SCL Frequency BUS free time between stop - start HOLD time of start, restart condition L time of SCL H time of SCL Set-up time of restart condition HOLD time of SDA Set-up time of SDA Rising time of SDA, SCL Falling time of SDA, SCL Refer to figure 1 (Note) Cb : Total capacitance of all BUS (Unit : pF) Symbol FSCL tBUF tHD;STA tLOW thigh tSU;STA tHD;DAT tSU;DAT tR tF Standard min 0 4.7 4.0 4.7 4.0 4.7 0 250 1000 300 max 100 min 0 1.3 0.6 1.3 0.6 0.6 0 100 20+0.1Cb 20+0.1Cb 300 300 0.9 High speed max 400 Unit kHz s s s s s s ns ns ns
IIC BUS INPUT Timing
IIC timing Pin Assignment
PIN 1 2 3 4 5 6 7 8 FUNCTION VCC 5V DA Output 0 DA Output 1 N.C. I/O 7 I/O 6 I/O 5 I/O 4 PIN 16 15 14 13 12 11 10 9 FUNCTION SDA CLK ADDRESS I/O 0 I/O 1 I/O 2 I/O 3 GND
No.A0258-5/8
LA79200V
BUS Control Register Bit Allocation
IC Address (WRITE) : 011111A0
BUS Control Register Bit Allocation Map
Control Register Bit Allocations Sub Address MSB DA0 Bit7 0000 0000 PEX7 0 0000 0001 0 DA Output 0 0 DA1 Bit6 PEX6 0 DA2 Bit5 PEX5 0 0 DATA BITS DA3 Bit4 PEX4 0 DA4 Bit3 PEX3 0 DA Output 0 0 DA5 Bit2 PEX2 0 DA6 Bit1 PEX1 0
2002.12.27
LSB DA7 Bit0 PEX0 0
(Bits are transmitted in this order.)
BUS Control Register Bit Allocation Map
Status Register Bit Allocations MSB DA0 Bit7 Status 1 PEX7 Status 2 (PEX7) Note (1) "A" in the IC address is set by PIN14, Address. (2) For the Read Status, the first 1 byte of two bytes that have been read is used. (Attempt to read only the first 1 byte may cause failure of occurrence of the STOP condition.). DA1 Bit6 PEX6 (PEX6) DA2 Bit5 PEX5 (PEX5) DATA BITS DA3 Bit4 PEX4 (PEX4) DA4 Bit3 PEX3 (PEX3) DA5 Bit2 PEX2 (PEX2)
IC Address (READ) : 011111A1
LSB DA6 Bit1 PEX1 (PEX1) DA7 Bit0 PEX0 (PEX0)
Bus Control Register Truth Table
Control Register Truth Table Register Name PEX 0 PEX 1 PEX 2 PEX 3 PEX 4 PEX 5 PEX 6 PEX 7 DA OUTPUT_1 DA OUTPUT_2 0 HEX Low Low Low Low Low Low Low Low High High 1 HEX High High High High High High High High Mid 2 Mid 2 Mid 1 Mid 1 Low Low 2 HEX 3 HEX
Bus Control Register Truth Table
Status Byte Truth Table Register Name PEX 0 PEX 1 PEX 2 PEX 3 PEX 4 PEX 5 PEX 6 PEX 7 0 HEX Low Low Low Low Low Low Low Low 1 HEX High High High High High High High High 2 HEX 3 HEX
No.A0258-6/8
LA79200V
BUS Initial Conditions
Initial Test Conditions Register PEX 0 PEX 1 PEX 2 PEX 3 PEX 4 PEX 5 PEX 6 PEX 7 DA OUTPUT_1 DA OUTPUT_2 0 HEX 0 HEX 0 HEX 0 HEX 0 HEX 0 HEX 0 HEX 0 HEX 0 HEX 0 HEX
BUS Control Register Descriptions
Control Register Descriptions Register Name PEX 0 PEX 1 PEX 2 PEX 3 PEX 4 PEX 5 PEX 6 PEX 7 DA OUTPUT_1 DA OUTPUT_2 Bits 1 1 1 1 1 1 1 1 2 2 I/O PORT SW I/O PORT SW I/O PORT SW I/O PORT SW I/O PORT SW I/O PORT SW I/O PORT SW I/O PORT SW D/A OUTPUT SW D/A OUTPUT SW General Description
No.A0258-7/8
LA79200V
Test Circuit
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This catalog provides information as of November, 2006. Specifications and information herein are subject to change without notice. PS No.A0258-8/8

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