DS1710S Dallas Semiconductor, DS1710S Datasheet

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DS1710S

Manufacturer Part Number
DS1710S
Description
Partitioned NV Controller
Manufacturer
Dallas Semiconductor
Datasheet

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Part Number
Manufacturer
Quantity
Price
Part Number:
DS1710S
Manufacturer:
DALLAS
Quantity:
20 000
Company:
Part Number:
DS1710S
Quantity:
780
FEATURES
www.dalsemi.com
Converts CMOS RAMs into nonvolatile
memories
Automatically selects +3.0V or +5.0V
operation
SOIC version is pin-compatible with the
Dallas Semiconductor DS1210S and
DS1610S NV Controllers
Unconditionally write protects all of memory
when V
Write protects selected blocks of memory
regardless of V
Automatically switches to battery backup
supply when power-fail occurs
Provides for multiple batteries
Consumes less than 100 nA of battery current
Test battery on power-up by inhibiting the
second memory cycle
Optional 5% or 10% power-fail detection
16-pin DIP or 16-pin SOIC surface mount
package or 20-pin TSSOP package
Low forward voltage drop on the V
with currents of up to 150 mA
Optional industrial temperature range of
-40°C to +85°C
CC
is out of tolerance
CC
status when programmed
CC
switch
1 of 14
PIN ASSIGNMENT
PIN DESCRIPTION
V
V
V
V
GND
TOL
A
NC
CEI
CEO
WEI
WEO
DIS
PFO
CCI
BAT1
BAT2
CCO
W
- A
Partitioned NV Controller
Z
V
GND
V
16-Pin DIP and 16-Pin SOIC
TOL
DIS
V
GND
BAT1
V
CCO
TOL
A
A
A
DIS
BAT1
CCO
NC
NC
A
W
A
A
X
Y
W
X
Y
- Input 2.7 to 5.5 Volt Supply
- + Battery 1 Input
- + Battery 2 Input
- RAM Power (V
- Ground
- Chip Enable Input
- Chip Enable Output
- Write Enable Input
- Write Enable Output
- Power Supply Tolerance Select
- Address Inputs
- Memory Partition Disable
- Power-fail Output
- No Connect
20-Pin TSSOP
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
16
15
14
13
12
10
11
9
PFO
V
A
V
NC
NC
CEO
CEI
WEO
WEI
CEI
CCI
Z
BAT2
PFO
V
A
V
WEO
CEO
WEI
CC
CCI
Z
BAT2
) Supply
DS1710
111999

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DS1710S Summary of contents

Page 1

... FEATURES Converts CMOS RAMs into nonvolatile memories Automatically selects +3.0V or +5.0V operation SOIC version is pin-compatible with the Dallas Semiconductor DS1210S and DS1610S NV Controllers Unconditionally write protects all of memory when V is out of tolerance CC Write protects selected blocks of memory regardless of V status when programmed ...

Page 2

... Battery status can therefore be determined by performing a input pin is constantly monitored for an out-of-tolerance CCI ) disable pin is grounded and also incorporates the power-up auto sensing. pin of the DS1710S allows it to retrofit into DS1210S DIS and the write enable output PFO ...

Page 3

A subsequent write cycle can then be executed to the same memory location altering the data. If the next read cycle fails to verify the written ...

Page 4

PATTERN MATCH TO WRITE PARTITION REGISTER Table ...

Page 5

ABSOLUTE MAXIMUM RATINGS* Voltage on Any Pin Relative to Ground Operating Temperature Storage Temperature Soldering Temperature * This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the ...

Page 6

DC ELECTRICAL CHARACTERISTICS PARAMETER Operating Current Standby Current Supply Voltage Supply Current Input Leakage Output Leakage , Output @ 2.4V PFO WEO , Output @ 0.4V PFO WEO V Trip Point (TOL=GND Trip Point (TOL ...

Page 7

DC ELECTRICAL CHARACTERISTICS PARAMETER Operating Current Standby Current Supply Voltage Supply Current Input Leakage Output Leakage , Output @ 2.4V PFO WEO , Output @ 0.4V PFO WEO V Trip Point CC to Impedance CEI CEO Pulldown Resistance DIS AC ...

Page 8

TIMING DIAGRAM: POWER-UP (5 VOLT) TIMING DIAGRAM: POWER-DOWN (5 VOLT ...

Page 9

TIMING DIAGRAM: POWER-UP (3 VOLT) TIMING DIAGRAM: POWER-DOWN (3 VOLT ...

Page 10

TIMING DIAGRAM: LOADING PARTITION REGISTER OUTPUT LOAD Figure ...

Page 11

NOTES: 1. All voltages are reference to ground 2. Only one battery input is required. 3. Measured with outputs open circuited the maximum average load which the DS1710 can supply to the memories. CC01 ...

Page 12

DS1710 16-PIN DIP (300-MIL) PKG 16-PIN DIM MIN MAX 0.740 0.780 A IN. 18.80 19.81 MM 0.240 0.260 B IN. 6.10 6.60 MM 0.120 0.140 C IN. 3.05 3.56 MM 0.300 0.325 D IN. 7.62 8.26 MM 0.015 0.040 E ...

Page 13

DS1710 16-PIN SOIC (300-MIL) PKG 16-PIN DIM MIN MAX 0.402 0.412 A IN. 10.21 10.46 MM 0.290 0.300 B IN. 7.37 7.65 MM 0.089 0.095 C IN. 2.26 2.41 MM 0.004 0.012 E IN. 0.102 0.30 MM 0.094 0.105 F ...

Page 14

DS1710 20-PIN TSSOP DIM MIN MAX - 1. 0. 0.75 1. 0.09 0. 0.50 0. 0.65 BSC e1 MM 0.18 0. 6.40 6. 4.40 NOM ...

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