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IN93LC46N, IN93LC46D, IN93AA46N, IN93AA46D
1K-BIT SERIAL EEPROM WITH MICROWIRE INTEFACE
(compatible to САТ93С46 Catalyst)
DESCRIPTION
The IN93LC46 is a Electric erasable programmable ROM (EEPROM) memory data capac-
ity 1K (128x8 or 64x16) with 3-wire interface.
There are 3 modification of ICs
A: ICs IN93AA(LC)46AD/AN are 8 bits registers (128х8) - ORG pin is not used
B: ICs IN93AA(LC)46BD/BN are 16 bits registers (64х16) - ORG pin is not used
C: ICs IN93AA(LC)46CN/CD are configured as either registers of 8 bits (ORG pin at GND)
or 16 bits (ORG pin at VCC, or not connected). Each register can be written (or read) seri-
ally by using the DI (or DO) pin.
The ICs is purposed for reading, writing & nonvolatile data storage in electronic units with
3-wire interface. ICs can be used in TV-sets, telecom equipment & consumer electronic
devices.
FEATURES
100 year 1K data retention for Ta=25oC;
Build-in voltage multiplier;
Serial I/O bus;
Autoincrement of word address;
Self-timed write cycle with auto-clear;
1,000,000 program/erase cycles;
Power-up internal logic setup;
Read cycles quantity are not limited;
- Supply voltage range , UCC
for IN93LC46N/D
2,5 …5,5 V;
for IN93АА46N/D
1,8 …5,5 V;
Low power consumption;
Operating temperature range -40 … +85 oC.
N SUFFIX
DIP
8
1 D SUFFIX
8 SOIC
1
PIN FUNCTIONS
Pin
Name
Function
CS Chip Select
CS 01
08 Vcc
SK Clock Input
DI Serial Data Input
SK 02
07 NC
DO
VCC
GND
ORG*
Serial Data Output
+1.8 to 6.0V Power Supply
Ground
Memory Organization pin *
DI 03
DO 04
06 ORG*(NC)
05 GND
NC No Connection
Note
* this pin is present only in IN93AA46CN, IN93AA46CD:
When the ORG pin is connected to VCC, the x16 organization is selected.
When it is connected to ground, the x8 pin is selected.
If the ORG pin is left unconnected, then an internal pullup device will select the x16 organization.
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Block Diagram
IN93LC46N, IN93LC46D, IN93AA46N, IN93AA46D
Recommended Operation Conditions & Maximum Ratings*
Parameter, unit
Symbol
Recommended
Operation Conditions
Min Max
Supply
voltage,V
IN93LC46AN, IN93LC46AD,
IN93LC46BN, IN93LC46BD,
IN93LC46CN, IN93LC46CD
Ucc
2,5
6,0
IN93AA46AN, IN93AA46AD,
IN93AA46BN, IN93AA46BD,
IN93AA46CN, IN93AA46CD
1,8 6,0
High level input 4,5 V Ucc 5,5 V
voltage, V
1,8 V Ucc < 4,5 V
UIH 1)
2,0
0,7Ucc
Ucc + 0,5
Ucc + 0,5
Low level input 4,5 V Ucc 5,5 V
voltage, V
1,8 V Ucc < 4,5 V
UIL 2)
-0,1 0,8
0 0,2Ucc
Low level output current мА
Output short-circuit current, mA
IOL
IOS 3)
2,1
Maximum Ratings
Min Max
- 2,0
7,0
– Ucc + 2,0
- 2,0
100
1) The maximum constant voltage is Ucc+0,5В. While operation pulses up to UCC+2V can be applied to
inputs, pulse duration have to be less than 20 nanoseconds. The maximal constant input voltage is
Ucc+0,5В. While operation positive pulses up to Ucc +2V can be applied to inputs, pulse duration have to
be less than 20 nanoseconds.
2) The minimal constant voltage is -0,5В. While operation negative pulses up to-2V can be applied to
inputs, pulse duration have to be less than 20 nanoseconds. The maximal constant input voltage is
Ucc+0,5В. While operation positive pulses up to Ucc +2V can be applied to inputs, pulse duration have to
be less than 20 nanoseconds.
3) Time no more than 1 sec
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IN93LC46N, IN93LC46D, IN93AA46N, IN93AA46D
Electric Parameters
(IN93AA46N/D UСС = 1,8 V – 6,0 V;
IN93LC46N/D UСС = 2,5 V – 6,0 V)
Parameter, unit
Low level output voltage, V
Symbol
UOL1
High level output voltage, V
UOH1
Low level output voltage, V
High level output voltage, V
UOL2
UOH2
Low level input leakage current, uA
IILL
High level input leakage current, uA IILH
Low level output leakage current,
uA
IOLL
High level output leakage current,
uA
IOLH
Consumption current (8-bit mode),
uA
ICC1
Consumption current (16-bit mode),
nA
ICC2
Consumption current (Operating
Read), uA
Consumption current (Operating
Write/Erase), uA
Output Delay to Low, ns
IOCC R
IOCC E/W
tPD0
Output Delay to High, ns
tPD1
Mode
4,5 V UCC 5,5 V
IOL = 2,1 mA
4,5 V UCC 5,5 V
IOH = -400 uA
1,8 V UCC < 4,5 V
IOL = 1 mA
1,8 V UCC < 4,5 V
IOH = -100 uA
UI = 0 V
1,8 V UCC 6,0 V
UI = Ucc
1,8 V UCC 6,0 V
UO = 0 V
UIL = 0 V
1,8 V UCC 6,0 V
UO = Ucc
UIL = 0 V
1,8 V UCC 6,0 V
Ucc = 5,5 V
UIL = 0 V
UORG = 0 V or
ORG not connected
Ucc = 5,5 V
UIL = 0 V
UIH = Ucc
UORG = Ucc
Ucc = 5,0 V
fC = 1 MHz
Ucc = 5,0 V
fC = 1 MHz
UCC = 4,5 V
fC = 1 MHz
UCC = 2,5 V
fC = 0,5 MHz
UCC = 1,8 V
fC = 0,25 MHz
UCC = 4,5 V
fC = 1 MHz
UCC = 2,5 V
fC = 0,5 MHz
UCC = 1,8 V
fC = 0,25 MHz
Min
2,4
UCC-0,2
Max
0,4
0,2
-1,0
1,0
-1,0
TA, °С
25 ± 10;
-45; 85
– 1,0
– 10
– 900
– 500
– 3,0
– 250
– 500
– 1000
– 250
– 500
– 1000
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IN93LC46N, IN93LC46D, IN93AA46N, IN93AA46D
Parameter, unit
Output Delay to High-Z, ns
Symbol
tHZ
Write/Erase cycle, ms
tCY
Output Delay to Status Check, ns
tSV
Power-up to Read Operation Time,
ms
tPUR
Power-up to Wtite Operation Time,
ms
tPUW
Program/erase cycles
NE/W
Mode
UCC = 4,5 V
fC = 1 MHz
UCC = 2,5 V
fC = 0,5 MHz
UCC = 1,8 V
fC = 0,25 MHz
UCC = 4,5 V
fC = 1 MHz
UCC = 2,5 V
fC = 0,5 MHz
UCC = 1,8 V
fC = 0,25 MHz
UCC = 4,5 V
fC = 1 MHz
UCC = 2,5 V
fC = 0,5 MHz
UCC = 1,8 V
fC = 0,25 MHz
UCC = 4,5 V
fC = 1 MHz
UCC = 2,5 V
fC = 0,5 MHz
UCC = 1,8 V
fC = 0,25 MHz
UCC = 4,5 V
fC = 1 MHz
UCC = 2,5 V
fC = 0,5 MHz
UCC = 1,8 V
fC = 0,25 MHz
Ucc = 5,0 V
Note tPUR & tPUW times are delays from of power up to operation started
Min
1000000
Max
100
200
400
10
10
10
250
500
1000
1,0
1,0
1,0
1,0
1,0
1,0
TA, °С
25 ± 10;
-40; 85
25 ± 10
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IN93LC46N, IN93LC46D, IN93AA46N, IN93AA46D
3-wire Interface Parameters (-40 oC ≤ ТA 85 oC)
Parameter, unit
Clock frequency, MHz
CS Setup Time, ns
CS Hold Time, ns
DI Setup Time, ns
DI Hold Time, ns
Minimum CS Low Time, ns
Minimum SK High Time, ns
Minimum SK Low Time, ns
Symb
ol
fС
tCSS
tСSH
tDIS
tDIH
tCS MIN
tSKHI
tSKLOW
Mode
CL=100 pF
1,8VUCC6,0V
Min Max
- 0,25
200 -
0-
400 -
400 -
1000
-
1000
-
1000
-
2,5VUCC6,0V
Min Max
- 0,5
100 -
0-
200 -
200 -
500 -
500 -
500 -
4,5VUCC6,0V
Min Max
-2
50 -
0-
100 -
100 -
250 -
250 -
250 -
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