MN63121 Datasheet, PDF (3/4 Pages) Panasonic Semiconductor – 1K-Bit EEPROM

EEPROMs
MN63121
Pin Descriptions
Pin No. Symbol
1
CS
2
SCK
3
DI
4
DO
6
RESET
7 RDY/BUSY
Pin Name
Chip select input
Serial clock input
Data input
Data output
Reset input
Busy output
Electrical Characteristics
V_CC=1.8 to 5.5V, Ta=–10˚C to +70˚C
Parameter
Symbol
Power supply voltage
V_CC
Input leakage current at "L" level I_LIL
Input leakage current at "H" level I_LIH
Output leakage current
I_LO
Input voltage at "L" level
V_IL
Test Conditions
Input voltage at "H" level
V_IH
V_CC power supply current
(during operation)
V_CC power supply current
(during standby)
Output voltage for "L" level
(during reads)
Output voltage for "H" level
(during reads)
I_CC SCK=250kHz
SCK=1MHz
I_SB CS, SCK, DI,
RESET="H"
Other pins open
V_OL
I_OL=400 µA
I_OL=2.1mA
V_OH
I_OH=–10 µA
I_OH=–400 µA
2 to 3 V Operation 5 V Operation
min max min max
Unit
1.8 3.3 4.5 5.5
V
–10 10 –10 10
µA
–10 10 –10 10
µA
— 10 — 10
µA
0.2 ×
– 0.1
– 0.1 0.7
V
V_CC
0.8 × V_{CC 3.0} V_CC
V
V_CC +0.3
+0.3
— 2.0 — —
mA
— — — 3.0
— 20 — 30
µA
— 0.3 — —
V
— — — 0.45
V_CC
—
—
—
V
– 0.3
— — 2.4 —
Function Descriptions
Orders
Code
READ
10101000
WRITE
10100100
EWEN
10100011
EWDS
10100000
BUSYFG
ENFG
ECCFG
10101001
Note: x means "don't care".
Address
A₀A₁A₂A₃A₄A₅00
A₀A₁A₂A₃A₄A₅00
xxxxxxxx
xxxxxxxx
00xxxxxx
10xxxxxx
01xxxxxx
Data
D₀ –D₇D₈–D₁₅
D₀ –D₇D₈–D₁₅
––––
––––
0(busy)
1(ready)
0(enable)
1(disable)
0(non-correction)
1(correction)
Function
Read from address indicated with pins A₀ –A₅
Write to address indicated with pins A₀ –A₅
Enable erase/write
Disable erase/write
Status output busy flag
Status output write enable flag
Status output ECC flag
3