
3
Memory ICs
BR93LC56 / BR93LC56F / BR93LC56RF / BR93LC56FV
Electrical characteristics (unless otherwise noted, Ta = – 40 to + 85°C, V
CC
 = 5V ± 10%)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Conditions
V
IL
– 0.3
—
0.8
V
V
IH
2.0
—
—
—
V
CC
 + 0.3
V
V
OL1
—
—
0.4
V
I
OL
 = 2.1mA
V
OH1
2.4
—
—
V
I
OH
 = – 0.4mA
V
OL2
—
—
0.2
V
I
OL
 = 10
μ
A
V
OH2
V
CC
 – 0.4
—
—
V
I
OH
 = – 10
μ
A
I
LI
– 1.0
—
μ
A
V
IN
 = 0V ~ V
CC
I
LO
– 1.0
—
μ
A
V
OUT
 = 0V ~ V
CC
, CS = GND
I
CC1
—
1.5
3
mA
I
CC2
—
0.7
1.5
mA
I
SB
—
1.0
5
μ
A
CS = SK = DI = GND, DO = OPEN
1.0
1.0
V
IN
 = V
IH
 / V
IL
, DO = OPEN
f = 1MHz, WRITE
V
IN
 = V
IH
 / V
IL
, DO = OPEN
f = 1MHz, READ
Input low level voltage
Input high level voltage
Output low level voltage 1
Output high level voltage 1
Output low level voltage 2
Output high level voltage 2
Input leakage current
Output leakage current
Operating current 
dissipation 1
Standby current
Operating current 
dissipation 2
(unless otherwise noted, Ta = – 40 to + 85°C, V
CC
 = 3V ± 10%)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Conditions
V
IL
– 0.3
—
0.15 
× 
V
CC
V
V
IH
0.7 
× 
V
CC
—
—
—
V
CC
 + 0.3
V
V
OL
—
—
0.2
V
I
OL
 = 10
μ
A
V
OH
V
CC
 – 0.4
—
—
V
I
OH
 = – 10
μ
A
I
LI
– 1.0
—
μ
A
V
IN
 = 0V ~ V
CC
I
LO
– 1.0
—
μ
A
V
OUT
 = 0V ~ V
CC
, CS = GND
I
CC1
—
0.5
2
mA
I
CC2
—
0.2
1
mA
I
SB
—
0.4
3
μ
A
CS = SK = DI = GND, DO = OPEN
1.0
1.0
V
IN
 = V
IH
 / V
IL
, DO = OPEN,
f = 250kHz, WRITE
V
IN
 = V
IH
 / V
IL
, DO = OPEN,
f = 250kHz, READ
Input low level voltage
Input high level voltage
Output low level voltage 
Output high level voltage
Input leakage current
Output leakage current
Operating current 
dissipation 1
Standby current
Electrical characteristics (unless otherwise noted, Ta = – 40 to + 85°C, V
CC
 = 2.0V ± 10%)
Parameter
Symbol
Min.
Operating current 
dissipation 2
Typ.
Max.
Unit
Conditions
V
IL
– 0.3
—
0.15
 × 
V
CC
V
V
IH
0.7
 × 
V
CC
—
—
—
V
CC
 + 0.3
V
V
OL
—
—
0.2
V
I
OL
 = 10
μ
A
V
OH
V
CC
 – 0.4
—
—
V
I
OH
 = – 10
μ
A
I
LI
– 1.0
—
1.0
μ
A
V
IN
 = 0V ~ V
CC
I
LO
– 1.0
—
1.0
μ
A
V
OUT
 = 0V ~ V
CC
, CS = 0V
I
CC2
—
0.2
1
mA
I
SB
—
0.4
3
μ
A
CS = SK = DI = 0V, DO = OPEN
V
IN
 = V
IH
 / V
IL
, DO = OPEN
f = 200kHz, READ
Input low level voltage
Input high level voltage
Output low level voltage 
Output high level voltage 
Input leakage current
Output leakage current
Operating current 
dissipation 2
Standby current