......................................................................................................... -0.3V to V
CC
+0.3V
Storage temperature .................................................................................................................................-65°C to 150°C
Ambient temperature under bias ...............................................................................................................-40°C to 125°C
ESD protection on all pins ...........................................................................................................................................2kV
†
NOTICE: Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the
device. This is a stress rating only and functional operation of the device at those or any other conditions above those
indicated in the operational listings of this specification is not implied. Exposure to maximum rating conditions for an
extended period of time may affect device reliability.
TABLE 1-1:
DC CHARACTERISTICS
Industrial (I):
T
A
= -40°C to +85°C
Automotive (E): T
A
= -40°C to +125°C
Min.
1.5
2.7
.7 V
CC
-0.3
—
V
CC
-0.5
—
—
—
—
—
—
Standby current
—
—
1
5
4
10
7
—
1.2
—
Typ
(1)
—
—
—
—
—
—
—
—
—
—
—
0.2
Max.
1.95
3.6
V
CC
+0.3
0.2xV
CC
0.15xV
CC
0.2
—
±0.5
±0.5
3
6
10
1
Units
V
V
V
V
V
V
V
A
A
mA
mA
mA
A
A
A
pF
V
Test Conditions
23A256 (I-Temp)
23K256 (I,E-Temp)
DC CHARACTERISTICS
Param.
No.
D001
D001
D002
D003
D004
D005
D006
D007
D008
Sym.
V
CC
V
CC
V
IH
V
IL
V
OL
V
OH
I
LI
I
LO
I
CC
Read
Operating current
D009
I
CCS
Characteristic
Supply voltage
Supply voltage
High-level input
voltage
Low-level input
voltage
Low-level output
voltage
High-level output
voltage
Input leakage
current
Output leakage
current
23K256 (E-Temp)
I
OL
= 1 mA
I
OH
= -400
A
CS = V
CC
, V
IN
= V
SS OR
V
CC
CS = V
CC
, V
OUT
= V
SS OR
V
CC
F
CLK
= 1 MHz; SO = O
F
CLK
= 10 MHz; SO = O
F
CLK
= 20 MHz; SO = O
CS = V
CC
= 1.8V, Inputs tied to V
CC
or V
SS
CS = V
CC
= 3.6V, Inputs tied to V
CC
or V
SS
CS = V
CC
= 3.6V, Inputs tied to V
CC
or V
SS
@ 125°C
V
CC
= 0V, f = 1 MHz, Ta = 25°C
(Note
1)
D010
D011
Note 1:
2:
C
INT
V
DR
Input capacitance
RAM data retention
voltage
(2)
This parameter is periodically sampled and not 100% tested. Typical measurements taken at room
temperature (25°C).
This is the limit to which V
DD
can be lowered without losing RAM data. This parameter is periodically
sampled and not 100% tested.
DS22100F-page 2
2008-2011 Microchip Technology Inc.
23A256/23K256
TABLE 1-2:
AC CHARACTERISTICS
Industrial (I):
T
A
= -40°C to +85°C
Automotive (E): T
A
= -40°C to +125°C
Min.
—
—
—
—
50
32
32
25
50
50
50
50
50
32
32
25
10
10
10
10
10
10
10
10
—
—
50
32
32
25
50
32
32
25
50
32
32
25
—
—
—
—
0
Max.
10
16
16
20
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
2
2
—
—
—
—
—
—
—
—
—
—
—
—
50
32
32
25
—
Units
MHz
MHz
MHz
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
us
us
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Test Conditions
V
CC
½1.5V
(I-Temp)
V
CC
½1.8V
(I-Temp)
V
CC
½3.0V
(E-Temp)
V
CC
½3.0V
(I-Temp)
V
CC
½1.5V
(I-Temp)
V
CC
½1.8V
(I-Temp)
V
CC
½3.0V
(E-Temp)
V
CC
½3.0V
(I-Temp)
V
CC
½1.5V
(I-Temp)
V
CC
½1.8V
(I-Temp)
V
CC
½3.0V
(E-Temp)
V
CC
½3.0V
(I-Temp)
V
CC
½1.5V
(I-Temp)
V
CC
½1.8V
(I-Temp)
V
CC
½3.0V
(E-Temp)
V
CC
½3.0V
(I-Temp)
V
CC
½1.5V
(I-Temp)
V
CC
½1.8V
(I-Temp)
V
CC
½3.0V
(E-Temp)
V
CC
½3.0V
(I-Temp)
V
CC
½1.5V
(I-Temp)
V
CC
½1.8V
(I-Temp)
V
CC
½3.0V
(E-Temp)
V
CC
½3.0V
(I-Temp)
Note 1
Note 1
V
CC
½1.5V
(I-Temp)
V
CC
½1.8V
(I-Temp)
V
CC
½3.0V
(E-Temp)
V
CC
½3.0V
(I-Temp)
V
CC
½1.5V
(I-Temp)
V
CC
½1.8V
(I-Temp)
V
CC
½3.0V
(E-Temp)
V
CC
½3.0V
(I-Temp)
V
CC
½1.5V
(I-Temp)
V
CC
½1.8V
(I-Temp)
V
CC
½3.0V
(E-Temp)
V
CC
½3.0V
(I-Temp)
V
CC
½1.5V
(I-Temp)
V
CC
½1.8V
(I-Temp)
V
CC
½3.0V
(E-Temp)
V
CC
½3.0V
(I-Temp)
Note 1
AC CHARACTERISTICS
Param.
Sym.
No.
1
F
CLK
Characteristic
Clock frequency
2
T
CSS
CS setup time
3
T
CSH
CS hold time
4
T
CSD
CS disable time
5
Tsu
Data setup time
6
T
HD
Data hold time
7
8
9
T
R
T
F
T
HI
CLK rise time
CLK fall time
Clock high time
10
T
LO
Clock low time
11
T
CLD
Clock delay time
12
T
V
Output valid from clock low
13
Note 1:
T
HO
Output hold time
This parameter is periodically sampled and not 100% tested.
2008-2011 Microchip Technology Inc.
DS22100F-page 3
23A256/23K256
TABLE 1-2:
AC CHARACTERISTICS (CONTINUED)
Industrial (I):
T
A
= -40°C to +85°C
Automotive (E): T
A
= -40°C to +125°C
Min.
—
—
—
—
10
10
10
—
Max.
20
20
20
20
—
—
—
50
Units
ns
ns
ns
ns
ns
ns
ns
ns
Test Conditions
V
CC
½1.5V
(I-Temp)
V
CC
½1.8V
(I-Temp)
V
CC
½3.0V
(E-Temp)
V
CC
½3.0V
(I-Temp)
—
—
—
—
AC CHARACTERISTICS
Param.
Sym.
No.
14
T
DIS
Characteristic
Output disable time
15
16
17
18
Note 1:
T
HS
T
HH
T
HZ
T
HV
HOLD setup time
HOLD hold time
HOLD low to output High-Z
HOLD high to output valid
This parameter is periodically sampled and not 100% tested.
