23a256 Microchip Technology Inc., 23a256 Datasheet - Page 2

• Manufacturer Part Number: 23a256
• Description: 256k Spi Bus Low-power Serial Sram
• Manufacturer: Microchip Technology Inc.

23A256/23K256
1.0
Absolute Maximum Ratings
V
All inputs and outputs w.r.t. V
Storage temperature .................................................................................................................................-40°C to 125°C
Ambient temperature under bias .................................................................................................................-40°C to 85°C
ESD protection on all pins ...........................................................................................................................................2kV
TABLE 1-1:
DS22100C-page 2
† 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.
DC CHARACTERISTICS
Param.
D001
D001
D002
D003
D004
D005
D006
D007
D008
D009
D010
D011
Note 1:
CC
No.
.............................................................................................................................................................................4.5V
2:
ELECTRICAL CHARACTERISTICS
V
V
V
V
V
V
I
I
I
I
C
V
LI
LO
CC
CCS
OL
OH
CC
CC
IH
IL
DR
INT
This parameter is periodically sampled and not 100% tested. Typical measurements taken at room
temperature (25°C).
This is the limit to which V
sampled and not 100% tested.
Sym.
Read
DC CHARACTERISTICS
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
Operating current
Standby current
Input capacitance
RAM data retention
voltage
Characteristic
(2)
SS
......................................................................................................... -0.3V to V
(†)
DD
can be lowered without losing RAM data. This parameter is periodically
Industrial (I):
V
.7 V
CC
Min.
-0.3
1.7
2.7
—
—
—
—
—
—
—
—
—
-0.5
CC
Preliminary
Typ
200
1.2
—
—
—
—
—
—
—
—
—
—
—
1
(1)
T
A
0.2xV
= -40°C to +85°C
Max.
1.95
+0.3
±0.5
±0.5
V
500
3.6
0.2
10
—
—
3
6
4
7
CC
CC
Units
mA
mA
mA
μA
μA
nA
μA
pF
V
V
V
V
V
V
V
23A256
23K256
I
I
CS = V
CS = V
F
F
F
CS = V
or V
CS = V
or V
V
(Note 1)
OL
OH
CLK
CLK
CLK
CC
= 1 mA
= -400 μA
SS
SS
= 0V, f = 1 MHz, Ta = 25°C
= 1 MHz; SO = O
= 10 MHz; SO = O
= 20 MHz; SO = O
© 2009 Microchip Technology Inc.
CC
CC
CC
CC
Test Conditions
, V
, V
= 1.8V, Inputs tied to V
= 3.0V, Inputs tied to V
OUT
IN
= V
= V
SS OR
SS OR
V
CC
V
CC
CC
+0.3V
CC
CC