User guide

Preliminary W24100
- 2 -
TRUTH TABLE
CS1
CS2
OE
WE
MODE
I/O1 − I/O8
VDD CURRENT
H X X X Not Selected High Z I
SB
, I
SB
1
X L X X Not Selected High Z I
SB
, I
SB
1
L H H H Output Disable High Z I
DD
L H L H Read Data Out I
DD
L H X L Write Data In I
DD
DC CHARACTERISTICS
Absolute Maximum Ratings
PARAMETER RATING UNIT
Supply Voltage to V
SS
Potential -0.5 to +7.0 V
Input/Output to V
SS
Potential -0.5 to V
DD
+0.5 V
Allowable Power Dissipation 1.0 W
Storage Temperature -65 to +150
°
C
Operating Temperature 0 to 70
°
C
Note: Exposure to conditions beyond those listed under Absolute Maximum Ratings may adversely affect the life and reliability of the
device.
Operating Characteristics
(V
DD
= 5V
±
10%; V
SS
= 0V; T
A
= 0
°
C to 70
°
C)
PARAMETER
SYM. TEST CONDITIONS MIN. TYP.* MAX. UNIT
Input Low Voltage
V
IL
- -0.5 - +0.8 V
Input High Voltage
V
IH
- +2.2 - V
DD
+0.5 V
Input Leakage Current
I
LI
V
IN
= V
SS
to V
DD
-1 - +1
µ
A
Output Leakage
Current
I
LO
V
I/O
= V
SS
to V
DD,
CS1
= V
IH
(min.) or
OE
= V
IH
(min.)
or
WE
= V
IL
(max.)
-1 - +1
µ
A
Output Low Voltage
V
OL
I
OL
= +2.1 mA - - 0.4 V
Output High Voltage
V
OH
I
OH
= -1.0 mA 2.4 - - V
Operating Power
Supply Current
I
DD
CS1
= V
IL
(max.) and
CS2 = V
IH
(min.), I/O = 0 mA
Cycle = min., Duty = 100%
- - 70 mA
Standby Power Supply
Current
I
SB
CS
= V
IH
(min.), Cycle = min.
Duty = 100%
- - 3 mA
I
SB
1
CS1
≥
V
DD
-0.2V or
LL -
-
50
µ
A
CS2
≤
0.2V
L -
-
100
Note: Typical parameter is measured under ambient temperature TA = 25
°
C and VDD = 5V.