W24L011A
128K × 8 HIGH SPEED CMOS STATIC RAM
GENERAL DESCRIPTION
The W24L011A is a high speed, low power CMOS static RAM organized as 131072 × 8 bits that
operates on a single 3.3-volt power supply. This device is manufactured using Winbond's high
performance CMOS technology.
FEATURES
•
High speed access time: 10/12/15 nS
•
Single +3.3V power supply
•
Center power/ground pin configuration
•
Fully static operation
PIN CONFIGURATION
A0
A1
A2
A3
CS
I/O1
I/O2
V
DD
V
SS
I/O3
I/O4
WE
A4
A5
A6
A7
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
A16
A15
A14
A13
OE
I/O8
I/O7
V
SS
VDD
I/O6
I/O5
A12
A11
A10
A9
A8
•
All inputs and outputs directly TTL compatible
•
Three-state outputs
•
Available packages: 32-pin 300 mil and 400
mil SOJ
BLOCK DIAGRAM
V
DD
V
SS
A0
.
A16
CS
OE
WE
DECODER
.
CONTROL
CORE
ARRAY
DATA I/O
I/O1
I/O8
.
.
PIN DESCRIPTION
SYMBOL DESCRIPTION
A0−A16
I/O1−I/O8
CS
VDD Power Supply
VSS Ground
Address Inputs
Data Inputs/Outputs
Chip Select Inputs
Write Enable Input
Output Enable Input
Publication Release Date: August 1999
- 1 - Revision A2
TRUTH TABLE
W24L011A
H X X Not Selected High Z ISB, I
L H H Output Disable High Z IDD
L L H Read Data Out IDD
L X L Write Data In IDD
MODE
I/O1−I/O8
VDD CURRENT
SB1
DC CHARACTERISTICS
Absolute Maximum Ratings
PARAMETER RATING UNIT
Supply Voltage to VSS Potential -0.5 to +4.6 V
Input/Output to VSS Potential -0.5 to VDD +0.5 V
Allowable Power Dissipation 1.0 W
Storage Temperature -65 to +150
Operating Temperature 0 to +70
Note: Exposure to conditions beyond those listed under Absolute Maximum Ratings may adversely affect the life and reliability of the
device.
Operating Characteristics
(VDD = 3.3V ±5%, VSS = 0V, TA = 0 to 70° C)
°
C
°
C
PARAMETER SYM. TEST CONDITIONS MIN. TYP. MAX. UNIT
Input Low Voltage VIL - -0.5 - 0.8 V
Input High Voltage VIH - +2.0 - VDD +0.5 V
Input Leakage Current
Output Leakage
Current
Output Low Voltage VOL IOL = +8.0 mA - - 0.4 V
Output High Voltage VOH IOH = -4.0 mA 2.4 - - V
Operating Power IDD
Supply Current
Standby Power ISB
Supply Current
Note: Typical characteristics are at VDD = 3.3V, TA = 25° C.
- 2 -
I
ILI VIN = VSS to VDD -10 - +10
ILO V
SB1
I/O
= VSS to VDD
CS
= VIH (min.) or
= VIH (min.) or
= VIL (max.)
= VIL (max.), I/O = 0 mA
CS
Cycle = mim., Duty = 100%
= V
IH
(min.)
CS
CS ≥ VDD -0.2V
-10 -
10 - - 130
12 - - 120 mA
15 - - 110
- - 30 mA
- - 10 mA
+10
µ
A
µ
A
W24L011A
CAPACITANCE
(VDD = 3.3V, TA = 25° C, f = 1 MHz)
PARAMETER SYM. CONDITIONS MAX. UNIT
Input Capacitance CIN VIN = 0V 8 pF
Input/Output Capacitance C
Note: These parameters are sampled but not 100% tested.
I/O
V
AC CHARACTERISTICS
AC Test Conditions
PARAMETER CONDITIONS
Input Pulse Levels 0V to 3V
Input Rise and Fall Times 3 nS
Input and Output Timing Reference Level 1.5V
Output Load CL = 30 pF, IOH/IOL = -4 mA/8 mA
OUT
= 0V 10 pF
AC Test Loads and Waveform
R1 320 ohm
3.3V
OUTPUT
30 pF
Including
Jig and
Scope
R2
350 ohm
3.0V
0V
3 nS
10%
90%
10%
90%
OUTPUT
3 nS
3.3V
(For T
CLZ,
T
R1 320 ohm
5pF
Including
Jig and
Scope
T
T
OLZ,
CHZ, OHZ, WHZ, OW
R2
350 ohm
T T
)
Publication Release Date: August 1999
- 3 - Revision A2