W26010A
64K
16 HIGH-SPEED CMOS STATIC RAM
Publication Release Date: May 2001
- 1 - Revision A5
GENERAL DESCRIPTION
The W26010A is a high-speed, low-power CMOS static RAM organized as 65,536
16 bits that
operates on a single 5-volt power supply. This device is manufactured using Winbond's high
performance CMOS technology.
The W26010A has an active low chip select, separate upper and lower byte selects, and a fast output
enable. No clock or refreshing is required. Separate byte select controls (#LB and #UB) allow individual
bytes to be written and read. #LB controls I/O1-I/O8, the lower byte. #UB controls I/O9
-
I/O16, the
upper byte. This device is well suited for use in high-density, high-speed system applications.
FEATURES
High speed access time: 15/20/25 nS (max.)
Low power consumption:
-
Active: 1.3W (max.)
Single
+
5V power supply
Fully static operation
-
No clock or refreshing
All inputs and outputs directly TTL compatible
Three-state outputs
Data byte control
-
#LB (I/O1
-
I/O8), #UB (I/O9
-
I/O16)
Available packages: 44-pin 400 mil SOJ and
Type II TSOP
PIN CONFIGURATION
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
A0
A1
A2
A3
A4
#CS
I/O1
I/O2
I/O3
I/O4
V
DD
V
SS
I/O5
I/O6
I/O7
I/O8
#WE
A5
A6
A7
A8
NC
NC
A9
A10
A11
A12
NC
I/O9
I/O10
I/O11
I/O12
V
DD
V
SS
I/O13
I/O14
I/O15
I/O16
#LB
#UB
#OE
A13
A14
A15
BLOCK DIAGRAM
A0
.
.
A15
I/O1
I/O16
V
DD
V
SS
.
.
DATA I/O
DECODER
CONTROL
#UB
#CS
#OE
#WE
#LB
CORE
ARRAY
PIN DESCRIPTION
SYMBOL
DESCRIPTION
A0
-
A15
Address Inputs
I/O1
-
I/O16 Data Inputs/Outputs
#CS
Chip Select Inputs
#WE
Write Enable Input
#OE
Output Enable Input
#LB
Lower Byte Select I/O1
-
I/O8
#UB
Upper Byte Select I/O9
-
I/O16
V
DD
Power Supply
V
SS
Ground
NC
No Connection
W26010A
- 2 -
TRUTH TABLE
#CS #OE #WE #LB #UB
MODE
I/O1
-
I/O8 I/O9
-
I/O16 V
DD
CURRENT
H
X
X
X
X Not Selected
High Z
High Z
I
SB
, I
SB1
L
H
H
X
X Output Disable
High Z
High Z
I
DD
L
L
H
L
L 2 Bytes Read
D
OUT
D
OUT
I
DD
L
L
H
L
H Lower Byte Read
D
OUT
High Z
I
DD
L
L
H
H
L Upper Byte Read
High Z
D
OUT
I
DD
L
X
L
L
L 2 Bytes Write
D
IN
D
IN
I
DD
L
X
L
L
H Lower Byte Write
D
IN
High Z
I
DD
L
X
L
H
L Upper Byte Write
High Z
D
IN
I
DD
L
X
X
H
H Output Disable
High Z
High Z
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
1.5
W
Storage Temperature
-65 to +150
C
Operating Temperature
0 to +70
C
I
-40 to 85
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 to 70
C, I for 40 to 85
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
-10
-
+10
A
Output Leakage Current I
LO
V
I/O
= V
SS
to V
DD
Output Pins in High Z
See Truth Table
-10
-
+10
A
Output Low Voltage
V
OL
I
OL
= +8.0 mA
-
-
0.4
V
Output High Voltage
V
OH
I
OH
= -4.0 mA
2.4
-
-
V
W26010A
Publication Release Date: May 2001
- 3 - Revision A5
Operating Characteristics, continued
PARAMETER
SYM.
TEST CONDITIONS
MIN. TYP.
MAX. UNIT
Operating Power
I
DD
#CS = V
IL
(max.),
15
-
-
260
Supply Current
I/O = open, Cycle = min.
20
-
-
220
mA
Duty = 100%
25
-
-
200
Standby Power
Supply Current
I
SB
#CS = V
IH
(min.),
I/O = open
All other pins = V
DD
-0.2V/GND
-
-
50
mA
I
SB1
#CS = V
DD
-0.2V, I/O = open
All other pins = V
DD
-0.2V/GND
-
-
10
mA
Note: Typical characteristics are evaluated at V
DD
= 5V, T
A
= 25
C.
CAPACITANCE
(V
DD
= 5V, T
A
= 25
C, f = 1 MHz)
PARAMETER
SYM.
CONDITIONS
MAX.
UNIT
Input Capacitance
C
IN
V
IN
= 0V
6
pF
Input/Output Capacitance
C
I/O
V
OUT
= 0V
8
pF
Note: These parameters are sampled but not 100% tested.
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
C
L
= 30 pF, I
OH
/I
OL
= -4 mA/8 mA
W26010A
- 4 -
AC Test Loads and Waveform
R1 480 ohm
5V
OUTPUT
R2
255 ohm
5 pF
R2
255 ohm
R1 480 ohm
5V
OUTPUT
30 pF
Including
Jig and
Scope
90%
90%
3 nS
10%
3 nS
10%
3.0V
0V
Including
Jig and
Scope
)
(For T
T
T
OLZ,
T
T
WHZ,
T
OW
T
CLZ, BLZ,
CHZ,
BHZ,
T
OHZ,
(V
DD
= 5V
10%, V
SS
= 0V, T
A
= 0 to 70
C,
I
for 40 to 85
C)
Read Cycle
PARAMETER
SYM.
W26010A-15 W26010A-20 W26010A-25
UNIT
MIN. MAX. MIN. MAX. MIN. MAX.
Read Cycle Time
T
RC
15
-
20
-
25
-
nS
Address Access Time
T
AA
-
15
-
20
-
25
nS
Chip Select Access Time
T
ACS
-
15
-
20
-
25
nS
Output Enable to Output Valid
TAOE
-
7
-
10
-
12
nS
#UB, #LB Access Time
T
BA
-
7
-
10
-
12
nS
Output Hold from Address Change
T
OH
3
-
3
-
3
-
nS
Chip Select to Output in Low Z
T
CLZ*
3
-
3
-
3
-
nS
Chip Deselect to Output in High Z
T
CHZ*
-
7
-
10
-
12
nS
Output Enable to Output in Low Z
T
OLZ*
0
-
0
-
0
-
nS
Output Disable to Output in High Z
T
OHZ*
-
7
-
10
-
12
nS
#UB, #LB Select to Output in Low Z
T
BLZ*
0
-
0
-
0
-
nS
#UB, #LB Deselect to Output in High Z T
BHZ*
-
7
-
10
-
12
nS
These parameters are sampled but not 100% tested.
W26010A
Publication Release Date: May 2001
- 5 - Revision A5
AC Characteristics, continued
Write Cycle
PARAMETER
SYM. W26010A-15 W26010A-20 W26010A-25 UNIT
MIN. MAX. MIN. MAX. MIN. MAX.
Write Cycle Time
T
WC
15
-
20
-
25
-
nS
Chip Select to End of Write
T
CW
13
-
17
-
18
-
nS
Address Valid to End of Write
T
AW
13
-
17
-
18
-
nS
Address Setup Time
T
AS
0
-
0
-
0
-
nS
#UB, #LB Select to End of Write
T
BW
13
-
17
-
18
-
nS
Write Pulse Width
T
WP
10
-
12
-
15
-
nS
Write Recovery Time #CS, #WE T
WR
0
-
0
-
0
-
nS
Data Valid to End of Write
T
DW
9
-
10
-
12
-
nS
Data Hold from End of Write
T
DH
0
-
0
-
0
-
nS
Write to Output in High Z
T
WHZ*
-
8
-
10
-
12
nS
End of Write to Output Active
T
OW*
0
-
0
-
0
-
nS
These parameters are sampled but not 100% tested.
TIMING WAVEFORMS
Read Cycle 1
(Address Controlled, #CS = #OE = #UB = #LB = V
IL
,
#WE = V
IH
)
Address
T
T
T
T
D
OH
AA
RC
OH
OUT
W26010A
- 6 -
Timing Waveforms, continued
Read Cycle 2
(Chip Select Controlled, #OE = V
IL
,
#WE = V
IH
)
D
T
T
#CS
BLZ
CHZ
OUT
Address
RC
T
T
ACS
#UB /#LB
T
CLZ
T
BA
T
BHZ
Read Cycle 3
(Output Enable Controlled, #CS = #UB = #LB = V
IL
,
#WE = V
IH
)
Address
T
T
T
T
#OE
OH
AA
RC
AOE
D
OUT
T
OLZ
T
OHZ
W26010A
Publication Release Date: May 2001
- 7 - Revision A5
Timing Waveforms, continued
Write Cycle 1
(#OE Clock)
Address
#OE
#WE
D
D
T
OUT
IN
WC
T
WR
T
T
AW
T
WP
T
AS
T
DW
T
DH
#CS
CW
BW
T
#UB/#LB
Write Cycle 2
(#OE = V
IL
Fixed)
Address
#WE
D
D
T
T
T
T
T
T
T
(2)
(3)
T
T
WC
AW
WP
OW
WHZ (1, 4)
DW
DH
OH
AS
OUT
IN
#CS
T
T
CW
WR
#UB/#LB
T
BW
Notes:
1. During this period, I/O pins are in the output state, so input signals of opposite phase to the outputs should not be applied.
2. The data output from D
OUT
are the same as the data written to D
IN
during the write cycle.
3. D
OUT
provides the read data for the next address.
4. Transition is measured
500 mV from steady state with C
L
= 5 pF. This parameter is guaranteed but not 100% tested.
W26010A
- 8 -
ORDERING INFORMATION
PART NO.
ACCESS
TIME
(nS)
OPERATING
CURRENT
MAX. (mA)
STANDBY
CURRENT
MAX. (mA)
OPERATING
TEMP.
( C)
PACKAGE
W26010AJ-15
15
260
10
0 to 70
44-pin 400 mil SOJ
W26010AJ-15I
15
260
10
-40 to 85
44-pin 400 mil SOJ
W26010AJ-20
20
220
10
0 to 70
44-pin 400 mil SOJ
W26010AJ-25
25
200
10
0 to 70
44-pin 400 mil SOJ
W26010AT-15
15
260
10
0 to 70
44-pin type two TSOP
W26010AT-15I
15
260
10
-40 to 85
44-pin type two TSOP
W26010AT-20
20
220
10
0 to 70
44-pin type two TSOP
W26010AT-25
25
200
10
0 to 70
44-pin type two TSOP
Notes:
1. Winbond reserves the right to make changes to its products without prior notice.
2. Purchasers are responsible for performing appropriate quality assurance testing on products intended for use in
applications where personal injury might occur as a consequence of product failure.
W26010A
Publication Release Date: May 2001
- 9 - Revision A5
PACKAGE DIMENSIONS
44-pin Small Outline Band
D
Seating Plane
s
b
b
1
1
44
e
1
A
y
A
2
A
L
1
e
22
23
E
E
H
c
0.330
0.178
0.013
0.007
Symbol
Min.
Nom.
Max.
Max.
Nom.
Min.
Dimension in inches
Dimension in mm
e
0.148
3.759
0.025
0.105
0.015
0.110
0.115
0.020
2.41
0.381
0.635
2.54
2.67
0.508
0.082
0.004
0
10
1.125
1.130
2.06
28.58 28.70
0.37
9.40
0
0.10
10.29
10.16
10.03
0.405
0.400
0.395
11.05
11.18
11.30
0.435
0.440 0.445
e
H
E
L
y
S
1
A
b
c
D
A
A
1
2
E
b
1
0.044
0.050 0.056
1.12
1.27
1.42
0.045
1.14
10
3.585
3.251
0.138
0.128
0.026 0.028
0.032
0.66
0.711
0.813
1.120
28.45
44-pin Standard Type Two TSOP
L
L
1
c
E
D
H
D
b
e
M
0.10 (0.004)
A
A
1
Y
A
2
1.20
0.05
1.05
1.00
0.95
0.25
0.12
18.31
10.06
11.56
0.40
0.35
0.45
0.15
0.17
18.41 18.51
10.16 10.26
11.76 11.96
0.50
0.60
0.80
0.10
0.047
0.041
0.039
0.037
0.010 0.014 0.018
0.005 0.006 0.007
0.721 0.725 0.729
0.396 0.400 0.404
0.455 0.463 0.471
0.80
0.031
0.016 0.020 0.024
0.031
0.004
0.002
Dimension in inches
Min.
Nom. Max. Min.
Nom.
Max.
Symbol
A
A
b
1
2
A
c
D
E
e
L
L
Y
1
H
D
Dimension in mm
0
5
0
5
o
o
o
o
W26010A
- 10 -
VERSION HISTORY
VERSION
DATE
PAGE
DESCRIPTION
A1
Apr. 1995
Initial Issued
A2
Feb. 1997
1, 9
Add package type two TSOP
A3
Oct. 1997
9
Correct 44-pin type two TSOP symbol "e" dimension
in inches nom. from 0.006 to 0.031
in mm nom. from 0.15 to 0.80
A4
Feb. 1998
1
Modify the address sequence in pin configuration
6
Modify the waveform "read cycle 3"
A5
May 2001
2, 4, 8
Add in Industrial operating temperature
4, 5, 8
Add in Industrial grade type
Headquarters
No. 4, Creation Rd. III,
Science-Based Industrial Park,
Hsinchu, Taiwan
TEL: 886-3-5770066
FAX: 886 -3-5792766
http://www.winbond.com.tw/
Voice & Fax-on-demand: 886 -2-27197006
Taipei Office
11F, No. 115, Sec. 3, Min -Sheng East Rd.,
Taipei, Taiwan
TEL: 886-2-27190505
FAX: 886 -2-27197502
Winbond Electronics (H.K.) Ltd.
Unit 9-15, 22F, Millennium City,
No. 378 Kwun Tong Rd;
Kowloon, Hong Kong
TEL: 852 -27513100
FAX: 852 -27552064
Winbond Electronics North America Corp.
Winbond Memory Lab.
Winbond Microelectronics Corp.
Winbond Systems Lab.
2727 N. First Street, San Jose,
CA 95134, U.S.A.
TEL: 408-9436666
FAX: 408-5441798
Headquarters
No. 4, Creation Rd. III,
Science-Based Industrial Park,
Hsinchu, Taiwan
TEL: 886-3-5770066
FAX: 886 -3-5792766
http://www.winbond.com.tw/
Voice & Fax-on-demand: 886 -2-27197006
Taipei Office
11F, No. 115, Sec. 3, Min -Sheng East Rd.,
Taipei, Taiwan
TEL: 886-2-27190505
FAX: 886 -2-27197502
Winbond Electronics (H.K.) Ltd.
Unit 9-15, 22F, Millennium City,
No. 378 Kwun Tong Rd;
Kowloon, Hong Kong
TEL: 852 -27513100
FAX: 852 -27552064
Winbond Electronics North America Corp.
Winbond Memory Lab.
Winbond Microelectronics Corp.
Winbond Systems Lab.
2727 N. First Street, San Jose,
CA 95134, U.S.A.
TEL: 408-9436666
FAX: 408-5441798
Note: All data and specifications are subject to change without notice.
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