The W24100 is a normal-speed, very low-power CMOS static RAM organized as 131072 × 8 bits that
operates on a single 5-volt power supply. This device is manufactured using Winbond's high
performance CMOS technology.
FEATURES
•
Low power consumption:
− Active: 385 mW (max.)
•
Access time: 70 nS
•
Single 5V power supply
•
Fully static operation
•
All inputs and outputs directly TTL compatible
•
Three-state outputs
•
Battery back-up operation capability
•
Data retention voltage: 2V (min.)
•
Packaged in 32-pin 600 mil DIP, 450 mil SOP,
standard type one TSOP (8 mm × 20 mm) and
small type one TSOP (8 mm × 13.4 mm)
PIN CONFIGURATIONS
32-pin
SOP
32-pin
TSOP
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
1
NC
A16
2
A14
3
4
A12
A7
5
A6
6
A5
7
A4
8
A3
9
A2
10
A1
11
A0
12
I/O1
13
I/O2
14
I/O3
15
V
SS
16
A11
A8
A13
4
WE
A15
NC
A16
11
A14
A12
A7
A6
15
A5
A4
BLOCK DIAGRAM
CLK GEN.
A16
V
DD
A15
CS2
WE
A13
A8
A9
A11
OE
A10
CS1
I/O8
I/O7
I/O6
I/O5
I/O4
PIN DESCRIPTION
A14
A12
I/O1
I/O8
WE
CS1
CS2
A4
A3
A2
A7
A6
A5
A9
:
OE
SYMBOL DESCRIPTION
32
A10
31
30
I/O8
29
27
26
25
VSS
24
23
I/O2
22
21
A0
20
A1
19
A2
18
A3
17
A0−A16
I/O1−I/O8
, CS2
VDD Power Supply
VSS Ground
Address Inputs
Data Inputs/Outputs
Chip Select Input
Write Enable Input
Output Enable Input
NC No Connection
W
D
C
O
D
DATA
CNTRL.
CLK
GEN.
R
O
E
E
R
A15
PRECHARGE CKT.
CORE CELL ARRAY
1024 ROWS
128 X 8 COLUMNS
I/O CKT.
COLUMN DECODER
A0 A11
A13A8A1
A10
Publication Release Date: October 1999
- 1 - Revision A1
Page 2
TRUTH TABLE
CS1
OE WE
CS1
CS1
CS
CS1
Preliminary W24100
CS2
MODE
I/O1−I/O8
VDD CURRENT
H X X X Not Selected High Z ISB, ISB1
X L X X Not Selected High Z ISB, ISB1
L H H H Output Disable High Z IDD
L H L H Read Data Out IDD
L H X L Write Data In IDD
DC CHARACTERISTICS
Absolute Maximum Ratings
PARAMETER RATING UNIT
Supply Voltage to VSS Potential -0.5 to +7.0 V
Input/Output to V
SS
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.
°
C
°
C
Operating Characteristics
(VDD = 5V ±10%; VSS = 0V; TA = 0° C to 70° C)
PARAMETER
Input Low Voltage
Input High Voltage
Input Leakage Current
Output Leakage
Current
Output Low Voltage
Output High Voltage
Operating Power
Supply Current
Standby Power Supply
Current
Note: Typical parameter is measured under ambient temperature TA = 25° C and VDD = 5V.
Note: These parameters are sampled but not 100% tested.
I/O
V
AC CHARACTERISTICS
AC Test Conditions
PARAMETER CONDITIONS
Input Pulse Levels 0V to 3.0V
Input Rise and Fall Times 5 nS
Input and Output Timing Reference Level 1.5V
Output Load See the drawing below
OUT
= 0V 8 pF
AC Test Loads and Waveform
OUTPUT
1 TTL
100 pF
Including
Jig and
Scope
3.0V
0V
5 nS
1 TTL
OUTPUT
5 pF
Including
Jig and
Scope
(For TTTTTT)
CLZ, OLZ, CHZ, OHZ, WHZ, OW
90%
10%
90%
10%
5 nS
Publication Release Date: October 1999
- 3 - Revision A1
Page 4
Preliminary W24100
CS1
AC Characteristics, continued
(VDD = 5V ±10%; VSS = 0V; TA = 0° C to 70° C)
Read Cycle
PARAMETER SYM. W24100-70L W24100-70LL UNIT
MIN. MAX. MIN. MAX.
Read Cycle Time TRC 70 - 70 - nS
Address Access Time TAA - 70 - 70 nS
Chip Select Access Time T
Output Enable to Output Valid T
Chip Selection to Output in Low Z T
Output Enable to Output in Low Z T
Chip Deselection to Output in High Z T
Output Disable to Output in High Z T
Output Hold from Address Change TOH 10 - 10 - nS
These parameters are sampled but not 100% tested
∗
ACS
- 70 - 70 nS
AOE
- 35 - 35 nS
CLZ
* 10 - 10 - nS
OLZ
* 5 - 5 - nS
CHZ
* - 30 - 30 nS
OHZ
* - 30 - 30 nS
Write Cycle
PARAMETER SYM. W24100-70L W24100-70LL UNIT
MIN. MAX. MIN. MAX.
Write Cycle Time TWC 70 - 70 - nS
Chip Selection to End of Write TCW 50 - 50 - nS
Address Valid to End of Write TAW 50 - 50 - nS
Address Setup Time TAS 0 - 0 - nS
Write Pulse Width TWP 50 - 50 - nS
Write Recovery Time
, CS2, WE
TWR 0 - 0 - nS
Data Valid to End of Write TDW 30 - 30 - nS
Data Hold from End of Write TDH 0 - 0 - nS
Write to Output in High Z T
Output Disable to Output in High Z T
WHZ
* - 25 - 25 nS
OHZ
* - 25 - 25 nS
Output Active from End of Write TOW 5 - 5 - nS
These parameters are sampled but not 100% tested
∗
- 4 -
Page 5
TIMING WAVEFORMS
Read Cycle 1
(Address Controlled)
Address
DOUT
Read Cycle 2
(Chip Select Controlled)
CS1
Preliminary W24100
T
RC
T AA
T
OH
T
OH
CS2
D
OUT
Read Cycle 3
(Output Enable Controlled)
Address
OE
CS1
CS2
D
OUT
T
ACS
T
CLZ
T
CHZ
T
RC
T
AA
T
AOE
T
OLZ
T
ACS
T
CLZ
T
OH
T
OHZ
T
CHZ
Publication Release Date: October 1999
- 5 - Revision A1
Page 6
Timing Waveforms, continued
Write Cycle 1
Address
OE
CS1
CS2
WE
D OUT
D
IN
Preliminary W24100
T
WC
T
WR
T
CW
T
AW
T
T
AS
T
OHZ
(1, 4)
WP
T
T
DW
DH
Write Cycle 2
(OE = VIL Fixed)
T
WC
Address
WP
WHZ
(1, 4)
T
DW
T
WR
T
OH
T
OW
T
DH
(2)(3)
T
CW
CS1
CS2
T
AW
WE
D
OUT
D
IN
T
AS
T
T
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 DOUT are the same as the data written to DIN during the write cycle.
OUT
3. D
provides the read data for the next address.
4. Transition is measured ±500 mV from steady state with CL = 5 pF. This parameter is guaranteed but not 100% tested.
- 6 -
Page 7
DATA RETENTION CHARACTERISTICS
CS
CS
(TA = 0° C to 70° C)
PARAMETER SYM. TEST CONDITIONS MIN. TYP. MAX. UNIT
Preliminary W24100
VDD for Data Retention VDR
Data Retention Current I
Chip Deselect to Data
DDDR
CDR
T
≥ VDD -0.2V
≥ VDD -0.2V, VDD = 3V
See data retention waveform 0 - - nS
2.0 - - V
- - 50
µ
A
Retention Time
Operation Recovery Time TR TRC* - - nS
Read Cycle Time
*
DATA RETENTION WAVEFORM
VDD
CS1
CS2
0.9 DD
V
T
CDR
CS
0.9 DD
>
DR
2V
V
=
>
DD
V
-0.2V
=
V
R
T
Publication Release Date: October 1999
- 7 - Revision A1
Page 8
ORDERING INFORMATION
Preliminary W24100
PART NO. ACCESS
TIME (nS)
W24100-70L 70 70 100 600 mil DIP
W24100-70LL 70 70 50 600 mil DIP
W24100S-70L 70 70 100 450 mil SOP
W24100S-70LL 70 70 50 450 mil SOP
W24100T-70L 70 70 100 Standard type one TSOP
W24100T-70LL 70 70 50 Standard type one TSOP
W24100Q-70L 70 70 100 Small type one TSOP
W24100Q-70LL 70 70 50 Small type one 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.
OPERATING
CURRENT
MAX. (mA)
STANDBY
CURRENT
MAX. (
µ
A)
PACKAGE
- 8 -
Page 9
PACKAGE DIMENSIONS
2. Dimension E1 does not include interlead flash.
3. Dimensions D & E1 include mold mismatch and
6. General appearance spec. should be based on
1
1
32-pin P-DIP
Preliminary W24100
32
E
1
S
2
A
A
L
D
B
B
32-pin SOP Wide Body
32
1
D
S
Seating Plane
y
Dimension in inches
Symbol
Min. Nom. Max.Max.Nom.Min.
A
0.010
A
1
0.150
0.155
A
2
0.016
0.018
B
0.0501.27
B
1
0.010
c
17
16
A
1
Base Plane
Seating Plane
1e
17
E H
E
16
b
e
E
e
A
a
e
1
θ
L
Detail F
1
c
c
A
2
A
e
A
1
See Detail F
L
E
0.008
1.650 1.660
D
0.6000.590
E
E1
e
1
0.120
0.130
L
015
a
0.6500.63016.00 16.51
e
A
S
Notes:
1. Dimensions D Max. & S include mold flash or
tie bar burrs.
are determined at the mold parting line.
4. Dimension B1 does not include dambar
protrusion/intrusion.
5. Controlling dimension: Inches
final visual inspection spec.
Dimension in Inches
Symbol
Min. Nom. Max.Max.Nom.Min.
A
0.004
A
1
0.101
A
2
0.014
b
0.0080.006
c
D
H
L
θ
Notes:
1. Dimensions D Max. & S include mold flash
or tie bar burrs.
2. Dimension b does not include dambar
protrusion/intrusion.
3. Dimensions D & E include mold mismatch
and determined at the mold parting line.
4. Controlling dimension: Inches
5. General appearance spec should be based
on final visual inspection spec.
0.805
E
e
E
0.023
L
0.047
E
S
y
0
Dimension in mm
0.210
0.25
0.160
3.81
0.41
0.022
0.20
0.014
0.610
14.99
13.84
0.5550.5500.545
0.110
2.29 2.54 2.790.090 0.100
3.05
0.140
0.670
0.085
0.118
0.106
0.111
0.016
0.020
0.0120.31
0.817
11.18
0.4500.4450.440
0.056
0.5560.5560.54614.3814.1213.87
0.039
0.031
0.063 1.19
0.055
0.036
0.004
10
.
3.94
0.46
0.25
41.91 42.16
15.24
13.97
3.30
Dimension in mm
0.10
2.57
2.69
0.36
0.41
0.200.15
20.45
11.30
1.12 1.27 1.420.044 0.050
0.79 0.99
0.58
1.40
0
5.33
4.06
0.56
1.371.220.0540.048
0.36
15.49
14.10
3.56
17.02
2.16
150
3.00
2.82
0.51
20.75
11.43
1.60
0.91
0.10
10
- 9 - Revision A1
Publication Release Date: October 1999
Page 10
Package Dimensions, continued
32-pin Standard Type One TSOP
H
D
D
1
M
e
0.10(0.004)
b
θ
L
L
1
Preliminary W24100
Dimension in Inches
Symbol
Min. Nom. Max.
__
__
c
E
A
A
2
A
1
Y
A
A
1
A
2
b
c
D
E
H
D
e
L
L
1
Y
θ
Controlling dimension: Millimeters
__
0.002
0.037
0.039
0.007 0.008
0.005 0.006
0.720 0.724
0.311 0.315
0.780 0.787
__
0.020
0.016 0.020
__
0.031
0.0000.004
1
0.047
0.006
0.041
0.009
0.007
0.728
0.319
0.795
35
__
0.024
____
Dimension in mm
Min.
Nom.
__
__
__
0.05
0.95
0.17
0.20 0.23
0.12
0.15 0.17
18.30
18.40 18.50
7.90
8.00 8.10
19.80
20.00 20.20
__
0.50
0.40
0.50 0.60
0.80
____
0.00
1
35
Max.
1.20
0.15
1.051.00
__
__
0.10
32-pin Small Type One TSOP
H
D
D
1
e
b
θ
L
L
1
Dimension in Inches
Symbol
Min.
Nom. Max.
c
E
2
A
A
1
A
Y
A
0.002
A
1
2
0.037
A
0.007
b
0.0056 0.0059 0.0062
c
0.461
D
E
0.520
D
H
e
L
0.012
1
L
0.027
Y
0.0000.004
θ
0.039
0.008 0.009
0.465
0.315
0.528
0.020
0.020
Controlling dimension: Millimeters
0.049
0.006
0.041
0.469
0.319
0.536
0.028
Dimension in mm
Nom.
Min.
0.050.15
0.95
0.17
0.20 0.27
0.14
0.15 0.16
11.70
11.80 11.90
7.90 8.00 8.100.311
13.20
13.40 13.60
0.50
0.50 0.70
0.30
0.675
0.00
035035
Max.
1.25
1.051.00
0.10
- 10 -
Page 11
Preliminary W24100
VERSION HISTORY
VERSION DATE PAGE DESCRIPTION
A1 Oct. 1999 - Initial Issued
Headquarters
No. 4, Creation Rd. III,
Science-Based Industrial Park,
Hsinchu, Taiwan
TEL: 886-3-5770066
FAX: 886-3-5796096
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
Note: All data and specifications are subject to change without notice.
Winbond Electronics (H.K.) Ltd.
Rm. 803, World Trade Square, Tower II,
123 Hoi Bun Rd., Kwun Tong,
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
Publication Release Date: October 1999
- 11 - Revision A1
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