w27e512 Winbond Electronics Corp America, w27e512 Datasheet

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w27e512

Manufacturer Part Number
w27e512
Description
64k X 8 Electrically Erasable Eprom
Manufacturer
Winbond Electronics Corp America
Datasheet

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GENERAL DESCRIPTION
The W27E512 is a high speed, low power Electrically Erasable and Programmable Read Only
Memory organized as 65536
provides an electrical chip erase function.
FEATURES
PIN CONFIGURATIONS
High speed access time:
45/55/70/90/120/150 nS (max.)
Read operating current: 30 mA (max.)
Erase/Programming operating current
30 mA (max.)
Standby current: 1 mA (max.)
Single 5V power supply
OE/Vpp
V
A1
A0
NC
Q0
A11
A13
A14
A15
A12
A6
A5
A4
A3
A2
CC
A5
A3
A9
A8
A7
A6
A4
GND
A15
A12
Q0
Q2
64K
Q1
A7
A6
A5
A4
A3
A2
A1
A0
5
6
7
8
9
10
11
12
13
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
4
A
7
Q
1
4 3 2 1 3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
A
1
2
1
5
Q
2
1
6
G
N
D
A
1
5
28-pin
32-pin
PLCC
DIP
28-pin
TSOP
N
C
1
7
N
C
V
C
C
1
8
2
Q
3
A
1
4
1
9
Q
4
3
1
8 ELECTRICALLY ERASABLE EPROM
28
27
26
25
24
23
22
21
20
19
18
17
15
16
A
1
3
2
0
Q
5
3
0 29
26
25
23
22
21
28
27
24
28
27
26
25
24
23
22
21
20
19
18
17
16
15
A14
A13
A8
A9
A11
OE/Vpp
A10
CE
Q7
Q6
Q5
Q4
Q3
V
8 bits that operates on a single 5 volt power supply. The W27E512
CC
A11
NC
OE/Vpp
A10
A8
A9
CE
Q7
Q6
A10
CE
Q2
Q1
Q0
A0
A1
A2
Q7
Q6
Q5
Q4
Q3
GND
- 1 -
BLOCK DIAGRAM
PIN DESCRIPTION
+14V erase/+12V programming voltage
Fully static operation
All inputs and outputs directly TTL/CMOS
compatible
Three-state outputs
Available p
SOP, TSOP and 32-pin PLCC
SYMBOL
A0 A15
OE /V
Q0 Q7
GND
V
NC
CE
CC
OE/V
PP
GND
A15
CE
V
A0
.
.
PP
CC
ackages: 28-pin 600 mil DIP, 330 mil
Publication Release Date: June 2000
DECODER
CONTROL
Address Inputs
Data Inputs/Outputs
Chip Enable
Output Enable, Program/Erase
Supply Voltage
Power Supply
Ground
No Connection
DESCRIPTION
OUTPUT
BUFFER
ARRAY
CORE
W27E512
Revision A9
Q0
Q7
.
.

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w27e512 Summary of contents

Page 1

... ELECTRICALLY ERASABLE EPROM GENERAL DESCRIPTION The W27E512 is a high speed, low power Electrically Erasable and Programmable Read Only Memory organized as 65536 8 bits that operates on a single 5 volt power supply. The W27E512 provides an electrical chip erase function. FEATURES High speed access time: 45/55/70/90/120/150 nS (max ...

Page 2

... The erase operation is the only way to change data from "0" to "1." Unlike conventional UVEPROMs, which use ultraviolet light to erase the contents of the entire chip (a procedure that requires up to half an hour), the W27E512 uses electrical erasure. Generally, the chip can be erased within 100 mS by using an EPROM writer with a special erase algorithm. ...

Page 3

... OE /V Two-line Output Control Since EPROMs are often used in large memory arrays, the W27E512 provides two control inputs for multiple memory connections. Two-line control provides for lowest possible memory power dissipation and ensures that data bus contention will not occur. ...

Page 4

... IL and removed simultaneously or after W27E512 RATING UNIT -55 to +125 C -65 to +125 C +0 -0.5 to +14.5 V -0.5 to +14 LIMITS UNIT MIN. TYP. MAX. - -0.3 - 0 ...

Page 5

... OUT OUT CONDITIONS +1.3V (IN914) 3.3K ohm 100 pF for 90/120/150 nS (Including Jig and Scope for 45/55/70 nS (Including Jig and Scope) Output Test Point Test Point 1.5V 1.5V Publication Release Date: June 2000 - 5 - W27E512 MAX. UNIT 3. 1.5V/1. pF -0.4 mA/2.1 mA Revision A9 ...

Page 6

... W27E512 LIMITS UNIT TYP. MAX 1 100 W27E512-12 W27E512-15 UNIT MIN. MAX. MIN. MAX. 120 - 150 - nS - 120 - 150 nS - 120 - 150 ...

Page 7

... T PWE OES T OEH T DV1 T DV2 T DFP AHC 3.75V ACV = 3.75V OEV and removed simultaneously or after V PP Publication Release Date: June 2000 - 7 - W27E512 LIMITS UNIT TYP. MAX 12.0 12.5 V 12.0 12.25 V 5.0 5.5 V LIMITS UNIT MIN ...

Page 8

... ACV T AHC OUT OUT Data All One VCS 3.75V T OES T =150 nS OEV OEH T PRT Always PWE W27E512 Valid Output High Z Blank Check Read Verify Address Valid Address Valid T ACC D OUT ...

Page 9

... Data Data In Stable Out DV2 DV1 T OEH should not be toggled during program verify period Publication Release Date: June 2000 - 9 - W27E512 Read Verify Address Valid T DFP Data Out T ACC Revision A9 ...

Page 10

... Address = First Location Vcc = 5.0V OE/Vpp = 12V Program One 100 S Pulse Last Address? Yes Address = First Location Fail Verify Byte Program One 100 S Pulse Vcc = 5.0V OE/Vpp = V IL Compare Fail All Bytes to Original Data Pass Device Passed - 10 - W27E512 Increment Yes Device Failed ...

Page 11

... Program One 100 S Pulse OE/V = 12V PP Increment X Yes X = 25? No Verify One Byte Verify One Byte OE/V OE Pass No Last Address ? Yes Compare Fail All Bytes to Original Data Pass Device Passed Publication Release Date: June 2000 - 11 - W27E512 Fail = V IL Pass Device Failed Revision A9 ...

Page 12

... Increment Address Start Vcc = 5V OE/Vpp = 14V A9 = 14V Address = First Location Increment X Vcc = 3.75V OE/Vpp = V IL Fail Erase Verify Pass Last Address? Yes Vcc = 5V OE/Vpp = V IL Compare Fail All Bytes to FFs (HEX) Pass Pass Device - 12 - W27E512 Yes Fail Device ...

Page 13

... W27E512S-90 90 W27E512S-12 120 W27E512S-15 150 W27E512Q-45 45 W27E512Q-55 55 W27E512Q-70 70 W27E512Q-90 90 W27E512Q-12 120 W27E512Q-15 150 W27E512P-45 45 W27E512P-55 55 W27E512P-70 70 W27E512P-90 90 W27E512P-12 120 W27E512P-15 150 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 ...

Page 14

... Base Plane 1 Seating Plane Detail See Detail W27E512 Dimension in Inches Dimension in mm Symbol Min. Nom. Max. Nom. Min. Max. A 5.33 0.210 A 0.010 0. 0.150 0.155 0.160 3.81 3.94 4. 0.016 0.018 0.022 ...

Page 15

... Dimension D & not include interlead flash Dimension b does not include dambar protrusion/intrusion. 3. Controlling dimension: Inches. 4. General appearance spec. should be based on final visual A 1 inspection spec W27E512 Dimension In Inches Dimension In mm Max. Min. Nom. Max. Min. Nom. 1.20 0.047 0.05 ...

Page 16

... Winbond Systems Lab. Winbond Systems Lab. TEL: 852-27513100 TEL: 852-27513100 2727 N. First Street, San Jose, 2727 N. First Street, San Jose, FAX: 852-27552064 FAX: 852-27552064 CA 95134, U.S.A. CA 95134, U.S.A. TEL: 408-9436666 TEL: 408-9436666 FAX: 408-5441798 FAX: 408-5441798 - 16 - W27E512 and High. Erase Voltage (V and ...

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