Rainbow Electronics W27L010 - Manual

Preliminary W27L010
128K
×
8 ELECTRICALLY ERASABLE EPROM
Publication Release Date: February 1999
- 1 - Revision A1
GENERAL DESCRIPTION
The W27L010 is a high speed, low power consumption Electrically Erasable and Programmable Read
Only Memory organized as 131072
×
8 bits. It requires only one supply in the range of 3.0V to 3.6V in
normal read mode. The W27L010 provides an electrical chip erase function.
FEATURES
• High speed access time:
90/120 nS (max.)
• Read operating current: 10 mA (max.)
• Erase/Programming operating current:
30 mA (max.)
• Standby current: 20
µ
A (max.)
• Low voltage power supply range, 3.0V to 3.6V
• +14V erase/+12V programming voltage
• Fully static operation
• All inputs and outputs directly TTL/CMOS
compatible
• Three-state outputs
• Available packages: 32-pin 600 mil DIP, 450
mil SOP and PLCC
PIN CONFIGURATIONS
A6
A5
A4
A3
A2
A1
A0
Q0
5
6
7
8
9
10
11
12
13
Q
1 Q
2 Q
4 Q
5 Q
6
1
4
4 3 2 1 3
2 3
1 3
0
A14
A13
A8
A9
OE
A11
Q7
29
28
27
26
25
24
23
22
21
32-pin PLCC
G
N
D
1
5 1
6 1
7 1
8 1
9 2
0
N
C
V
c
c
CE
A10
Q5
OE
A10
Q7
Q6
A13
A8
A9
A11
PGM
NC
Q0
A0
A2
A3
A4
A5
A6
A7
A12
A15
A16
A14
A1
Vcc Vpp
A
1
5 A
1
6
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
30
31
32
25
26
27
28
29
20
21
22
23
24
19
18
17 Q3
Q4
GND
Q2
CE
Q1
Q
3
A7
A
1
2 V
p
p
/
P
G
M
32-pin DIP
BLOCK DIAGRAM
CONTROL
OUTPUT
BUFFER
DECODER
CORE
ARRAY
Q0
Q7
.
.
CE
OE
A0
.
.
V
GND
CC
A16
PGM
V
PP
PIN DESCRIPTION
SYMBOL DESCRIPTION
A0
−
A16 Address Inputs
Q0
−
Q7 Data Inputs/Outputs
CE Chip Enable
OE Output Enable
PGM Program Enable
V PP Program/Erase Supply Voltage
V CC Power Supply
GND Ground
NC No Connection