W27L02
256K × 8 ELECTRICALLY ERASABLE EPROM
1. GENERAL DESCRIPTION
The W27L02 is a high speed, low power consumption E...
W27L02
256K × 8 ELECTRICALLY ERASABLE EPROM
1. GENERAL DESCRIPTION
The W27L02 is a high speed, low power consumption Electrically Erasable and Programmable Read Only Memory organized as 262,144 x 8 bits. It requires only one supply in the range of 3.3V ±10% in normal read mode. The W27L02 provides an electrical chip erase function.
2. FEATURES
Wide range for power supply
voltage: 3.3V ±10%
High speed access time: 70/90 nS (max.) Read operating current: 15 mA (max.) Erase/Programming operating current:
30 mA (max.)
Standby current: 20 µA (max.)
+12V erase/programming
voltage
Fully static operation
All inputs and outputs directly TTL/
CMOS compatible
Three-state outputs
Available packages: 32-lead PLCC and 32-lead STSOP
3. PIN CONFIGURATIONS
4. BLOCK DIAGRAM
A AA
V
V
# P
A
1 1 1 p D G1
2 5 6 p D M7
VDD Vss VPP
#PGM #CE #OE
CONTROL
OUTPUT BUFFER
Q0 . .
Q7
4321 33 3
A7 5
2 1 0 29
A14
A6 6
28 A13
A5 7
27 A8
A4 A3
8 9
32-...
