AT27LV1026 Datasheet, PDF (1/12 Pages) ATMEL Corporation – 1-Megabit 2 x 32K x 16 16-Bit Interleaved Low-Voltage OTP EPROM

Features
• Fast Interleave Cycle Time - 35 ns
• Continuous Memory Interleaving
– Unlimited Linear Access Data Output
• Dual Voltage Range Operation
– Low Voltage Power Supply Range, 3.0V to 3.6V
or Standard 5V ± 10% Supply Range
• Low Power CMOS Operation
– 108 mW max. Active at 25 MHz for V_CC = 3.6V
– 14.4 mW max. Standby for V_CC = 3.6V
• JEDEC Standard Surface Mount Packages
– 44-Lead PLCC
– 40-Lead VSOP (10 x 14mm)
• High Reliability CMOS Technology
– 2,000V ESD Protection
– 200 mA Latchup Immunity
• Rapid^™ Programming Algorithm - 50 µs/word (typical)
• CMOS and TTL Compatible Inputs and Outputs
– JEDEC Standard for LVTTL
• Integrated Product Identification Code
• Commercial and Industrial Temperature Ranges
1-Megabit
(2 x 32K x 16)
16-Bit Interleaved
Low-Voltage OTP
EPROM
Description
The AT27LV1026 is a high performance 16-bit interleaved low-voltage 1,048,576-bit
one-time programmable read only memory (OTP EPROM) organized as 2 x 32K x 16
bits. It requires only one supply in the range of 3.0V to 3.6V in normal read mode
operation.
Pin Configurations
AT27LV1026
Preliminary
Pin Name Function
A0 - A15 Addresses
O0 - O15 Outputs
CS
Chip Select
RD
Read Strobe
ALE
Address Latch Enable
PGM
Program Strobe
NC
No Connect
Note: Both GND pins must be
connected.
PLCC Top View
O13 O15 VPP VCC ALE A14
O14 CS GND PGM A15
O12
O11
O10
O9
O8
GND
NC
O7
O6
O5
O4
6 4 2 44 42 40
7 5 3 1 43 41 39
8
38
9
37
10
36
11
35
12
34
13
33
14
32
15
31
16
30
17 19 21 23 25 27 29
18 20 22 24 26 28
O2 O0 GND A1 A3
O3 O1 RD A0 A2 A4
A13
A12
A11
A10
A9
GND
NC
A8
A7
A6
A5
VSOP Top View
Type 1
A9
A10
A11
A12
A13
A14
A15
ALE
PGM
VCC
VPP
CS
O15 _O14
O13 _O12
O11 _O10
O9 _O8
1
2
3
4
5
6
7
8
9
10
11
12
14 ¹³
16 ¹⁵
18 ¹⁷
20 ¹⁹
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26 ₂₅
24 ₂₃
22 ₂₁
GND
A8
A7
A6
A5
A4
A3
A2
A1
A0
RD
O0
O2 ^O1
O4 ^O3
O6 ^O5
GND ^O7
Rev. 0956D–02/98
1