AT27C020-55PU Atmel, AT27C020-55PU Datasheet - Page 2
![IC OTP 2MBIT 55NS 32DIP](/photos/7/21/72192/313-32-dip_sml.jpg)
AT27C020-55PU
Manufacturer Part Number
AT27C020-55PU
Description
IC OTP 2MBIT 55NS 32DIP
Manufacturer
Atmel
Specifications of AT27C020-55PU
Format - Memory
EPROMs
Memory Type
OTP EPROM
Memory Size
2M (256K x 8)
Speed
55ns
Interface
Parallel
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Package / Case
32-DIP (0.600", 15.24mm)
Organization
256 K x 8
Access Time
55 ns
Supply Voltage (max)
5.5 V
Supply Voltage (min)
4.5 V
Maximum Operating Temperature
85 C
Interface Type
Parallel
Minimum Operating Temperature
- 40 C
Mounting Style
Through Hole
Capacitance, Input
4 pF
Capacitance, Output
8 pF
Current, Input, Leakage
±1 μA
Current, Operating
25 mA (Read)
Current, Output, Leakage
±5
Density
2M
Package Type
PDIP
Temperature, Operating
-40 to +85 °C
Time, Access
55 ns
Time, Address Setup
2
Time, Fall
20 ns
Time, Rise
20 ns
Voltage, Esd
2000 V
Voltage, Input, High
5.5 V (Read)
Voltage, Input, Low
0.8 V (Read)
Voltage, Output, High
2.4 V (Read)
Voltage, Output, Low
0.4 V (Read)
Voltage, Supply
5 V
Memory Configuration
256K X 8
Supply Voltage Range
4.5V To 5.5V
Memory Case Style
PDIP
No. Of Pins
32
Operating Temperature Range
-40°C To
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
2. Pin Configurations
2.1
2.2
2
Pin Name
A0 - A17
O0 - O7
CE
OE
PGM
32-lead PLCC Top View
32-lead PDIP Top View
AT27C020
O0
A7
A6
A5
A4
A3
A2
A1
A0
GND
VPP
A16
A15
A12
5
6
7
8
9
10
11
12
13
O0
O1
O2
A7
A6
A5
A4
A3
A2
A1
A0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
29
28
27
26
25
24
23
22
21
VCC
PGM
A17
A14
A13
A8
A9
A11
OE
A10
CE
07
06
05
04
03
A14
A13
A8
A9
A11
OE
A10
CE
07
Function
Addresses
Outputs
Chip Enable
Output Enable
Program Strobe
2.3
PGM
VCC
VPP
A11
A13
A14
A17
A16
A15
A12
A9
A8
A7
A6
A5
A4
32-lead TSOP (Type 1) Top View
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
0570G–EPROM–12/07
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
OE
A10
CE
07
06
05
04
03
GND
02
01
O0
A0
A1
A2
A3