AT27C020-55PU Atmel, AT27C020-55PU Datasheet - Page 2

• 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