AT27C2048-90JI Atmel, AT27C2048-90JI Datasheet - Page 2

• Manufacturer Part Number: AT27C2048-90JI
• Description: IC OTP 2MBIT 90NS 44PLCC
• Manufacturer: Atmel

Specifications of AT27C2048-90JI

• Format - Memory: EPROMs
• Memory Type: OTP EPROM
• Memory Size: 2M (128K x 16)
• Speed: 90ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-PLCC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: AT27C204890JI

2. Pin Configurations
Note:
2.1
2
Pin Name
A0 - A16
O0 - O15
CE
OE
PGM
NC
DC
Both GND pins must be connected.
40-lead PDIP Top View
AT27C2048
GND
VPP
O15
O14
O13
O12
O11
O10
CE
OE
O9
O8
O7
O6
O5
O4
O3
O2
O1
O0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Function
Addresses
Outputs
Chip Enable
Output Enable
Program Strobe
No Connect
Don’t Connect
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
VCC
PGM
A16
A15
A14
A13
A12
A11
A10
A9
GND
A8
A7
A6
A5
A4
A3
A2
A1
A0
2.2
2.3
Note:
40-lead VSOP (Type 1) Top View
44-lead PLCC Top View
Note: PLCC package pins 1 and 23 are Don’t Connect.
PGM
VCC
VPP
O15
O14
O13
O12
O11
O10
A10
A11
A12
A13
A14
A15
A16
CE
O9
O8
A9
GND
O12
O11
O10
NC
O9
O8
O7
O6
O5
O4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
7
8
9
10
11
12
13
14
15
16
17
39
38
37
36
35
34
33
32
31
30
29
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
A13
A12
A11
A10
A9
GND
NC
A8
A7
A6
A5
0632F–EPROM–12/07
GND
A8
A7
A6
A5
A4
A3
A2
A1
A0
OE
O0
O1
O2
O3
O4
O5
O6
O7
GND