Rainbow Electronics AT27C800 - Manual

1
Features
• Read Access Time - 90 ns
• Word-wide or Byte-wide Configurable
• 8-Megabit Flash and Mask ROM Compatable
• Low Power CMOS Operation
– 100 µA Maximum Standby
– 50 mA Maximum Active at 5 MHz
• Wide Selection of JEDEC Standard Packages
– 42-Lead 600 mil PDIP
– 44-Lead PLCC
– 44-Lead SOIC (SOP)
– 48-Lead TSOP (12 mm x 20 mm)
• 5V
±±±±
10% Power Supply
• High Reliability CMOS Technology
– 2,000 ESD Protection
– 200 mA Latchup Immunity
• Rapid™ Programming Algorithm - 50 µs/word (typical)
• CMOS and TTL Compatible Inputs and Outputs
• Integrated Product Identification Code
• Commercial and Industrial Temperature Ranges
Description
The AT27C800 is a low-power, high performance 8,388,608-bit UV erasable program-
mable read only memory (EPROM) organized as either 512K by 16 or 1024K by 8
Rev. 0801B–10/98
Pin Configurations
Pin Name Function
A0 - A18 Addresses
O0 - O15 Outputs
O15/A-1 Output/Address
BYTE/VPP
Byte Mode/
Program Supply
CE Chip Enable
OE Output Enable
NC No Connect
TSOP
Type 1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
A15
A14
A13
A12
A11
A10
A9
A8
NC
NC
NC
NC
NC
NC
NC
A18
A17
A7
A6
A5
A4
A3
A2
A1
A16
BYTE/VPP
GND
O15/A-1
O7
O14
O6
O13
O5
O12
O4
VCC
O11
O3
O10
O2
O9
O1
O8
O0
OE
GND
CE
A0
PDIP Top View
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
A18
A17
A7
A6
A5
A4
A3
A2
A1
A0
CE
GND
OE
O0
O8
O1
O9
O2
O10
O3
O11
NC
A8
A9
A10
A11
A12
A13
A14
A15
A16
BYTE/VPP
GND
O15/A-1
O7
O14
O6
O13
O5
O12
O4
VCC
SOIC (SOP)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
NC
A18
A17
A7
A6
A5
A4
A3
A2
A1
A0
CE
GND
OE
O0
O8
O1
O9
O2
O10
O3
O11
NC
NC
A8
A9
A10
A11
A12
A13
A14
A15
A16
BYTE/VPP
GND
O15/A-1
O7
O14
O6
O13
O5
O12
O4
VCC
(continued)
8-Megabit
(512K x 16 or
1024K x 8)
OTP EPROM
AT27C800
PLCC Top View
7
8
9
10
11
12
13
14
15
16
17
39
38
37
36
35
34
33
32
31
30
29
A4
A3
A2
A1
A0
CE
GND
OE
O0
O8
O1
A12
A13
A14
A15
A16
BYTE/VPP
GND
O15/A-1
O7
O14
O6
6 5 4 3 2 1
44 43 42 41 40
18 19 20 21 22 23 24 25 26 27 28
O9 O2
O10
O3
O11
NC
VCC
O4
O12
O5
O13
A5 A6 A7 A17 A18 NC NC A8 A9 A10 A11
Note: PLCC Package Pin 23 is
DON’T CONNECT.