MX27C4000
4M-BIT [512K x8] CMOS EPROM
FEATURES
• 512K x 8 organization
• Operating current: 40mA
• Single +5V power supply
• +12.5V programming voltage
• Fast access time: 90/100/120/150 ns
• Totally static operation
• Standby current: 100uA
• Package type:
- 32 pin plastic DIP
- 32 pin PLCC/SOP
- 32 pin TSOP
• Completely TTL compatible
GENERAL DESCRIPTION
programmers may be used. The MX27C4000 supports
aintelligentfastprogrammingalgorithmwhichcanresult
in programming time of less than two minutes.
The MX27C4000 is a 5V only, 4M-bit, One Time
Programmable Read Only Memory. It is organized as
512K words by 8 bits per word, operates from a single
+5volt supply, hasastaticstandby mode, andfeatures
fastsingleaddresslocationprogramming. Allprogram-
mingsignalsareTTLlevels,requiringasinglepulse.For
programmingoutsidefromthesystem,existingEPROM
This EPROM is packaged in industry standard 32 pin
dual-in-linepackages, 32leadPLCC, 32leadSOP, and
32 lead TSOP packages.
PIN CONFIGURATIONS
32 PLCC
32 TSOP
32 PDIP/SOP
A11
A9
1
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
OE
A10
CE
Q7
Q6
Q5
Q4
Q3
GND
Q2
Q1
Q0
A0
VCC
A18
A17
A14
A13
A8
VPP
A16
A15
A12
A7
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
1
2
2
4
5
1
32
30
29
A8
3
3
A14
A13
A8
A7
A6
A5
A4
A3
A2
A1
A0
Q0
A13
A14
A17
A18
VCC
VPP
A16
A15
A12
A7
4
4
5
5
6
A6
6
7
A9
A5
7
A9
8
A11
OE
A10
CE
A4
8
MX27C4000
9
A11
OE
A10
CE
Q7
9
25
MX27C4000
A3
9
10
11
12
13
14
15
16
A2
10
11
12
13
14
15
16
A1
Q7
A0
Q6
Q0
A6
A1
13
14
21
Q5
Q1
A5
A2
17
20
Q4
Q2
A4
A3
Q3
GND
BLOCK DIAGRAM
PIN DESCRIPTION
CE
CONTROL
OUTPUT
SYMBOL
A0~A18
Q0~Q7
CE
PIN NAME
Address Input
Q0~Q7
LOGIC
OE
BUFFERS
Data Input/Output
Chip Enable Input
Output Enable Input
Program Supply Voltage
Power Supply Pin (+5V)
Ground Pin
.
.
.
.
.
.
.
.
.
Y-DECODER
X-DECODER
Y-SELECT
.
.
.
.
.
.
.
OE
A0~A18
ADDRESS
INPUTS
4M BIT
CELL
VPP
MAXTRIX
VCC
GND
VCC
VSS
1
REV. 3.4, AUG. 20, 2001
P/N: PM00192