PRELIMINARY
MX27C2000A
2M-BIT[256Kx8]CMOSEPROM
FEATURES
• 256Kx 8 organization
• Operatingcurrent:30mA
• Single +5V power supply
• +12.5Vprogrammingvoltage
• Fast access time:90/100/120/150 ns
• Totally static operation
• Standby current: 100uA
• Package type:
- 32 pin plastic DIP
- 32 pin PLCC
- 32 pin SOP
• Completely TTL compatible
- 32 pin TSOP
GENERAL DESCRIPTION
The MX27C2000A is a 5V only, 2M-bit, One Time
Programmable Read Only Memory. It is organized as
256K words by 8 bits per word, operates from a single +
5 volt supply, has a static standby mode, and features
fastsingleaddresslocationprogramming. Allprogram-
mingsignalsareTTLlevels,requiringasinglepulse.For
programmingoutsidefromthesystem,existingEPROM
programmersmaybeused. TheMX27C2000Asupports
aintelligentfastprogrammingalgorithmwhichcanresult
in programming time of less than one minute.
ThisOneTimeProgrammableReadOnly ispackagedin
industry standard 32 pin dual-in-line packages, 32 lead
PLCC, 32 lead SOP, 32 lead TSOP packages.
PIN CONFIGURATIONS
32 PDIP/SOP
32 PLCC
VCC
PGM
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
3
4
1
32
30
29
A14
A13
A8
5
A7
A6
A5
A4
A3
A2
A1
A0
Q0
4
5
A6
6
A9
A5
7
A9
A11
OE
A10
CE
A4
8
A3
9
A11
OE
A10
CE
Q7
9
25
MX27C2000A
A2
10
11
12
13
14
15
16
A1
Q7
A0
Q6
Q0
Q5
Q1
13
21
Q4
Q2
14
17
20
Q3
GND
32 TSOP
PIN DESCRIPTION
SYMBOL
A0~A17
Q0~Q7
CE
PIN NAME
Address Input
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
2
A8
3
A13
A14
A17
PGM
VCC
VPP
A16
A15
A12
A7
4
DataInput/Output
Chip Enable Input
5
6
7
8
OE
Output Enable Input
ProgrammableEnableInput
ProgramSupplyVoltage
NoInternalConnection
Power Supply Pin (+5V)
GroundPin
MX27C2000A
9
10
11
12
13
14
15
16
PGM
VPP
NC
A6
A1
A5
A2
VCC
A4
A3
GND
REV. 1.8, JUL. 19, 2001
P/N: PM0708
1