MX27C2100/27C2048
BLOCK DIAGRAM (MX27C2100)
PIN CONFIGURATIONS
PDIP(MX27C2100)
A8
NC
A7
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
1
CE
Q0~Q14
A9
CONTROL
LOGIC
OUTPUT
2
OE
Q15/A-1
A10
A11
A12
A13
A14
A15
A16
BYTE/VPP
GND
Q15/A-1
Q7
A6
3
BUFFERS
BYTE/VPP
A5
4
A4
5
A3
6
A2
7
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
Y-DECODER
X-DECODER
Y-SELECT
A1
8
A0
9
CE
GND
OE
Q0
Q8
Q1
Q9
Q2
Q10
Q3
Q11
10
11
12
13
14
15
16
17
18
19
20
A0~A16
2M BIT
CELL
ADDRESS
INPUTS
MAXTRIX
Q14
Q6
Q13
Q5
VCC
GND
Q12
Q4
VCC
PIN DESCRIPTION(MX27C2048)
PIN DESCRIPTION(MX27C2100)
SYMBOL
A0~A16
Q0~Q14
CE
PIN NAME
SYMBOL
A0~A16
Q0~Q15
CE
PIN NAME
Address Input
Address Input
Data Input/Output
Data Input/Output
Chip Enable Input
Output Enable Input
Program Enable Input
Program Supply Voltage
Power Supply Pin (+5V)
Ground Pin
Chip Enable Input
OE
Output Enable Input
Word/Byte Selection
/Program Supply Voltage
Q15(Word mode)/LSB addr. (Byte mode)
Power Supply Pin (+5V)
Ground Pin
OE
BYTE/VPP
PGM
VPP
Q15/A-1
VCC
VCC
GND
GND
TRUTH TABLE OF BYTE FUNCTION(MX27C2100)
BYTE MODE(BYTE = GND)
CE
H
OE
X
Q15/A-1
MODE
Q0-Q7
High Z
High Z
DOUT
SUPPLY CURRENT
Standby(ICC2)
X
Non selected
Non selected
Selected
L
H
X
Operating(ICC1)
Operating(ICC1)
L
L
A-1 input
WORD MODE(BYTE = VCC)
CE
OE
X
Q15/A-1
High Z
High Z
DOUT
MODE
Q0-Q14
High Z
High Z
DOUT
SUPPLY CURRENT
Standby(ICC2)
H
Non selected
Non selected
Selected
L
H
Operating(ICC1)
Operating(ICC1)
L
L
NOTE : X = H or L
P/N: PM0158
REV. 4.3, AUG. 22, 2001
2