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CY7C291A
CY7C292A/CY7C293A
7
Figure 1. Programming Pinouts
C291A-8
C291A-9
1
2
3
4
5
6
7
8
9
10
11
12
16
17
18
19
20
24
23
22
21
13
14
A
8
A
7
A
6
A
5
A
4
A
3
A
2
A
1
A
0
D
0
D
1
D
2
GND
V
CC
D
7
D
6
D
4
D
5
D
3
15
A
9
A
10
V
PP
VFY
PGM
28
4
5
6
7
8
9
10
321 27
1314151617
26
25
24
23
22
21
20
11
12
19
A
5
V
CC
GND
A
6
A
7
D
3
D
1
D
0
18
D
4
D
5
NC
A
0
A
4
A
3
A
8
NC
NC
D
7
D
6
A
2
A
1
D
2
A
10
V
PP
VFY
PGM
NC
A
9
DIP LCC/PLCC (Opaque Only)
Top View Top View
7C291A
7C291A
7C292A
7C293A
7C293A
Typical DC and AC Characteristics
1.4
1.6
1.0
0.8
4.0 4.5 5.0 5.5 6.0
−
55 25 125
1.2
1.1
1.2
1.0
0.8
0.6
4.0 4.5 5.0 5.5 6.0
NORMALIZED ACCESS TIME
SUPPLY VOLTAGE (V)
NORMALIZED SUPPLY CURRENT
vs. SUPPLY VOLTAGE
NORMALIZED SUPPLY CURRENT
vs. AMBIENT TEMPERATURE
AMBIENT TEMPERATURE (
°
C)
SUPPLY VOLTAGE (V)
NORMALIZED ACCESS TIME
vs.SUPPLY VOLTAGE
0.6
1.2
1.0
0.9
0.8
NORMALIZED I
CC
NORMALIZED I
CC
T
A
=25
°
C
0.4
T
A
=25
°
C
f= f
MAX
C291A-10
1.6
1.4
1.2
1.0
0.8
−
55 125
NORMALIZED ACCESS TIME
AMBIENT TEMPERATURE(
°
C)
NORMALIZED ACCESS TIME
vs.
TEMPERATURE
0.6
60
50
40
30
20
10
0 1.0 2.0 3.0
OUTPUT SOURCE CURRENT (mA)
OUTPUT VOLTAGE (V)
30.0
25.0
20.0
15.0
10.0
5.0
0 200 400 600 800
DELTA t (ns)
AA
CAPACITANCE (pF)
TYPICAL ACCESS TIME CHANGE
vs.OUTPUT LOADING
4.0
0.0
1000
V
CC
=4.5V
T
A
=25
°
C
25
0
OUTPUT SOURCECURRENT
vs.
VOLTAGE