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
3 2 1
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
NORMA
L
IZ
E
D
A
CCE
S
S
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
NORMA
L
IZ
E
D
I
CC
N
O
R
M
A
L
IZ
ED
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
NORMA
L
IZ
E
D
A
CCE
S
S
TIME
AMBIENT TEMPERATURE(
°
C)
NORMALIZED ACCESS TIME
vs. TEMPERATURE
0.6
60
50
40
30
20
10
0
1.0
2.0
3.0
OUT
P
UT
S
O
U
RCE
CURRE
NT
(m
A
)
OUTPUT VOLTAGE (V)
30.0
25.0
20.0
15.0
10.0
5.0
0
200
400
600
800
DE
LT
A t
(n
s
)
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 SOURCE CURRENT
vs. VOLTAGE
