Cypress Semiconductor CY7C291A Технічна специфікація - Сторінка 7
Переглянути онлайн або завантажити pdf Технічна специфікація для Комп'ютерне обладнання Cypress Semiconductor CY7C291A. Cypress Semiconductor CY7C291A 17 сторінок. 2k x 8 reprogrammable prom
Typical DC and AC Characteristics
NORMALIZED SUPPLY CURRENT
vs. SUPPLY VOLTAGE
1.6
1.4
1.2
1.0
T
A
0.8
f = f
0.6
4.0
4.5
5.0
SUPPLY VOLTAGE (V)
NORMALIZED ACCESS TIME
vs. TEMPERATURE
1.6
1.4
1.2
1.0
0.8
0.6
55
25
AMBIENT TEMPERATURE( C)
DIP
Top View
A
24
V
1
7
CC
A
23
A
2
6
8
A
22
A
3
5
9
7C291A
21
A
A
4
4
10
7C292A
A
20
V
5
3
7C293A
PP
A
19
VFY
2
6
A
18
PGM
7
1
A
17
D
0
8
7
D
16
D
9
0
6
D
D
15
10
1
5
D
D
11
14
2
4
D
GND
12
13
3
C291A-8
Figure 1. Programming Pinouts
NORMALIZED SUPPLY CURRENT
vs. AMBIENT TEMPERATURE
1.2
1.1
1.0
0.9
=25 C
MAX
0.8
55
5.5
6.0
AMBIENT TEMPERATURE ( C)
OUTPUT SOURCE CURRENT
vs. VOLTAGE
60
50
40
30
20
10
0
0
125
LCC/PLCC (Opaque Only)
Top View
4
3 2 1
A
5
4
A
6
7C291A
3
A
7
2
A
8
1
A
9
0
7C293A
NC
10
D
11
0
1314151617
12
25
125
1.0
2.0
3.0
4.0
OUTPUT VOLTAGE (V)
7
CY7C291A
CY7C292A/CY7C293A
28
27
26
25
A
10
V
24
PP
23
VFY
PGM
22
21
NC
20
D
7
19
D
6
18
C291A-9
NORMALIZED ACCESS TIME
vs. SUPPLY VOLTAGE
1.2
1.0
0.8
0.6
T
A
0.4
4.0
4.5
5.0
SUPPLY VOLTAGE (V)
TYPICAL ACCESS TIME CHANGE
vs. OUTPUT LOADING
30.0
25.0
20.0
15.0
10.0
V
5.0
T
0.0
0
200
400
600
CAPACITANCE (pF)
=25 C
5.5
6.0
C291A-10
=4.5V
CC
=25 C
A
800
1000