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PDF 27C128 Data sheet ( Hoja de datos )
| Número de pieza | 27C128 | |
| Descripción | CY27C128 | |
| Fabricantes | Cypress Semiconductor | |
| Logotipo |  |
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1. 27C128  Hay una vista previa y un enlace de descarga de 27C128 (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
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Features
D Wide speed range
Ċ 45 ns to 200 ns (commercial and
military)
D Low power
Ċ 248 mW (commercial)
Ċ 303 mW (military)
D Low standby power
Ċ Less than 83 mW when deselected
www.DataSheetD4U±.c1o0m% Power supply tolerance
Functional Description
The CY27C128 is a highĆperformance
16,384Ćword by 8Ćbit CMOS EPROM.
When disabled (CE HIGH), the
CY27C128
128K (16K x 8ĆBit) CMOS EPROM
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The CY27C128 is also available in a CerĆ
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telligent programming algorithms.
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programming yield. The EPROM cell reĆ
quires only 12.5V for the super voltage,
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l1o0w0%eacbhecamuesme oeraychloclaotcioatniotno ibsewtreisttteend
into, erased, and repeatedly exercised
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athneteperothdautctafwteilrl cmuseteotmbeorthprDogCraamnmdinAgC,
specification limits.
Reading the CY27C128 is accomplished
by placing active LOW signals on OE and
CE . The contents of the memory location
addressed by the address lines (A
will become available on the output
line0s
-
A
13
)
(O 0 - O 7).
Logic Block Diagram
A 13
A 12
A 11
A 10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
ROW
ADDRESS
ADDRESS
DECODER
COLUMN
ADDRESS
128 x 1024
PROGRAMABLE
ARRAY
8 x 1 OF 128
MULTIPLEXER
POWERĆDOWN
Pin Configurations
O7
O6
O5
O4
O3
O2
O1
DIP/Flatpack
V PP
A 12
A7
A6
A5
A4
A3
A2
A1
A0
O0
O1
O2
GND
1 28
2 27
3 26
4 25
5
27C128
6
24
23
7 22
8 21
9
10
11
12
13
20
19
18
17
16
14
15
V CC
PGM
A 13
A8
A9
A 11
OE
A 10
CE
O7
O6
O5
O4
O3
C128Ć2
LCC/PLCC [1]
A6
A5
A4
A3
A2
A1
A0
NC
O0
4 3 2 1 32 31 30
5
6
7
8
9
10
11
12
13
27C128
29
28
27
26
25
24
23
22
21
14 15 16 17 1819 20
A8
A9
A 11
NC
OE
A 10
CE
O7
O6
C128Ć3
CE
OE
O0
C128Ć1
Selection Guide
27C128-45 27C128-55
MaximumAccessTime(ns) 45 55
MOCuparexrriemantuitnm(gmA) [2]
S(mtaAnAd))by CuCrurerrnetnt
Com'l
Mil
Com'l
Mil
45
55
15
20
45
55
15
20
Chip Select Time (ns)
45 55
Output Enable Time (ns)
15 20
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27C128-70
70
45
55
15
20
70
25
27C128-90
90
45
55
15
20
90
30
27C128-120
120
45
55
15
20
120
30
27C128-150
150
45
55
15
20
150
40
2. Add 2 mA/MHz for AC power component.
27C128-200
200
45
55
15
20
200
40
Cypress Semiconductor Corporation
D 3901 North First Stree1t
D San Jose D CA 95134 D 408-943-2600
February 1994
1 page  
Typical DC and AC Characteristics
NORMALIZED SUPPLY CURRENT
1.4
vs. SUPPLY VOLTAGE
1.3
1.2
1.1
1.0
0.9
www.DataSheet4U.c0o.8m
0.7
0.6
4.0
_T A = 25 C
f = f MAX
4.5
5.0
5.5
SUPPLY VOLTAGE (V)
6.0
CY27C128
NORMALIZED SUPPLY CURRENT
1.3
vs. AMBIENT TEMPERATURE
1.2
1.1
1.0
0.9
0.8
0.7
-100
-50
0
50
100
AMBIENT TEMPERATURE (
150
_ C)
NORMALIZED ACCESS TIME
vs. SUPPLY VOLTAGE
1.25
1.2
1.15
1.1
1.05
1.0
0.95
0.9
0.85
0.8
4.0
4.5
5.0
5.5
SUPPLY VOLTAGE (V)
6.0
NORMALIZED ACCESS TIME
vs. TEMPERATURE
1.4
1.3
1.2
1.1
1.0
0.9
0.8
-100
-50
0
50
100
150
AMBIENT TEMPERATURE (
_ C)
OUTPUT SOURCE CURRENT
vs. OUTPUT VOLTAGE
60
50
40
30
20
V CC = 5V
_10
T A = 25 C
0
0
1.0
2.0
3.0
OUTPUT VOLTAGE (V)
4.0
TYPICAL ACCESS TIME CHANGE
vs. OUTPUT LOADING
30.0
25.0
20.0
15.0
10.0
5.0
0.0
0
V CC = 4.5V
_T A = 25 C
200
400
600
800
CAPACITANCE (pF)
1000
OUTPUT SINK CURRENT
vs. OUTPUT VOLTAGE
175
150
125
100
75
50
25
0
0.0
V CC = 5.0V
_T A = 25 C
1.0
2.0
3.0
OUTPUT VOLTAGE (V)
4.0
NORMALIZEDSUPPLY CURRENT
vs. ACCESS TIME
1.2
1.15
1.1
1.05
1.0
0.95
0.9
0.85
V CC = 5.6V
_T A = 25 C
0.8
0.75
0
100
200
300
400
CYCLE TIME (ns)
500
5
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet 27C128.PDF ] | |
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