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27C128 데이터시트 PDF




Cypress Semiconductor에서 제조한 전자 부품 27C128은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

PDF 형식의 27C128 자료 제공

부품번호 27C128 기능
기능 CY27C128
제조업체 Cypress Semiconductor
로고 Cypress Semiconductor 로고


27C128 데이터시트 를 다운로드하여 반도체의 전기적 특성과 매개변수에 대해 알아보세요.




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27C128 데이터시트, 핀배열, 회로
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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mfloeamtionrgygacteeltlsechuntoilliozegy apnrdovbeynteĆwEiPdReOinMĆ
telligent programming algorithms.
TlohweerCpYow2e7rCa1n2d8 superoioffrerpserftohremaandcveanatnadge of
programming yield. The EPROM cell reĆ
quires only 12.5V for the super voltage,
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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
N1.otesFp:oard.PTLhCeCy omnulyst: Pthinesre1foarnedb1e7DaUre (cdoomnm'tounsea)nfdortiethdetoPLthCeCdpieacakttaagceh.
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




27C128 pdf, 반도체, 판매, 대치품
Switching Waveform
I CC
SUPPLY
CURRENT
A 0 - A 13
ADDRESS
t PD
50%
CY27C128
t PU
POWERĆDOWN CONTROLLED BY CE
50%
OE , CE
www.DataSheet4U.com
O0 - O 7
t OH
PREVIOUS DATA VALID
t AA
(t HZOE )
t HZCE
DATA VALID
(t OE )
t ACE
HIGH Z
Erasure Characteristics
during erasure. Permanent damage may result if the EPROM is
Wavelengths of light less than 4000 Å begin to erase the 27C128
in the windowed package. For this reason, an opaque label should
be placed over the window if the EPROM is exposed to sunlight
exposed to highĆintensity UV light for an extended period of
time. 7258 Wsec/cm
2 is the recommended maximum dosage.
Programming Modes
or fluorescent lighting for extended periods of time.
Programming support is available from Cypress as well as from a
The recommended dose of ultraviolet light for erasure is a waveĆ
number of thirdĆparty software vendors. For detailed programĆ
length of 2537 Å for a minimum dose (UV intensity multiplied by
exposure time) of 25 Wsec/cm
2 . For an ultraviolet lamp with a 12
mW/cm 2 power rating, the exposure time would be approximately
ming information, including a listing of software packages, please
see the EPROM Programming Information located at the end of
this section. Programming algorithms can be obtained from any
35 minutes. The CY27C128 needs to be within 1 inch of the lamp
Cypress representative.
Table 1. CY27C128 Mode Selection
C128Ć6
Pin Function [9]
Mode
A 13 - A 0
OE
CE
V PP
PGM O 7 - O 0
Read
A 13 - A 0
V IL
V IL
X
Note 10
O7 - O 0
Output Disable
A 13 - A 0
Power Down
Notes:
9. X must be either V
10. X must be either V
A 13 - A 0
IL or V IH.
IL or V IH (must not switch).
V IH
X
X
V IH
X
Note 10
High Z
X
Note 10
High Z
4

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27C128 전자부품, 판매, 대치품
MILITARY SPECIFICATIONS
Group A Subgroup Testing
DC Characteristics
Parameter
V OH
V OL
V IH
V IL
I IX
I OZ
www.DataSheet4U.cIoCmC
I SB
Subgroups
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
Switching Characteristics
Parameter
tAA
tOE
tACE
Subgroups
7, 8, 9, 10, 11
7, 8, 9, 10, 11
7, 8, 9, 10, 11
Document #: 38-00357
CY27C128
7

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관련 데이터시트

부품번호상세설명 및 기능제조사
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128K (16K x 8) CMOS EPROM

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Microchip
27C128

128K (16K x 8) CMOS UV Erasable PROM

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General Semiconductor

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