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WS57C128FB-45J 데이터시트 PDF




STMicroelectronics에서 제조한 전자 부품 WS57C128FB-45J은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


PDF 형식의 WS57C128FB-45J 자료 제공

부품번호 WS57C128FB-45J 기능
기능 HIGH SPEED 16K x 8 CMOS EPROM
제조업체 STMicroelectronics
로고 STMicroelectronics 로고


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WS57C128FB-45J 데이터시트, 핀배열, 회로
WS57C128FB
HIGH SPEED 16K x 8 CMOS EPROM
Very Fast Access Time
— 35 ns
Low Power Consumption
EPI Processing
— Latch-up Immunity Up to 200 mA
KEY FEATURES
Standard EPROM Pinout
DIP and Surface Mount Packaging
Available
GENERAL DESCRIPTION
The WS57C128FB is a High Performance 128K UV Erasable Electrically Programmable Read Only Memory. It is
manufactured with an advanced CMOS technology which enables it to operate at Bipolar speeds while consuming
only 90 mA.
Two major features of the WS57C128FB are its Low Power and High Speed. These features make it an ideal
solution for applications which require fast access times, low power, and non-volatility. Typical applications include
systems which do not utilize mass storage devices and/or are board space limited.
The WS57C128FB is configured in the standard EPROM pinout which provides an easy upgrade path for systems
which are currently using standard EPROMs. The EPROMs are available in both 600 Mil DIP packages, and both
J-leaded and leadless surface mount packages.
MODE SELECTION
PINS
PGM
MODE
Read
X
Output
Disable
X
CE
VI L
X
OE VPP VCC OUTPUTS
VIL VCC VCC DOUT
VIH VCC VCC High Z
Standby
Program
Program
Verify
X VIH X VCC VCC High Z
VIL VIL VIH VPP VCC DIN
VIH VIL VIL VPP VCC DOUT
Program
Inhibit
X VIH X VPP VCC High Z
X can be VIL or VIH.
PIN CONFIGURATION
TOP VIEW
Chip Carrier
CERDIP
A6
4
5
3
2
1
32 31 30
29
A8
A5 6
28 A9
A4 7
27 A11
A3 8
26 NC
A2 9
25 OE
A1 10
24 A10
A0 11
23 CE
NC 12
22 O7
O0 13
21 O6
14 15 16 17 18 19 20
O1 O2 NC O3 O4 O5
VPP
A12
A7
A6
A5
A4
A3
A2
A1
A0
O0
O1
O2
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28 VCC
27 PGM
26 A13
25 A8
24 A9
23 A11
22 OE
21 A10
20 CE
19 O7
18 O6
17 O5
16 O4
15 O3
PRODUCT SELECTION GUIDE
PARAMETER
WS57C128FB-35 WS57C128FB-45 WS57C128FB-55 WS57C128FB-70
Address Access Time (Max)
35 ns
45 ns
55 ns
70 ns
Chip Select Time (Max)
35 ns
45 ns
55 ns
70 ns
Output Enable Time (Max)
20 ns
25 ns
25 ns
25 ns
Return to Main Menu
3-7




WS57C128FB-45J pdf, 반도체, 판매, 대치품
WS57C128FB
PROGRAMMING INFORMATION
DC CHARACTERISTICS (TA = 25 ± 5°C, VCC = 6.25 V ± 0.25 V, VPP = 12.75 ± 0.25 V)
SYMBOLS
PARAMETER
MIN MAX
UNITS
ILI
Input Leakage Current
(VIN = VCC or Gnd)
IPP
VPP Supply Current During
Programming Pulse (CE = PGM = VIL)
ICC VCC Supply Current
VOL
Output Low Voltage During Verify
(IOL = 16 mA)
VOH
Output High Voltage During Verify
(IOH = –4 mA)
–10 10 µA
60 mA
30 mA
0.4 V
2.4 V
NOTE: 9. VCC must be applied either coincidentally or before VPP and removed either coincidentally or after VPP.
10. VPP must not be greater than 13 volts including overshoot. During CE = PGM = VIL, VPP must not be switched from 5 volts to
12.5 volts or vice-versa.
11. During power up the PGM pin must be brought high (VIH) either coincident with or before power is applied to VPP.
AC CHARACTERISTICS (TA = 25 ± 5°C, VCC = 6.25 V ± 0.25 V, VPP = 12.75 ± 0.25 V)
SYMBOLS
PARAMETER
MIN TYP MAX
UNITS
t AS
t CES
t OES
t OS
t AH
t OH
t DF
t OE
t VS
t PW
Address Setup Time
Chip Enable Setup Time
Output Enable Setup Time
Data Setup Time
Address Hold Time
Data Hold Time
Chip Disable to Output Float Delay
Data Valid From Output Enable
VPP Setup Time
PGM Pulse Width
2
2
2
2
0
2
0
2
100
µs
µs
µs
µs
µs
µs
130 ns
130 ns
µs
200 µs
PROGRAMMING WAVEFORM
ADDRESSES
DATA
VPP
VPP
VCC
VIH
CE
VIL
PGM
VIH
VIL
VIH
OE
VIL
ADDRESS STABLE
tAS
DATA IN STABLE
HIGH Z
tOS tOH tOE
tAH
DATA OUT
VALID
tDF
tVS
tCES
tPW
tOES
3-10

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