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CY7C198 Datasheet, PDF (1/9 Pages) Cypress Semiconductor – 32K x 8 Static RAM
7c198: 10/25/89
Revision: February 29, 1996
Features
D
HĊig1h5
speed
ns
D CMOS for optimum speed/power
D LĊow99a0cmtivWe power
D LĊow19s5tamnWdby power
D EOaEsyfemateumreosry expansion with CE and
D TTLĆcompatible inputs and outputs
D Adeusteolmecatteidc powerĆdown when
Functional Description
aats6aTCwp(heCnun0rhoMelo0ddtEeerovĆdpcOt)mamithsodaeCS3irwbaendle2YĆtdydes.weiĆtcr87lĆaTabeisCdccbptayhtoitea1iodceitnat9vwsecTnsRe.8CeueEdSLArYarmrOaĆDiOciMds7svptPyoICWietvPwiamr1peooso9narn.aeL8guhcTnmfbaktOiedhigpynoasaihWugirs8tLzaĆytue0dpeCve.re%ecdeaenCxhvri,aplifaiwacprboaspbeehlrnaedelm3hesecnu(2inakaoOac,is7nanndibEan6gcelin8eeeags)Ć
ActahorneenbtamrocottehlimsvLetohOLreyWO.wW,rdWiatwithnaregiont/enreCteahnEdeaienbailgngedhostpiWdgenarEtaaaltiii(nonWpnpuuEott)sf/
CY7C198
32K x 8 Static RAM
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Tpo(WuehdteEpaiu)nntcpisseuHtas/troIaeGutetHepunu.natblpeliesnsds,trheaemncadhiniwpinriisatesheielgenhcaĆtibemdleĆ,
A die coat is used to ensure alpha immunity.
Logic Block Diagram
Pin Configurations
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
CE
WE
OE
INPUT BUFFER
1024 x 32 x 8
ARRAY
COLUMN
DECODER
POWER
DOWN
C198Ć2
I/O0
I/O1
I/O2
I/O3
I/O4
TCoperVDiIePw
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
I/O0
I/O1
I/O2
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
VCC
WE
A4
A3
A2
A1
OE
A0
CE
I/O7
I/O6
I/O5
I/O4
I/O3
C198Ć3
I/O5
ToLpCVCiew
A6
A5
A4
A3
A2
A1
A0
NC
I/O0
4 3 2 1 32 31 30
5
6
7
8
9
10
11
12
13
29
28
27
26
25
24
23
22
21
14 15 16 17 1819 20
A8
A9
A11
NC
OE
A10
CE
I/O7
I/O6
C198Ć1
I/O6
I/O7
Selection Guide
Maximum Access Time (ns)
Maximum Operating Current (mA) Commercial
Military
Maximum Standby Current (mA)
Shaded area contains preliminary information.
7C198-15 7C198-20 7C198-25 7C198-35 7C198-45
15 20 25 35 45
150
180 170 150 150 150
30 30 30 25 25
Cypress Semiconductor Corporation D 3901 North First S1treet D San Jose FDebruaCryA19985813-4 ReDvised40F8e-br9u4a3r-y 12969060
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