CY7C1016 Datasheet, PDF (1/1 Pages) Cypress Semiconductor – 256K x Static RAM

7c1006: 11-25-91
Revision: April 10, 1995
ADVANCED INFORMATION _CY7C1016
256K x 4 Static RAM
Features
D High speed
Ċ t_AA = 10 ns
D Output enable (OE) feature
D CMOS for optimum speed/power
D Center power/ground pinout
D Automatic powerĆdown when
deselected
D TTL Ćcompatible inputs and outputs
Functional Description
The CY7C1016 is a highĆperformance
CMOS static RAM organized as 262,144
words by 4 bits. Easy memory expansion is
provided by an active LOW chip enable
aa(CnudtEo)tmh, ^{araentieacĆcpsttoiavwteeeLrdĆOrdivoWewrons.ufTetpahuteutrdeeentvahibcaletesh(igOansEiaf)inĆ,}
cantly reduces power consumption when
deselected.
Writing to the device is accomplished by
t(pinaWikntoiEsnt)(ghIie/cnOhploi_{0upcttaeshtnriLoaoOnbulgWsehp.(eCDIc/EiOafit)3ea)adoniosndnttwhhtrheeientefoawedurndriatrItbe/eOlsnes}
pins (A₀ through A₁₇).
fRboyeractiadnkigningwgfrrictohemiepnthaeebnladebe(lveWic(EeC)iEsH)acILGcOoHmW.pUlwinshhdieelder
tmphienemsseworiclyloalnopdcpiatetiaioornnos,snpttehhceeififeocdounrbtIye/Onthtsepianodsfd. _rtehses
wTI/Ohhee³n)fotahureer dpinelapvcuicete/doiiusndtpaeuhsetiglpehicnĆtisemd(pI(/eOCdE^{0antHhcreIoGsutHagth)e,}
or during a write operation (CE and WE
LOW).
The CY7C1016 is available in standard
400ĆmilĆwide SOJs.
Logic Block Diagram
A₁
A₂
A₃
A₄
A₅
A₆
A₇
A₈
A₉
INPUT BUFFER
512 x 512 x 4
ARRAY
COLUMN
DECODER
POWER
DOWN
I/O₃
I/O₂
I/O₁
I/O₀
CE
WE
C1016-1
Pin Configuration
SOJ
Top View
NC
1
A₀
2
A₁
3
A₂
4
A₃
5
CE
6
I/O₀
7
V_CC
8
GND 9
I/O₁
10
WE
11
A₄
12
A₅
13
A6
14
A₇
15
NC
16
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
A₁₇
A₁₆
A₁₅
A₁₄
A₁₃
OE
I/O₃
GND
V_CC
I/O₂
A₁₂
A₁₁
A₁₀
A₉
A₈
NC
C1016-2
Selection Guide
Maximum Access Time (ns)
Maximum Operating Current (mA)
Maximum Standby Current (mA)
Document #: 38-00439
Commercial
Military
Commercial
Military
7C1016-10
10
175
55
7C1016-12
12
165
175
50
50
7C1016-15
15
155
165
40
40
Cypress Semiconductor Corporation
D
3901 North First S1treet
D San Jose D CA 95134 D 408-943-2600
April 1995