CY62128-70ZAI Cypress Semiconductor Corporation., CY62128-70ZAI Datasheet

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CY62128-70ZAI

Manufacturer Part Number
CY62128-70ZAI
Description
128K x 8 Static RAM
Manufacturer
Cypress Semiconductor Corporation.
Datasheet
1.CY62128-70ZAI.pdf (10 pages)
Features
Functional Description
The CY62128 is a high-performance CMOS static RAM orga-
nized as 131,072 words by 8 bits. Easy memory expansion is
provided by an active LOW chip enable (CE
chip enable (CE
three-state drivers. This device has an automatic power-down
Cypress Semiconductor Corporation
• 4.5V
• CMOS for optimum speed/power
• Low active power (70 ns, LL version)
• Low standby power (70 ns, LL version)
• Automatic power-down when deselected
• TTL-compatible inputs and outputs
• Easy memory expansion with CE
Logic Block Diagram
WE
CE
CE
OE
— 330 mW (max.) (60 mA)
— 110 W (max.) (20 A)
1
2
A
A
A
A
A
A
A
A
A
0
1
2
3
4
5
6
7
8
V
CE
A
A
A
A
WE
A
A
NC
CC
A
A
A
A
A
A
5.5V operation
12
14
16
15
13
11
4
5
6
7
2
8
9
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
2
), an active LOW output enable (OE), and
INPUT BUFFER
512x 256x 8
DECODER
ARRAY
COLUMN
Reverse Pinout
(not to scale)
Top View
TSOP I
POWER
DOWN
1
, CE
2
•
1
, and OE options
), an active HIGH
3901 North First Street
62128-2
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
62128-1
A
A
A
A
I/O
I/O
I/O
GND
I/O
I/O
I/O
I/O
I/O
CE
A
OE
3
2
1
0
10
0
1
2
3
4
5
6
7
1
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
0
1
2
3
4
5
6
7
CE
V
feature that reduces power consumption by more than 75%
when deselected.
Writing to the device is accomplished by taking chip enable
one (CE
two (CE
I/O
pins (A
Reading from the device is accomplished by taking chip en-
able one (CE
write enable (WE) and chip enable two (CE
these conditions, the contents of the memory location speci-
fied by the address pins will appear on the I/O pins.
The eight input/output pins (I/O
high-impedance state when the device is deselected (CE
HIGH or CE
during a write operation (CE
The CY62128 is available in a standard 450-mil-wide SOIC,
32-pin TSOP type I and STSOP packages.
WE
A
A
A
A
A
A
NC
A
A
CC
A
A
A
A
11
13
15
16
14
12
9
8
2
7
6
5
4
7
) is then written into the location specified on the address
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
0
•
2
1
through A
) input HIGH. Data on the eight I/O pins (I/O
) and write enable (WE) inputs LOW and chip enable
San Jose
2
1
LOW), the outputs are disabled (OE HIGH), or
) and output enable (OE) LOW while forcing
TSOP I/ STSOP
(not to scale)
16
Top View
128K x 8 Static RAM
).
Pin Configurations
•
GND
I/O
I/O
I/O
A
A
A
July 1996 - Revised June 18, 1998
NC
A
A
A
A
A
A
A
A
1
16
14
12
6
5
4
3
2
1
0
0
1
2
7
CA 95134
LOW, CE
Top View
0
13
14
15
16
1
2
3
4
5
6
7
8
9
10
11
12
through I/O
SOIC
2
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
62128-2
HIGH, and WE LOW).
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
CE
A
CE
I/O
I/O
I/O
I/O
I/O
V
A
WE
A
A
A
A
OE
•
10
CC
15
13
8
9
11
7
7
6
5
4
3
2
1
OE
A
CE
I/O
I/O
I/O
I/O
I/O
GND
I/O
I/O
I/O
A
A
A
A
) are placed in a
CY62128
2
10
0
1
2
3
fax id: 1072
) HIGH. Under
1
7
6
5
4
3
2
1
0
408-943-2600
0
through
1

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CY62128-70ZAI Summary of contents

Page 1

... TTL-compatible inputs and outputs • Easy memory expansion with Functional Description The CY62128 is a high-performance CMOS static RAM orga- nized as 131,072 words by 8 bits. Easy memory expansion is provided by an active LOW chip enable (CE chip enable ( active LOW output enable (OE), and 2 three-state drivers ...

Page 2

... A Commercial Commercial Current into Outputs (LOW)......................................... 20 mA Static Discharge Voltage ........................................... >2001V (per MIL-STD-883, Method 3015) Latch-Up Current..................................................... >200 mA Operating Range [1] .... –0.5V to +7.0V Range Commercial + 0.5V CC Industrial + 0. CY62128 CY62128-55 CY62128- Ambient [2] Temperature +70 C ...

Page 3

... – 0.3V 0.3V – 0.3V 0.3V, f=0 IN Ind L LL Test Conditions MHz 5.0V CC =70ns AA 3 CY62128 62128–55 62128–70 [3] [3] Max. Min. Typ Max. Unit 2.4 0.4 0 0.3 + 0.3 0.8 –0.3 0.8 +1 – –300 –300 40 115 40 110 ...

Page 4

... HZWE LZWE and WE must be LOW and CE HIGH to initiate a write CY62128 90% 10 62128-4 Unit ...

Page 5

... IN CC Indl 0. OHA DOE DATA VALID 50 transition LOW and CE transition HIGH CY62128 Min. Typ. Max. Unit 2.0 V 100 0.4 100 DATA VALID 62128-5 t HZOE t HZCE HIGH IMPEDANCE t PD ICC ...

Page 6

... LOW simultaneously with WE going HIGH, the output remains in a high-impedance state 16. During this period the I/Os are in the output state and input signals should not be applied. [14,15 SCE SCE PWE t SD DATA VALID [14,15 SCE t SCE PWE t SD DATA VALID IN 6 CY62128 62128 62128-8 ...

Page 7

... L H Data Out Data High Z [14,15 SCE t SCE PWE t DATA VALID HZWE Mode Power-Down Standby (I Power-Down Standby (I Read Active (I Write Active (I Selected, Outputs Disabled Active (I 7 CY62128 LZWE Power ) 62128-9 ...

Page 8

... Speed Package (ns) Ordering Code 55 CY62128–55SC CY62128-55ZC CY62128 55ZAC 70 CY62128–70SC CY62128 70ZC CY62128-70ZAC CY62128-70ZRC CY62128–70SI CY62128 70ZI CY62128-70ZAI CY62128-70ZRI CY62128L 70SC CY62128L 70ZC CY62128L-70ZAC CY62128L-70ZRC CY62128L 70SI CY62128L 70ZI CY62128L-70ZAI CY62128L-70ZRI CY62128LL 70SC CY62128LL 70ZC CY62128LL-70ZAC CY62128LL-70ZRC CY62128LL 70SI ...

Page 9

... Package Diagrams 32-Lead (450 MIL) Molded SOIC S34 32-Lead Thin Small Outline Package Z32 9 CY62128 51-85081-A 51-85056-B ...

Page 10

... The inclusion of Cypress Semiconductor products in life-support systems application implies that the manufacturer assumes all risk of such use and in doing so indemnifies Cypress Semiconductor against all charges. CY62128 51-85094 ...

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