CY7C235A-30PC Cypress Semiconductor Corp, CY7C235A-30PC Datasheet

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CY7C235A-30PC

Manufacturer Part Number
CY7C235A-30PC
Description
Manufacturer
Cypress Semiconductor Corp
Datasheets

Specifications of CY7C235A-30PC

Density
8Kb
Access Time (max)
30ns
Supply Current
90mA
Pin Count
24
Mounting
Through Hole
Operating Temperature Classification
Commercial
Lead Free Status / RoHS Status
Not Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
CY7C235A-30PC
Manufacturer:
TEXAS
Quantity:
25
Part Number:
CY7C235A-30PC
Manufacturer:
CYP
Quantity:
600
Part Number:
CY7C235A-30PC
Manufacturer:
CYP
Quantity:
20 000
Features
Selection Guide
Minimum Address Set-Up Time (ns)
Maximum Clock to Output (ns)
Maximum Operating
Current (mA)
Cypress Semiconductor Corporation
• CMOS for optimum speed/power
• High speed
• Low power
• Synchronous and asynchronous output enables
• On-chip edge-triggered registers
• Programmable asynchronous registers (INIT)
• EPROM technology, 100% programmable
• Slim, 300-mil, 24-pin plastic or hermetic DIP or 28-pin
• 5V 10% V
• TTL-compatible I/O
LCC and PLCC
Logic Block Diagram
— 18 ns address set-up
— 12 ns clock to output
— 495 mW (commercial)
— 660 mW (military)
INIT
A
A
A
A
A
A
A
A
A
A
9
8
7
6
5
4
3
2
1
0
CP
E
E
S
DECODER
ADDRESS
ADDRESS
ADDRESS
COLUMN
CC
ROW
, commercial and military
PROGRAMMABLE
ARRAY
Commercial
Military
MUL TIPLEXER
3901 North First Street
7C235A-18
18
12
90
TRIGGERED
REGISTER
EDGE-
8-BIT
CP
Functional Description
The CY7C235A is a high-performance 1024 word by 8 bit elec-
trically programmable read only memory packaged in a slim
300-mil plastic or hermetic DIP, 28-pin leadless chip carrier, or
28-pin plastic leaded chip carrier. The memory cells utilize
proven EPROM floating gate technology and byte-wide intelli-
gent programming algorithms.
The CY7C235A replaces bipolar devices pin for pin and offers
the advantages of lower power, superior performance, and
high programming yield. The EPROM cell requires only 12.5V
for the supervoltage, and low current requirements allow for
gang programming. The EPROM cells allow for each memory
location to be tested 100%, as each location is written into,
erased, and repeatedly exercised prior to encapsulation. Each
PROM is also tested for AC performance to guarantee that the
product will meet AC specification limits after customer pro-
gramming.
• Direct replacement for bipolar PROMs
• Capable of withstanding greater than 2001V static dis-
charge
7C235A-25
C235A-1
120
25
12
90
1K x 8 Registered PROM
San Jose
O
O
O
O
O
O
O
O
7
6
5
4
3
2
1
0
GND
NC
November 1992 – Revised March 1995
O
A
A
A
A
A
4
3
2
1
0
0
Pin Configuration
O
O
O
A
A
A
A
A
A
A
A
7
6
5
4
3
2
1
0
0
1
2
5
6
7
8
9
10
11
7C235A-30
1
2
3
4
5
6
7
8
9
10
11
12
LCC/PLCC
12
4
Top View
Top View
1314151617
3 2 1
120
CA 95134
DIP
30
15
90
28
24
23
22
21
20
19
18
17
16
15
14
13
27
18
26
E
V
A
A
E
INIT
CP
O
O
O
O
O
25
24
23
22
21
20
19
CC
S
8
9
7
6
5
4
3
C235A-2
E
INIT
E
CP
NC
O
O
CY7C235A
S
C235A-3
7
6
7C235A-40
408-943-2600
120
40
20
90

Related parts for CY7C235A-30PC

CY7C235A-30PC Summary of contents

Page 1

... Capable of withstanding greater than 2001V static dis- charge Functional Description The CY7C235A is a high-performance 1024 word by 8 bit elec- trically programmable read only memory packaged in a slim 300-mil plastic or hermetic DIP, 28-pin leadless chip carrier, or 28-pin plastic leaded chip carrier. The memory cells utilize proven EPROM floating gate technology and byte-wide intelli- gent programming algorithms ...

Page 2

... Guaranteed Input Logical LOW Voltage for All [4] Inputs GND < V < Note 5 GND < V < V Output Disabled OUT CC [ Max 0.0V CC OUT mA, OUT V = Max. CC Test Conditions MHz, V =5. CY7C235A Ambient Temperature + +125 C 5V 10% Min. Max. Unit 2.4 V 0.4 V 2 +10 [ Commercial 90 ...

Page 3

... LOW-to-HIGH transition of the clock. This unique feature al- lows the CY7C235A decoders and sense amplifiers to access the next location while previously addressed data remains sta- ble on the outputs. ...

Page 4

... PWC t t HZC COS t RI programming information, including a listing of software pack- ages, please see the PROM Programming Information located at the end of this section. Programming algorithms can be ob- tained from any Cypress representative. 4 CY7C235A 7C235A-25 7C235A-30 7C235A-40 Min. Max. Min. Max. Min ...

Page 5

... ILP ±5%. LCC/PLCC Top View VFY PGM 1314151617 C235A-8 Figure 1. Programming Pinouts. 5 CY7C235A [ INIT S VFY ILP IHP IHP IHP ILP IHP IHP IHP IHP ILP IHP IHP ILP IHP IHP IHP ILP IHP VFY PGM C235A High Z High Z Init Byte High Z ...

Page 6

... OUTPUT LOADING 30.0 25.0 20.0 15.0 10.0 T = =4.5V CC 0.0 100 0 200 400 600 800 CAPACITANCE (pF) 6 CY7C235A CLOCK TO OUTPUT TIME vs 1.6 1.4 1.2 1.0 0 0.6 125 4.0 4.5 5.0 5.5 SUPPLY VOLTAGE (V) NORMALIZED SET-UP TIME vs. TEMPERATURE 1.6 1.4 1 ...

Page 7

... CY7C235A-18DC CY7C235A-18JC CY7C235A-18PC 25 12 CY7C235A-25DC CY7C235A-25JC CY7C235A-25PC CY7C235A-25DMB CY7C235A-25LMB 30 15 CY7C235A-30DC CY7C235A-30JC CY7C235A-30PC CY7C235A-30DMB CY7C235A-30LMB 40 20 CY7C235A-40DC CY7C235A-40JC CY7C235A-40PC CY7C235A-40DMB CY7C235A-40LMB Notes: 9. Most of the above products are available in industrial temperature range. Contact a Cypress representative for specifications and product availability. MILITARY SPECIFICATIONS ...

Page 8

... Package Diagrams 24-Lead (300-Mil) CerDIP D14 MIL-STD-1835 D-9 Config.A 28-Square Leadless Chip Carrier L64 MIL-STD-1835 C-4 28-Lead Plastic Leaded Chip Carrier J64 8 CY7C235A ...

Page 9

... 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. 24-Lead (300-Mil) Molded DIP P13/P13A CY7C235A ...

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