Cypress CY7C107BN manual Maximum Ratings, Electrical Characteristics Over the Operating Range

Page 2

CY7C107BN

CY7C1007BN

Maximum Ratings

(Above which the useful life may be impaired. For user guide- lines, not tested.)

Storage Temperature

-65°C to +150°C

Current into Outputs (LOW)

20 mA

Static Discharge Voltage

>2001V

(per MIL-STD-883, Method 3015)

 

Latch-Up Current

>200 mA

Ambient Temperature with

 

Power Applied

-55°C to +125°C

Supply Voltage on VCC Relative to GND[1] ..... -0.5V to +7.0V

DC Voltage Applied to Outputs

 

 

 

in High Z State[1]

-0.5V to V

CC

+ 0.5V

DC Input Voltage[1]

 

CC

+ 0.5V

 

 

 

Electrical Characteristics Over the Operating Range

Operating Range

Range

Ambient Temperature[2]

VCC

Commercial

0°C to +70°C

5V ± 10%

Industrial

-40°C to +85°C

5V ± 10%

 

 

 

 

 

 

 

 

 

7C107BN-15

 

 

 

 

 

 

 

 

 

 

7C1007BN-15

 

 

 

 

 

 

 

Parameter

Description

Test Conditions

Min.

Max.

Unit

 

 

 

 

 

 

VOH

Output HIGH Voltage

VCC = Min., IOH = –4.0 mA

2.4

 

V

VOL

Output LOW Voltage

VCC = Min., IOL = 8.0 mA

 

0.4

V

VIH

Input HIGH Voltage

 

 

 

 

2.2

VCC + 0.3

V

VIL

Input LOW Voltage[1]

 

 

 

 

-0.3

0.8

V

IIX

Input Leakage Current

GND < VI < VCC

-1

+1

mA

IOZ

Output Leakage Current

GND < VI < VCC,

–5

+5

mA

 

 

 

 

 

Output Disabled

 

 

 

IOS

Output Short Circuit

VCC = Max., VOUT = GND

 

-300

mA

 

Current[3]

 

 

 

 

 

 

 

ICC

VCC Operating Supply

VCC = Max., IOUT = 0 mA,

 

80

mA

 

Current

f = fMAX = 1/tRC

 

 

 

ISB1

Automatic

 

Power-Down

Max. VCC,

 

> VIH, VIN >VIH or

 

20

mA

CE

CE

 

 

Current— TTL Inputs

VIN < VIL, f = f MAX

 

 

 

ISB2

Automatic

 

 

Power-Down

Max. VCC,

 

 

> VCC – 0.3V,

 

2

mA

CE

CE

 

 

Current — CMOS Inputs

VIN > VCC – 0.3V or VIN < 0.3V, f = 0

 

 

 

Capacitance[4]

Parameter

Description

Test Conditions

Max.

Unit

 

 

 

 

 

CIN: Addresses

Input Capacitance

TA = 25 × C, f = 1 MHz,

7

pF

 

 

VCC = 5.0V

 

 

CIN: Controls

 

10

pF

 

 

COUT

Output Capacitance

 

10

pF

Notes:

1.VIL (min.) = –2.0V for pulse durations of less than 20 ns.

2.TA is the “Instant On” case temperature.

3.Not more than 1 output should be shorted at one time. Duration of the short circuit should not exceed 30 seconds.

4.Tested initially and after any design or process changes that may affect these parameters.

Document #: 001-06426 Rev. **

Page 2 of 7

[+] Feedback

Image 2
Contents Pin Configuration FeaturesLogic Block Diagram Functional DescriptionCapacitance4 Electrical Characteristics Over the Operating RangeMaximum Ratings Parameter Description Unit Min Max Switching Characteristics5 Over the Operating RangeAC Test Loads and Waveforms Write Cycle No CE Controlled13 Switching WaveformsRead Cycle No Truth Table Mode PowerOrdering Code Package Package Type Operating Diagram Range Ordering InformationLead 300-Mil Molded SOJ Package DiagramsLead 400-Mil Molded SOJ Document History Issue Orig. Description of Change Date 423847New Data Sheet

CY7C107BN, CY7C1007BN specifications

The Cypress CY7C107BN and CY7C1007BN are versatile synchronous static RAM (SRAM) devices that are widely used in various electronic applications, including networking, telecommunications, and consumer electronics. These devices are designed to meet the demands for high-speed memory accesses while providing low power consumption and high reliability, making them an ideal choice for designers seeking efficient memory solutions.

One of the main features of the CY7C107BN and CY7C1007BN is their high-speed access time. Both chips offer access times as fast as 10 nanoseconds, which allows devices using these memories to process data at impressive rates. This speed is particularly beneficial for applications requiring rapid read and write operations, such as cache memory or data buffering in high-performance computing environments.

In terms of memory density, the CY7C107BN offers a capacity of 1 Megabit, while the CY7C1007BN provides a greater capacity of 2 Megabits. This makes both chips suitable for varying storage requirements, allowing designers to select the appropriate size based on their application's memory needs. The memory architecture of these SRAMs consists of a static cell design, which ensures data retention without the need for refresh cycles, contrasting with dynamic RAM (DRAM) technologies. This characteristic not only simplifies system design but enhances performance and reliability.

The Cypress SRAMs are implemented in a single 5-volt power supply range, facilitating compatibility with a wide range of existing systems. Their low standby current consumption is another notable advantage, enabling battery-operated devices to operate for extended periods without significant power drain.

Moreover, the CY7C107BN and CY7C1007BN incorporate advanced CMOS technology, which contributes to their low power dissipation and high noise immunity. Designers appreciate the integration and ease of implementation made possible by 10 leading-edge package options available for these devices.

Additionally, both memory chips support common SRAM functionalities, including asynchronous read and write controls, enabling straightforward interfacing with microcontrollers and digital signal processors. With built-in features for write enable, output enable, and chip select, these SRAMs facilitate flexible memory management and control in diverse applications.

In summary, the Cypress CY7C107BN and CY7C1007BN SRAMs represent robust and efficient memory solutions that offer high speeds, low power consumption, and significant reliability. Their features make them suitable for a wide range of electronic applications, solidifying their position as trusted components in the evolving landscape of semiconductor technologies.