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CY7C1399B

Document #: 38-05071 Rev. *A

Page 3 of 10 

Electrical Characteristics 

Over the Operating Range (continued)

1399B-15

1399B-20

Parameter

Description

Test Conditions

Min.

Max.

Min.

Max.

Unit

V

OH

Output HIGH Voltage

V

CC

 = Min., I

OH

 = –2.0 mA

2.4

2.4

V

V

OL

Output LOW Voltage

V

CC

 = Min., I

OL

 = 4.0 mA

0.4

0.4

V

V

IH

Input HIGH Voltage

2.2

V

CC

+0.3V

2.2

V

CC

+0.3V

V

V

IL

Input LOW Voltage

–0.3

0.8

–0.3

0.8

V

I

IX

Input Load Current

–1

+1

–1

+1

µ

A

I

OZ

Output Leakage Current

GND 

 V

I

 

 V

CC

,

Output Disabled

–5

+5

–5

+5

µ

A

I

OS

Output Short Circuit 
Current

[2]

V

CC

 = Max., V

OUT

 = GND

–300

–300

mA

I

CC

V

CC

 Operating 

Supply Current

V

CC

 = Max., I

OUT

 = 0 mA, 

f = f

MAX

 = 1/t

RC

50

45

mA

I

SB1

Automatic CE Power-Down 
Current — TTL Inputs

Max. V

CC

, CE 

 V

IH

V

IN

 

 V

IH

, or V

IN 

 V

IL

f = f

MAX

5

5

mA

L

4

4

mA

I

SB2

Automatic CE Power-Down 
Current — CMOS Inputs

[3]

Max. V

CC

, CE 

 V

CC

–0.3V, V

IN

 

 

V

CC

 – 0.3V, or V

IN

 

 0.3V, 

WE

V

CC

–0.3V or WE

 0.3V, 

f=f

MAX

500

500

µ

A

L

50

50

µ

A

Capacitance

[4]

Parameter

Description

Test Conditions

Max.

Unit

C

IN

: Addresses

Input Capacitance

T

A

 = 25

°

C, f = 1 MHz, V

CC

 = 3.3V

5

pF

C

IN

: Controls

6

pF

C

OUT

Output Capacitance

6

pF

AC Test Loads and Waveforms

Note:

4.

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

3.0V

3.3V

OUTPUT

R1 317

R2
351

C

L

INCLUDING

JIG AND

SCOPE

GND

90%

10%

90%

10%

3 ns

3 ns

OUTPUT

1.73V

Equivalent to:

THÉVENIN EQUIVALENT

ALL INPUT PULSES

167

Содержание CY7C1399B

Страница 1: ...ddress present on the address pins A0 through A14 Reading the device is accomplished by selecting the device and enabling the outputs CE and OE active LOW while WE remains inactive or HIGH Under these...

Страница 2: ...Over the Operating Range 1 7C1399B 10 7C1399B 12 Parameter Description Test Conditions Min Max Min Max Unit VOH Output HIGH Voltage VCC Min IOH 2 0 mA 2 4 2 4 V VOL Output LOW Voltage VCC Min IOL 4 0...

Страница 3: ...ing Supply Current VCC Max IOUT 0 mA f fMAX 1 tRC 50 45 mA ISB1 Automatic CE Power Down Current TTL Inputs Max VCC CE VIH VIN VIH or VIN VIL f fMAX 5 5 mA L 4 4 mA ISB2 Automatic CE Power Down Current...

Страница 4: ...e End 5 7 ns tHD Data Hold from Write End 0 0 ns tHZWE WE LOW to High Z 8 7 7 ns tLZWE WE HIGH to Low Z 6 3 3 ns Notes 5 Test conditions assume signal transition time of 3 ns or less timing reference...

Страница 5: ...CE HIGH to Power Down 15 20 ns WRITE CYCLE 8 9 tWC Write Cycle Time 15 20 ns tSCE CE LOW to Write End 10 12 ns tAW Address Set Up to Write End 10 12 ns tHA Address Hold from Write End 0 0 ns tSA Addre...

Страница 6: ...ontinuously selected OE CE VIL 11 WE is HIGH for read cycle 12 Address valid prior to or coincident with CE transition LOW ADDRESS DATA OUT PREVIOUS DATA VALID DATA VALID tRC tAA tOHA Read Cycle No 1...

Страница 7: ...utput state and input signals should not be applied Switching Waveforms continued tHD tSD tPWE tSA tHA tAW tWC DATA I O ADDRESS CE WE OE tHZOE DATAINVALID Write Cycle No 1 WE Controlled 8 13 14 NOTE 1...

Страница 8: ...line Package CY7C1399BL 12VC V21 28 Lead Molded SOJ CY7C1399BL 12ZC Z28 28 Lead Thin Small Outline Package CY7C1399B 12VI V21 28 Lead Molded SOJ Industrial CY7C1399B 12ZI Z28 28 Lead Thin Small Outlin...

Страница 9: ...other rights Cypress Semiconductor does not authorize its products for use as critical components in life support systems where a malfunction or failure may reasonably be expected to result in signif...

Страница 10: ...0 Revision History Document Title CY7C1399B 32K x 8 3 3V Static RAM Document Number 38 05071 REV ECN NO ISSUE DATE ORIG OF CHANGE DESCRIPTION OF CHANGE 107264 05 25 01 SZV Change from Spec 38 01102 to...

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