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NEC PD75P308 User Manual

Page 26

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µ

PD75P308

26

*1: These symbols are the corresponding

µ

PD27C256 symbols.

2: The internal address signal is incremented by 1 at the fourth rising edge of X1 input. The internal

address is not connected to any pin.

Parameter

Symbol

*

1

Conditions

MIN.

TYP.

MAX.

Unit

t

AS

t

AS

t

M1S

t

OES

t

DS

t

DS

t

AH

t

AH

t

DH

t

DH

t

DF

t

DF

t

VPS

t

VPS

t

VDS

t

VCS

t

PW

t

PW

t

OPW

t

OPW

t

MOS

t

CES

t

DV

t

DV

t

M1H

t

OEH

t

M1R

t

OR

t

PCR

t

XH

,t

XL

f

X

t

I

t

M3S

t

M3H

t

M3SR

t

DAD

t

ACC

t

HAD

t

OH

t

M3HR

t

DFR

MD0 = MD1 = V

IL

t

M1H

+ t

M1R

50

µ

s

When data is read from program memory

When data is read from program memory

When data is read from program memory

When data is read from program memory

When data is read from program memory

2

µ

s

2

µ

s

2

µ

s

2

µ

s

2

µ

s

0

130

ns

2

µ

s

2

µ

s

0.95

1.0

1.05

ms

0.95

21.0

ms

2

µ

s

1

µ

s

2

µ

s

2

µ

s

10

µ

s

0.125

µ

s

4.19

MHz

2

µ

s

2

µ

s

2

µ

s

2

µ

s

2

µ

s

0

130

ns

2

µ

s

2

µ

s

Address Set-Up Time

*2

(vs.MD0

)

MD1 Set-Up Time (vs. MD0

)

Data Set-Up Time (vs. MD0

)

Address Hold Time

*2

(vs.MD0

)

Data Hold Time (vs. MD0

)

MD0

↑→

Data Output Float Delay Time

V

PP

Set-Up Time (vs. MD3

)

V

DD

Set-Up Time (vs. MD3

)

Initial Program Pulse Width

Additional Program Pulse Width

MD0 Set-Up Time (vs. MD1

)

MD0

↓→

Data Output Delay Time

MD1 Hold Time (vs. MD0

)

MD1 Recovery Time (vs. MD0

)

Program Counter Reset Time

X1 Input High-/Low- Level Width

X1 Input Frequency

Initial Mode Set Time

MD3 Set-Up Time (vs. MD1

)

MD3 Hold Time (vs. MD1

)

MD3 Set-Up Time (vs. MD0

)

Address

*2

Data Output Delay Time

Address

*2

Data Output Hold Time

MD3 Hold Time (vs. MD0

)

MD3

↓→

Data Output Float Delay Time

Notes 1: V

PP

must not exceed +13.5 V, including the overshoot.

2: Apply V

DD

before V

PP

and disconnect it after V

PP

.

Parameter

Symbol

Conditions

MIN.

TYP.

MAX.

Unit

0.7 V

DD

V

DD

V

V

DD

–0.5

V

DD

V

0

0.3 V

DD

V

0

0.4

V

10

µ

A

V

DD

–1.0

V

0.4

V

30

mA

30

mA

Other than X1 or X2

X1 and X2

Other than X1 or X2

X1 and X2

V

IN

= V

IL

or V

IH

I

OH

= –1 mA

I

OL

= 1.6 mA

MD0 = V

IL

, MD1 = V

IH

V

IH1

V

IH2

V

IL1

V

IL2

I

LI

V

OH

V

OL

I

DD

I

PP

High-Level Input Voltage

Low-Level Input Voltage

Input Leakage Current

High-Level Output Voltage

Low-Level Output Voltage

V

DD

Supply Current

V

PP

Supply Current

AC PROGRAMMING CHARACTERISTICS (T

a

= 25

±

5

°

C, V

DD

= 6.0

±

0.25V, V

PP

= 12.5

±

0.3V, V

SS

= 0V)

DC PROGRAMMING CHARACTERISTICS (T

a

= 25

±

5

°

C, V

DD

= 6.0

±

0.25V, V

PP

= 12.5

±

0.3V, V

SS

= 0V)