FEDR27V1652E-01-02

OKI Semiconductor

MR27V1652E / OTP

7/15

ELECTRICAL CHARACTERISTICS (PROGRAMMING OPERATION)

DC Characteristics

(Ta = 25

°C ± 5°C)

Parameter

Symbol

Condition

Min.

Typ.

Max.

Unit

Input leakage current

—

—

10

µA

CE = V

IL

—

—

50

mA

—

—

—

80

mA

Input “H” level

—

3.0

—

V

Input “L” level

—

–0.5

—

0.8

V

Output “H” level

2.4

—

—

V

Output “L” level

—

—

0.45

V

Program voltage

—

9.5

9.75

10.0

V

—

3.9

4.0

4.1

V

AC Characteristics

Parameter

Symbol

Condition

Min.

Typ.

Max.

Unit

Address set-up time

—

100

—

—

ns

OE set-up time

—

2

—

—

µs

Data set-up time

—

100

—

—

ns

Address hold time

—

2

—

—

µs

Data hold time

—

100

—

—

ns

Output float delay time from

OE

—

0

—

100

ns

—

2

—

—

µs

Program pulse width

—

9

10

11

µs

Data valid from

OE

—

—

—

100

ns

Address hold from

OE high

—

0

—

—

ns

Pin Check Function

Pin Check Function is to check contact between each device-pin and each socket-lead with EPROM programmer.

Setting up address as following condition call the preprogrammed codes on device outputs.

A0

A1

A2

A3

A4

A5

A6

A7

A8

A9

A10

A11

A12

A13

A14

A15

A16

A17

A18

A19

DATA

0

1

0

1

0

1

0

1

0

VH

∗

0

1

0

1

0

1

0

0

1

1

FF00

1

0

1

0

1

0

1

0

1

VH

∗

1

0

1

0

1

0

1

1

0

0

00FF

Other conditions

FFFF

∗: VH = 8 V ± 0.25 V