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27C512TRPDB12

512 Kbit (64K x 8-bit) - OTP EPROM

MAXWELL TECHNOLOGIES 

512K (64K x 8-Bit) OTP EPROM

27C512T

TABLE 8. 27C512T AC ELECTRICAL CHARACTERISTICS FOR PROGRAMMING OPERATION 1,2

(VCC = 6.0V + 0.25V, VPP = 12.5V + 0.3V, TA = 25 °C)

PARAMETER

SYMBOL

SUBGROUPS

MIN

TYP

MAX

UNIT

Address Setup Time

Address Hold Time

Data Setup Time

Data Hold Time

VPP Setup Time

VCC Setup Time

Output Enable Setup Time

Output Disable Time

CE Initial Programming Pulse Width

CE Overprogramming Pulse Width

Output Enable Hold Time

VPP Recovery Time

Data Valid from Chip Enable

tAS

9, 10, 11

2

--

--

µs

tAH

9, 10, 11

0

--

--

µs

tDS

9, 10, 11

2

--

--

µs

tDH

9, 10, 11

2

--

--

µs

tVPS

9, 10, 11

2

--

--

µs

tVCS

9, 10, 11

2

--

--

µs

tOES

9, 10, 11

2

--

--

µs

tDF3

9, 10, 11

0

--

130

ns

tPW

9, 10, 11

0.19

0.20

0.21

ms

tOPW

9, 10, 11

0.19

--

5.25

ms

tOEH

9, 10, 11

2

--

--

µs

tVR

9, 10, 11

2

--

--

µs

tDV

9, 10, 11

1

--

--

µs

1. tDF is defined as the time at which the output becomes an open circuit and data is no longer driven.

2. AC electrical parameters for programming operations are not tested. These are guaranteed by design.

3. Test Conditions:

- Input pulse levels

0.45V/2.4V

- Input rise and fall times

< 20 ns

- Referenced levels for measuring timing 0.8V/2.0V

TABLE 9. 27C512T DC ELECTRICAL CHARACTERISTICS FOR PROGRAMMING OPERATIONS1,2,3,4

(VCC = 6.0V + 0.25V, VPP = 12.5V + 0.3V, TA = 25 °C)

PARAMETER

TEST CONDITION

SYMBOL

SUBGROUPS

MIN

MAX

UNIT

Input Leakage Current

Operating VCC Current

Operating VPP Current

Input Voltage5

Output Voltage

VIN=0V to VCC

CE=PGM=VIL

IOH=-400µ A

IOH= 2.1mA

ILI

1, 2, 3

--

2

µA

ICC

1, 2, 3

--

30

mA

IPP

1, 2, 3

--

40

mA

VIH

1, 2, 3

2.2

VCC+0.56

V

VIL

1, 2, 3

-0.17

0.8

VOH

1, 2, 3

2.4

--

V

VOL

1, 2, 3

--

0.45

1. VCC must be applied before VPP and removed after VPP.

2. VPP must not exceed 13V, including overshoot.

3. Do not change VPP from VIL to 12.5V or 12.5V to VIL when CE = low.

4. DC electrical parameters for programming operations are not tested. These are guaranteed by design.

5. Device reliability may be adversely affected if the device is installed or removed while VPP = 12.5V.

06.24.03 REV 4

All data sheets are subject to change without notice 5

©2003 Maxwell Technologies

All rights reserved.

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