M27W256-100N6TR(2006) View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

M27W256-100N6TR
(Rev.:2006)

256 Kbit (32Kb x 8) Low Voltage UV EPROM and OTP EPROM

STMicroelectronics 

M27W256

DC and AC parameters

TA = –40 to 85 °C; VCC = 2.7V to 3.6V; VPP = VCC

Table 9. Read Mode AC Characteristics (1)

Symbol Alt

Parameter

Test

Condition

-80 (2)

-100

(-120/-150/-200)

Unit

VCC = 3.0V to 3.6V VCC = 2.7V to 3.6V VCC = 2.7V to 3.6V

Min. Max. Min. Max. Min. Max.

tAVQV

tACC

Address Valid to

Output Valid

E = VIL,

G = VIL

70

80

100 ns

tELQV

tCE

Chip Enable Low to

Output Valid

G = VIL

70

80

t(s) tGLQV

tOE

Output Enable Low

to Output Valid

E = VIL

40

50

duc tEHQZ (3)

tDF

Chip Enable High to

Output Hi-Z

G = VIL

0

40

0

50

0

Pro t(s) tGHQZ (3)

tDF

Output Enable High

to Output Hi-Z

E = VIL

0

40

0

50

0

lete duc tAXQX

tOH

Address Transition

to Output Transition

E = VIL,

G = VIL

0

0

0

so ro 1. VCC must be applied simultaneously with or before VPP and removed simultaneously or after VPP.

b P 2. Speed obtained with High Speed AC measurement conditions.

- O te 3. Sampled only, not 100% tested.

) le Figure 8. Read Mode AC Waveforms

100 ns

60 ns

60 ns

60 ns

ns

ct(s bso A0-A14

rodu ) - O E

lete P uct(s G

bso Prod Q0-Q7

VALID

tAVQV

tGLQV

tELQV

tAXQX

VALID

tEHQZ

tGHQZ

Hi-Z

OObsolete AI00758B

15/23

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