AT27BV400-15TI View Datasheet(PDF) - Atmel Corporation

Part Name

Description

View to exact match

AT27BV400-15TI

4-Megabit (256K x 16 or 512K x 8) Unregulated Battery-Voltage™ High Speed OTP EPROM

Atmel Corporation 

AT27BV400

AC Characteristics for Read Operation

VCC = 2.7V to 3.6V and 4.5V to 5.5V

Symbol

Parameter

Condition

tACC(2)

tCE(2)

tOE(2)(3)

tDF(4)(5)

Address to Output Delay

CE to Output Delay

OE to Output Delay

OE or CE High to Output Float, whichever

occured first

CE = OE = VIL

OE = VIL

CE = VIL

tOH(4)

Output Hold from Address CE or OE,

whichever occured first

tST

tSTD

Notes:

BYTE High to Output Valid

BYTE Low to Output Transition

1. 2,3,4,5. See the AC Waveforms for Read Operation diagram.

Byte-Wide Read Mode AC Waveforms

AT27BV400

-12

-15

Min Max Min Max

120

150

120

150

40

50

30

35

Units

ns

ns

ns

ns

5

5

ns

120

150

ns

50

60

ns

Note: BYTE/VPP = VIL

Word-Wide Read Mode AC Waveforms

Note: BYTE/VPP = VIH

5

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