Datasheet > 27C6412/15/17

27C6412/15/17

更新时间： 2022-01-19 06:10:00

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27C6412/15/17 Datasheet

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27C6412/15/17 数据手册

27C64

TABLE 1-3:

READ OPERATION AC CHARACTERISTICS

AC Testing Waveform:

Output Load:

VIH = 2.4V and VIL = 0.45V; VOH = 2.0V VOL = 0.8V

1 TTL Load + 100 pF

Input Rise and Fall Times: 10 ns

Ambient Temperature: Commercial:

Industrial:

Tamb = 0˚C to +70˚C

Tamb = -40˚C to +85˚C

27C64-12 27C64-15 27C64-17 27C64-20 27C64-25

Min Max Min Max Min Max Min Max Min Max

Parameter

Sym

Units Conditions

Address to Output Delay tACC

—

120

—

150

—

170

—

200

—

250

100

CE = OE = VIL

OE = VIL

CE to Output Delay

OE to Output Delay

tCE

tOE

CE = VIL

CE or OE to O/P High

Impedance

tOFF

Output Hold from

tOH

—

Address CE or OE,

whichever occurs ﬁrst

FIGURE 1-1: READ WAVEFORMS

Address Valid

Address

tCE(2)

OFF(1,3)

OE(2)

Outputs

O0 - O7

High Z

Valid Output

ACC

Note 1: tOFF is speciﬁed for OE or CE, whichever occurs ﬁrst.

2: OE may be delayed up to tCE - tOE after the falling edge of CE without impact on tCE.

3: This parameter is sampled and is not 100% tested.

1996 Microchip Technology Inc.

DS11107L-page 3

1 234 5 6 7...13

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