27C128 Ver la hoja de datos (PDF) - Microchip Technology

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27C128

128K (16K x 8) CMOS EPROM

Microchip Technology 

27C128

TABLE 1-3: READ OPERATION AC CHARACTERISTICS

AC Testing Waveform:

Output Load:

Input Rise and Fall Times:

Ambient Temperature:

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

1 TTL Load + 100 pF

10 ns

Commercial:

Tamb = 0°C to +70°C

Industrial:

Tamb = -40°C to +85°C

Extended (Automotive): Tamb = -40°C to +125°C

Parameter

27C128-12 27C128-15 27C128-17 27C128-20 27C128-25

Sym

Units Conditions

Min Max Min Max Min Max Min Max Min Max

Address to Output Delay tACC — 120 — 150 — 170

CE to Output Delay

tCE — 120 — 150 — 170

OE to Output Delay

tOE — 65 — 70 — 70

CE or OE to O/P High

Impedance

tOFF 0 50 0 50 0 50

Output Hold from

Address CE or OE,

whichever occurs first

tOH 0 — 0 — 0 —

— 200 — 250

— 200 — 250

— 75 — 100

0 55 0 60

0—0—

ns CE=OE=VIL

ns OE=VIL

ns CE=VIL

ns

ns

FIGURE 1-1: READ WAVEFORMS

 2004 Microchip Technology Inc.

DS11003L-page 3

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