AM27C1024 datasheet(10/12 Pages) AMD

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Am27C1024

AC CHARACTERISTICS

Caution: Do not remove the device from (or insert it into) a socket or board that has VPP or VCC applied.

Notes:

1. VCC must be applied simultaneously or before VPP, and removed simultaneously or after VPP.

2. This parameter is sampled and not 100% tested.

3. Switching characteristics are over operating range, unless otherwise specified.

4. See Figure 3 and Table 1 for test specifications.

SWITCHING WAVEFORMS

Notes:

1. OE# may be delayed up to tACC – tOE after the falling edge of the addresses without impact on tACC.

2. tDF is specified from OE# or CE#, whichever occurs first.

PACKAGE CAPACITANCE

Notes:

1. This parameter is only sampled and not 100% tested.

2. TA = +25°C, f = 1 MHz.

Parameter Symbols

Description

Test Setup

Am27C1024

Unit

JEDEC

Standard

-55

-70

-90

-120 -150 -200 -255

tAVQV

tACC

Address to Output Delay

CE#,

OE# = VIL

Max

120

150

200

250

tELQV

tCE

Chip Enable to Output Delay

OE# = VIL Max

120

150

200

250

tGLQV

tOE

Output Enable to Output Delay CE# = VIL Max

404045

6575

tEHQZ

tGHQZ

tDF

(Note 2)

Chip Enable High or Output

Enable High to Output High Z,

Whichever Occurs First

Max

303040

5050

tAXQX

tOH

Output Hold Time from

Addresses, CE# or OE#,

Whichever Occurs First

Min

000

Addresses

CE#

OE#

Output

06780J-9

Addresses Valid

High Z

tCE

Valid Output

2.4

0.45

2.0

0.8

2.0

0.8

tACC

(Note 1)

tOE

tDF (Note 2)

tOH

Parameter Symbol

Parameter

Description

Test Conditions

CDV040

PD 040

PL 044

Unit

Typ

Max

Typ

Max

Typ

Max

CIN

Input Capacitance

VIN = 0

COUT

Output Capacitance

VOUT = 0

121411

1114

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