M27C320 datasheet(6/15 Pages) STMICROELECTRONICS

6 / 15 page

M27C320

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Figure 5. Word-Wide Read Mode AC Waveforms

Note: BYTE = VIH.

AI02207

tAXQX

tEHQZ

A0-A20

GVPP

Q0-Q15

tAVQV

tGHQZ

tGLQV

tELQV

VALID

Hi-Z

VALID

Table 8. Read Mode AC Characteristics (1)

(TA = 0 to 70 °C; VCC =5V ± 10%)

Note: 1. VCC must be applied simultaneously with or before VPP and removed simultaneously or after VPP

2. Sampled only, not 100% tested.

Symbol

Alt

Parameter

Test Condit ion

M27C320

Unit

-80

-100

-120

Min

Max

Min

Max

Min

Max

tAVQV

tACC

Address Valid to Output

Valid

E= VIL,G = VIL

100

120

tBHQV

tST

BYTE High to Output Valid

E= VIL,G = VIL

100

120

tELQV

tCE

Chip Enable Low to Output

Valid

G= VIL

100

120

tGLQV

tOE

Output Enable Low to

Output Valid

E= VIL

tBLQZ

(2)

tSTD

BYTE Low to Output Hi-Z

E= VIL,G = VIL

tEHQZ

(2)

tDF

Chip Enable High to Output

Hi-Z

G= VIL

tGHQZ

(2)

tDF

Output Enable High to

Output Hi-Z

E= VIL

tAXQX

tOH

Address Transition to

Output Transition

E= VIL,G = VIL

tBLQX

tOH

BYTE Low to Output

Transition

E= VIL,G = VIL

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