M27C320 Ver la hoja de datos (PDF) - STMicroelectronics

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M27C320

32 Mbit (4Mb x8 or 2Mb x16) OTP EPROM

STMicroelectronics 

M27C320

Table 8. Read Mode AC Characteristics (1)

(TA = 0 to 70 °C, –40 to 85 °C or –40 to 125 °C; VCC = 5V ± 10%)

M27C320

Symbol Alt

Parameter

Test Condition

-80 (3)

-100

Min Max Min Max

tAVQV

tACC

Address Valid to Output

Valid

E = VIL, G = VIL

80

100

tBHQV tST BYTE High to Output Valid E = VIL, G = VIL

80

100

tELQV

tCE

Chip Enable Low to Output

Valid

G = VIL

80

100

tGLQV

tOE

Output Enable Low to

Output Valid

E = VIL

40

50

tBLQZ (2) tSTD BYTE Low to Output Hi-Z

E = VIL, G = VIL

40

40

tEHQZ (2)

tDF

Chip Enable High to Output

Hi-Z

G = VIL

0 40 0 40

tGHQZ (2)

tDF

Output Enable High to

Output Hi-Z

E = VIL

0 40 0 40

tAXQX

tOH

Address Transition to

Output Transition

E = VIL, G = VIL 5

5

tBLQX

tOH

BYTE Low to Output

Transition

E = VIL, G = VIL 5

5

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

2. Sampled only, not 100% tested.

3. Speed obtained with High Speed AC measurement conditions.

-120

Min Max

120

120

120

60

50

0 50

0 50

5

5

Unit

ns

ns

ns

ns

ns

ns

ns

ns

ns

Figure 5. Word-Wide Read Mode AC Waveforms

A0-A20

E

GVPP

Q0-Q15

Note: BYTE = VIH.

6/15

VALID

tAVQV

tGLQV

tELQV

tAXQX

VALID

tEHQZ

tGHQZ

Hi-Z

AI02207

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