M28LV64 データシートの表示（PDF） - STMicroelectronics

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M28LV64

64K (8K x 8) LOW VOLTAGE PARALLEL EEPROM with SOFTWARE DATA PROTECTION

STMicroelectronics 

M28LV64

Table 7. Read Mode AC Characteristics

(TA = 0 to 70°C or –40 to 85°C; VCC = 2.7V to 3.6V)

Symbol Alt

Parameter

Test Condition

tAVQV

tACC

Address Valid to Output

Valid

E = VIL, G = VIL

tELQV

tCE

Chip Enable Low to Output

Valid

G = VIL

tGLQV

tOE

Output Enable Low to

Output Valid

E = VIL

tEHQZ (1,2 )

tDF

Chip Enable High to

Output Hi-Z

G = VIL

tGHQZ (1,2)

tDF

Output Enable High to

Output Hi-Z

E = VIL

tAXQX (2)

tOH

Address Transition to

Output Transition

E = VIL, G = VIL

Notes: 1. Output Hi-Z is defined as the point at which data is no longer driven.

2. Guaranted, not 100% sampled.

-200

M28LV64

-250

-300

Unit

min max min max min max

200

250

300 ns

200

250

300 ns

100

150

150 ns

0 55 0 60 0 60 ns

0 55 0 60 0 60 ns

0

0

0

ns

Figure 9. Read Mode AC Waveforms

A0-A12

E

G

DQ0-DQ7

Note: Wri te Enable (W) = High

tAVQV

VALID

tAXQX

tGLQV

tEHQZ

tELQV

DATA OUT

tGHQZ

Hi-Z

AI00749B

8/18

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