M27W400 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

M27W400

4 Mbit (512Kb x8 or 256Kb x16) Low Voltage UV EPROM and OTP EPROM

STMicroelectronics 

M27W400

Table 8. Read Mode AC Characteristics (1)

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

M27W400

Symbol Alt

Parameter

Test Condition

-100(3)

VCC = 3.0 VCC = 2.7

to 3.6V

to 3.6V

-120

VCC = 2.7 to

3.6V

Unit

Min Max Min Max Min Max

tAVQV

tACC

Address Valid to Output

Valid

E = VIL, G = VIL

80

100

120 ns

tBHQV

tST

BYTE High to Output

Valid

E = VIL, G = VIL

80

100

120 ns

tELQV

tCE

Chip Enable Low to

Output Valid

G = VIL

80

100

120 ns

tGLQV

tOE

Output Enable Low to

Output Valid

E = VIL

40

50

60 ns

tBLQZ (2) tSTD BYTE Low to Output Hi-Z E = VIL, G = VIL

40

50

60 ns

tEHQZ (2)

tDF

Chip Enable High to

Output Hi-Z

G = VIL

0 40 0 50 0 60 ns

tGHQZ (2)

tDF

Output Enable High to

Output Hi-Z

E = VIL

0 40 0 50 0 60 ns

tAXQX

tOH

Address Transition to

Output Transition

E = VIL, G = VIL

5

5

5

ns

tBLQX

tOH

BYTE Low to Output

Transition

E = VIL, G = VIL

5

5

5

ns

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 measurement conditions.

6/15

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