27128 datasheet(5/10 Pages) STMICROELECTRONICS

5 / 10 page

Symbol

Alt

Parameter

Test

Condition

M27128A

Unit

-2, -20

blank, -25

-3, -30

-4

Min

Max

Min

Max

Min

Max

Min

Max

tAVQV

tACC

Address Valid to

Output Valid

E = VIL,

G = VIL

200

250

300

450

tELQV

tCE

Chip Enable Low to

Output Valid

G = VIL

200

250

300

450

tGLQV

tOE

Output Enable Low

to Output Valid

E = VIL

100

120

150

tEHQZ

(2)

tDF

Chip Enable High to

Output Hi-Z

G = VIL

105

130

tGHQZ

(2)

tDF

Output Enable High

to Output Hi-Z

E = VIL

105

130

tAXQX

tOH

Address Transition to

Output Transition

E = VIL,

G = VIL

000

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

2. Sampled only, not 100% tested.

Table 7. Read Mode AC Characteristics (1)

(TA = 0 to 70

°C or –40 to 85 °C; VCC = 5V ± 5% or 5V ± 10%; VPP = VCC)

Symbol

Parameter

Test Condition

Min

Max

Unit

ILI

Input Leakage Current

≤ VIN ≤ VCC

±10

µA

ILO

Output Leakage Current

VOUT = VCC

±10

µA

ICC

Supply Current

E = VIL, G = VIL

ICC1

Supply Current (Standby)

E = VIH

IPP

Program Current

VPP = VCC

5mA

VIL

Input Low Voltage

–0.1

0.8

VIH

Input High Voltage

VCC + 1

VOL

Output Low Voltage

IOL = 2.1mA

0.45

VOH

Output High Voltage

IOH = –400

µA

2.4

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

Table 6. Read Mode DC Characteristics (1)

(TA = 0 to 70

°C or –40 to 85 °C; VCC = 5V ± 5% or 5V ± 10%; VPP = VCC)

5/10

M27128A

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