M48Z02_07 datasheet(15/20 Pages) STMICROELECTRONICS

15 / 20 page

M48Z02, M48Z12

DC and AC parameters

15/20

Table 8.

DC characteristics

Figure 10.

Power down/up mode AC waveforms

Note:

Inputs may or may not be recognized at this time. Caution should be taken to keep E high as

VCC rises past VPFD (min). Some systems may perform inadvertent WRITE cycles after VCC

rises above VPFD (min) but before normal system operations begin. Even though a power on

reset is being applied to the processor, a reset condition may not occur until after the system

is running.

Symbol

Parameter

Test condition(1)

Valid for ambient operating temperature: TA = 0 to 70°C; VCC = 4.75 to 5.5V or 4.5 to 5.5V (except where noted).

Min

Max

Unit

ILI

Input leakage current

≤ VIN ≤ VCC

±1

µA

ILO

(2)

Outputs deselected.

Output leakage current

≤ VOUT ≤ VCC

±1

µA

ICC

Supply current

Outputs open

ICC1

Supply current (standby) TTL

E = VIH

3mA

ICC2

Supply current (standby) CMOS

= VCC – 0.2V

VIL

Input low voltage

–0.3

0.8

VIH

Input high voltage

2.2

VCC + 0.3

VOL

Output low voltage

IOL = 2.1mA

0.4

VOH

Output high voltage

IOH = –1mA

2.4

AI00606

VCC

INPUTS

(PER CONTROL INPUT)

OUTPUTS

DON'T CARE

HIGH-Z

tFB

tREC

tPD

tRB

tDR

VALID

NOTE

(PER CONTROL INPUT)

RECOGNIZED

VPFD (max)

VPFD (min)

VSO

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