SERCON816 datasheet(8/23 Pages) STMICROELECTRONICS

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SERCON816

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3.2 Recommended Operating Conditions

Notes: 1. Only if PLL is used (SBAUD16=0)

2. For normal operation, during testing fMCLK = 0 is possible

Symbol

Parameter

Min.

Max.

Unit

Operating temperature

-40

°C

Chip junction temperature

-40

125

°C

VDD

Operating supply voltage

4.75

5.25

fSCLK

Clock frequency SCLK

321

MHz

fMCLK

Clock frequency MCLK

122

MHz

3.3 ELECTRICAL CHARACTERISTCS

(VDD = 5V ± 5% Tamb = -40 °C to +85 °C, unless otherwise specified)

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

VIL

Low level input voltage (TTL)

All inputs

0.8

VIH

High level input voltage (TTL)

All inputs

2.0

Vhyst

Schmitt trigger hysteresis

L_ERRN, TXD6-1, MCLK, SCLK,

RSTN, ADMUX, BUSMODE1-0,

BUSWIDTH, BYTEDIR, TM1-0,

SBAUD16, SBAUD, TEST, OUTZ,

RXD, CYC_CLK

0.4

0.7

IIL

Low level input current with pull-

D15-0, A15-0, TXD6-1, ADMUX,

BUSMODE1-0, BYTEDIR, TM1-

0, SBAUD16, SBAUD, TEST,

OUTZ, RXD, CYC_CLK, BHEN,

MCSN1-0, PCSN0, PCS1,

DMAACKTN, DMAACKRN

VI = VSS

-40

-100

-240

µA

IIH

High level input current with pull-

down

MCLK, SCLK, RSTN, ALEH,

ALEL

VI = VDD

100

240

µA

Rup

Equivalent pull-up resistance

VI = VSS

112.5

KOhm

Rdn

Equivalent pull-down resistance

VI = VDD

112.5

KOhm

VOL

Low level output voltage, all O-

and I/O-pins except TXD6-1,

L_ERRN

IOI = -4 mA

0.4

VOH

High level output voltage, all O-

and I/O-pins except TXD6-1,

L_ERRN

IOH = +4 mA

2.4

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