STM86312 datasheet(5/16 Pages) STMICROELECTRONICS

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STM86312

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Table 6: Switching Characteristics (VDD = 4.5 to 5.5V, VSS =0V, VEE =VDD -35V, TA = -20 to 70°C,

unless otherwise noted. Typical values are at TA = 25°C)

Table 7: Timing Characteristics (VDD = 4.5 to 5.5V, TA = -20 to 70°C, unless otherwise noted. Typical

values are at TA = 25°C)

NOTE 1: Refer to page Serial Communication Format.

DISPLAY RAM ADDRESS AND DISPLAY MODE

The display RAM stores the data transmitted from an external device to the STM86312 through the serial

interface; addresses are as follows, in 8-bits unit:

"0" in memory means VEE on output; "1" in memory means VDD on output.

Symbol

Parameter

Test Conditions

Value

Unit

Min.

Typ.

Max.

tPLZ

Propagation Delay

CLK

→ D

OUT

RL =10kΩ,CL =15pF

300

tPZL

100

tTZH1

Rise Time

CL = 300 pF

Seg1 to Seg11

µs

tTZH2

Grid1 to Grid6, Seg12/

Grid11 to Seg16/Grid7

0.5

tTHZ

Fall Time

CL = 300 pF, Segn, Gridn

120

µs

fMAX

Maximum Clock Frequency

Duty = 50%

MHz

Input Capacitance

Symbol

Parameter

Test Conditions

Value

Unit

Min.

Typ.

Max.

PWCLK Clock Pulse Width

400

PWSTB Strobe Pulse Width

µs

tSETUP

Data Setup Time

100

tHOLD

Data Hold Time

100

tCLK-STB Clock-Strobe Time

CLK

↑→ STB↑

1µs

tWAIT

Wait Time (Note 1)

CLK

↑→ CLK↓

1µs

Seg1

Seg4

Seg8

Seg12

Seg16

00 HL

00 HU

01 HL

01 HU

DIG1

02 HL

02 HU

03 HL

03 HU

DIG2

04 HL

04 HU

05 HL

05 HU

DIG3

06 HL

06 HU

07 HL

07 HU

DIG4

08 HL

08 HU

09 HL

09 HU

DIG5

0A HL

0A HU

0B HL

0B HU

DIG6

0C HL

0C HU

0D HL

0D HU

DIG7

0E HL

0E HU

0F HL

0F HU

DIG8

10 HL

10 HU

11 HL

11 HU

DIG9

12 HL

12 HU

13 HL

13 HU

DIG10

14 HL

14 HU

15 HL

15 HU

DIG11

b3 b4

XX HL

XX HU

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