Kern-sohn VFS 2T1 Addendum Uživatelský manuál stáhnout pdf (Strana 7)

EPM205 - Technical reference - Rev. A Page 7

Advanced Printing Systems

3. THERMAL HEAD AND PRINTING CONFIGURATION

3.1. Outlines

Heat element structure: 2 heaters/dot

Number of heat elements: 384 dots

Heat element pitch: 0.125 mm

Average resistance: LV - 123  ±4%

HS - 176  ±4%

3.2. Thermal head electrical characteristics

Item Symbol Min. Typ. Max. Unit

Print voltage VH - 5.0

LV= 7.2

HS= 8.5

V

Logic voltage Vdd 2.7 5.00 5.25 V

Logic current Idd - - 48 mA

Input voltage (High) VIH 0.8 x Vdd - Vdd V

Input voltage (Low) VIL 0 - 0.2 x Vdd V

Data input current (DI) High IIH DI - - 0.5 µA

Data input current (DI) Low IIL DI - - -0.5 µA

STB 1 to 6 input current (High) IIH STB - - 30 µA

STB 1 to 6 input current (Low) IIL STB - - -0.5 µA

Clock input current (High) IIH CLK - - 3 µA

Clock input current (Low) IIL CLK - - -3 µA

Latch input current (High) IIH LAT - - 3 µA

Latch input current (Low) IIL LAT - - -3 µA

Data out output voltage (High) VDOH 4.45 - - V

Data out output voltage (Low) VDOL - - 0.05 V

Output voltage (driver out) VOL - 1.0 - V

Clock frequency f CLK - - 8 MHz

Clock width tw CLK 30 - - ns

Data setup time tsetup DI 30 - - ns

Data hold time thold DI 10 - - ns

Latch width tw LAT 100 - - ns

Latch setup time tsetup LAT 200 - - ns

Latch hold time thold LAT 50 - - ns

Data out delay time td DO - - 120 ns

STB setup time tsetup STB 300 - - ns

Driver out delay time tdo - - 5 µs

1 2 3 4 5 6 7 8 9 10 11 12 ... 28 29

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