Epson SED 1520 Series User Manual download pdf (Page 40)

S-MOS SYSTEMS, INC.

5.0 Electrical Characteristics 5.3.3

5.3.3 Display Control Timing

Input Timing

Ta = –20 to 75°C, VSS = –5.0V ±10%

Parameter Symbol Signal Condition Min Typ Max Unit

Low level pulse width t

WLCL 35 — — µs

High level pulse width t

WHCL

35 — — µs

Rise time t

r — 30 150 ns

Fall time t

f — 30 150 ns

FR delay time t

DFR FR –2.0 0.2 2.0 µs

Output Timing

= –20 to 75°C, V

= –5.0V ±10%

Parameter Symbol Signal Condition Min Typ Max Unit

FR delay time t

DFR FR CL = 100 pF — 0.2 0.4 µs

*1. The listed FR input delay time applies to the SED1521 and 1520 (slave).

The listed FR output delay time applies to the SED1520 (master).

*2. Each of the values where V

SS = –3.0V is about 200% of that where VSS = –5.0V (i.e., the listed value).

WLCL

WHCL

DFR

CL



Figure 5.7. Display control timing

1 2 ... 35 36 37 38 39 40 41 42 43 44 45 ... 55 56

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Epson SED 1520 Series User Manual Page 40