LC7958NC 查看數據表（PDF） - SANYO -> Panasonic

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LC7958NC

64-Bit LED Driver for 300 dpi Printers

SANYO -> Panasonic 

LC7958NC

Switching Characteristics at VSS = 0 V, VDD1 = VDD2 = 5 V ± 10%, Ta = 0 to 100°C

Parameter

Symbol

Conditions

Ratings

Unit

min typ max

SO output rise time

SO output fall time

tor

SO: CL=10.8pF

tof

50 ns

Output transmission delay

time from STROBE to DO

tpsr STROBE, DO1 to DO64: CL = 10.8

tpsf pF, RF = 10 kΩ

250 ns

Output transmission delay

time from CLOCK2 to SO

tpcr

CLOCK2, SO

tpcf

10

70 ns

CLOCK1→CLOCK2

transmission delay time

tPH CLOC1, CLOCK2, LOAD1, LOAD2:

tPL CL=10.8 pF

40 ns

Equivalent Circuit Block Diagram

VREF

ADJ(+)

Constant

current

circuit

DO1

DO6 4

64-bit constant current driver

VDD2

VDD1

VSS

ADJ(-)

STROBE

SEL

LOAD1

SI

CLOCK1

64-bit latch

64-bit shift register

LOAD2

SO

CLOCK2

6585-4/11

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