Rainbow Electronics MAX6920 - Manual (Page 3)

MAX6920
12-Output, 76V, Serial-Interfaced
VFD Tube Driver
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ELECTRICAL CHARACTERISTICS (continued)
(Typical Operating Circuit, V BB = 8V to 76V, V CC = 3V to 5.5V, T A = T MIN to T MAX , unless otherwise noted.) (Note 1)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Rise Time OUT_ (20% to 80%) t R V BB = 60V, C L = 50pF, R L = 2.3k Ω 0.9 2 µs
Fall Time OUT_ (80% to 20%) t F V BB = 60V, C L = 50pF, R L = 2.3k Ω 0.6 1.5 µs
SERIAL INTERFACE TIMING CHARACTERISTICS
LOAD Rising to OUT_ Falling
Delay
(Notes 2, 3) 0.9 1.8 µs
LOAD Rising to OUT_ Rising
Delay
(Notes 2, 3) 1.2 2.4 µs
BLANK Rising to OUT_ Falling
Delay
(Notes 2, 3) 0.9 1.8 µs
BLANK Falling to OUT_ Rising
Delay
(Notes 2, 3) 1.3 2.5 µs
Input Leakage Current
CLK, DIN, LOAD, BLANK
I IH , I IL 0.05 10 µA
Logic-High Input Voltage
CLK, DIN, LOAD, BLANK
V IH
0.8 x
V CC
V
Logic-Low Input Voltage
CLK, DIN, LOAD, BLANK
V IL
0.3 x
V CC
V
Hysteresis Voltage
DIN, CLK, LOAD, BLANK
∆V
I 0.6 V
High-Voltage DOUT V OH I SOURCE = -1.0mA
V CC -
0.5
V
Low-Voltage DOUT V OL I SINK = 1.0mA 0.5 V
3V to 4.5V 60 100
Rise and Fall Time DOUT
C DOUT = 10pF
(Note 2) 4.5V to 5.5V 30 80
ns
CLK Clock Period t CP 200 ns
CLK Pulse-Width High t CH 90 ns
CLK Pulse-Width Low t CL 90 ns
CLK Rise to LOAD Rise Hold t CSH (Note 2) 100 ns
DIN Setup Time t DS 5 ns
3V to 4.5V 20
DIN Hold Time t DH
4.5V to 5.5V 15
ns
3.0V to 4.5V 25 120 240
DOUT Propagation Delay t DO C DOUT = 10pF
4.5V to 5.5V 20 75 150
ns
LOAD Pulse High t CSW 55 ns
Note 1: All parameters are tested at T A = +25°C. Specifications over temperature are guaranteed by design.
Note 2: Guaranteed by design.
Note 3: Delay measured from control edge to when output OUT_ changes by 1V.