Datasheet
Table Of Contents

Serially Interfaced, 8-Digit LED Display Drivers
ELECTRICAL CHARACTERISTICS (continued)
(V+ = 5V ±10%, R
SET
= 9.53kΩ ±1%, T
A
= T
MIN
to T
MAX
, unless otherwise noted.)
V
IN
= 0V or V+
DOUT, I
SINK
= 1.6mA
DOUT, I
SOURCE
= -1mA
CONDITIONS
µA-1 1I
IH
, I
IL
Input Current DIN, CLK,
LOAD, CS
V0.4V
OL
Output Low Voltage
V3.5V
IH
Logic High Input Voltage
V0.8V
IL
Logic Low Input Voltage
VV+ - 1V
OH
Output High Voltage
UNITSMIN TYP MAXSYMBOLPARAMETER
DIN, CLK, LOAD, CS
V1ΔV
I
Hysteresis Voltage
ns25t
CSS
CS Fall to SCLK Rise Setup Time
(MAX7221 only)
ns100t
CP
CLK Clock Period
ns50t
CH
CLK Pulse Width High
ns50t
CL
CLK Pulse Width Low
C
LOAD
= 50pF
ns25t
DS
DIN Setup Time
ns50t
CSW
Minimum CS or LOAD Pulse
High
ns0t
DH
DIN Hold Time
ns25t
DO
Output Data Propagation Delay
ns50t
LDCK
Load-Rising Edge to Next Clock
Rising Edge (MAX7219 only)
ns0t
CSH
CLK Rise to CS or LOAD Rise
Hold Time
ms2.25t
DSPD
Data-to-Segment Delay
LOGIC INPUTS
TIMING CHARACTERISTICS
MAX7219/MAX7221
Maxim Integrated
3