AN32055A Datasheet, PDF (18/97 Pages) Panasonic Semiconductor – 7 x 7 Dots Matrix LED Driver LSI with Step-up DC/DC Converter for White LED

Doc No. TA4-EA-04511
Revision. 2
ELECTRICAL CHARACTERISTICS (continued)
VB = VBDCDC = VBLED = 3.6 V, VLED1 = VLED2 = 4.9 V
Note) T_a = 25 C  2 C unless otherwise specified.
Parameter
Symbol
Condition
Microcomputer interface characteristic (Vdd = 1.85 V  3%)
CLK cycle time
tscyc1
—
CLK cycle time High period
twhc1
—
CLK cycle time Low period
twlc1
—
Serial-data setup time
tss1
—
Serial-data hold time
tsh1
—
Transceiver interval
tcsw1
—
Chip enable setup time
tcss1
—
Chip enable hold time
tcgh1
—
DC delay time
tdodly1
Only READ
Note) *4 : Typical Design Value
Product Standards
AN32055A
Limits
Unit Note
Min
Typ
Max
—
125
—
ns *4
—
60
—
ns *4
—
60
—
ns *4
—
62
—
ns *4
—
62
—
ns *4
—
62
—
ns *4
—
5
—
ns *4
—
5
—
ns *4
—
25
—
ns *4
Microcomputer interface Timing chart
tcgh1
CSB
CLK
DI
DO
tcss1
tscyc1
twhc1 twlc1
tss1 tsh1
tdodly1
tcsw1
Established : 2006-08-29
Revised : 2013-04-01
Page 18 of 96