SMSC TMC2005-JT - Manual (Page 28)

ARCNET 5 Port HUB Controller
Datasheet
Revision 1.1 (07-24-07) Page 28 SMSC TMC2005-JT
DATASHEET
DC CHARACTERISTIC - OUTPUT PIN
SYMBOL ITEM CONDITION MIN MAX UNIT PIN
VOH High Level Output Voltage IOH=-4mA 2.4 V 1,9,46,51,
55,61
VOH High Level Output Voltage IOH=-8mA 2.4 V 11,45,47
VOL Low Level Output Voltage IOL=4mA 0.4 V 1,9,46,51,
55,61
VOL Low Level Output Voltage IOL=8mA 0.4 V 11,45,47
AC CHARACTERISTIC - CLOCK and RESET
ITEM SYMBOL MIN TYP MAX UNIT CONDITION
Generating Static Time tx 4 mS
Clock Cycle tCYC 50 nS Note 1
Clock Frequency Deflection tCDF -100 100 ppm Note 1
Clock Pulse Width tCW 20 nS Note 1
Reset Pulse Width ttRSW 200 nS Note 1
Note 1: Use only F=20MHz
Note 2: VDD=4.5V
FIGURE 17 - CLOCK AND RESET
XTLI
t
CW
t
CYC
t
CW
nRST
t
RSW