SP207H Datasheet, PDF (8/14 Pages) Sipex Corporation – +5V High-Speed RS-232 Transceivers

POWER UP WITH SD ACTIVE (Charge pump in shutdown mode)
t_{0 (POWERUP)}
+5V
R_OUT
0V
ENABLE
SD
DISABLE
t_WAIT
DATA VALID
POWER UP WITH SD DISABLED (Charge pump in active mode)
t_{0 (POWERUP)}
+5V
R_OUT
0V
ENABLE
SD
DATA VALID
t_ENABLE
DISABLE
EXERCISING WAKE–UP FEATURE
t_{0 (POWERUP)}
+5V
R_OUT
0V
DATA VALID
DATA VALID
t_ENABLE
t_ENABLE
DATA VALID
t_ENABLE
SD
DISABLE
ENABLE
t_WAIT
V_CC = +5V ±10%; T_A = 25°C
t_WAIT = 2ms typical, 3ms maximum
t_ENABLE = 1ms typical, 2ms maximum
DISABLE
Figure 6. Wake–Up Timing
TGoddard/SP207H/9614R0
SP207H/SP211H High–Speed Transceivers
8
© Copyright 2000 Sipex Corporation