XR16M2752 Datasheet, PDF (42/52 Pages) Exar Corporation – HIGH PERFORMANCE DUART WITH 64-BYTE FIFO

XR16M2752
HIGH PERFORMANCE DUART WITH 64-BYTE FIFO
AC ELECTRICAL CHARACTERISTICS
REV. P1.0.0
UNLESS OTHERWISE NOTED: TA=-40^O TO +85^OC, VCC=1.62 - 3.63V, 70 PF LOAD WHERE APPLICABLE
SYMBOL
PARAMETER
T_WT
T_SRT
T_RST
Bclk
Delay From IOW# To Set TXRDY#
Delay From Center of Start To
Reset TXRDY#
Reset Pulse Width
Baud Clock
LIMITS
1.8V ± 10%
MIN
MAX
45
8
LIMITS
2.5V ± 10%
MIN
MAX
45
8
LIMITS
3.3V ± 10%
MIN
MAX
45
8
40
40
40
16X or 8X of data rate
UNIT
ns
Bclk
ns
Hz
FIGURE 13. CLOCK TIMING
T_ECLK
VIH
External
Clock
VIL
T_ECH
T_ECL
42