XR16M2750IM48-F Datasheet, PDF (43/53 Pages) Exar Corporation – 1.62V TO 3.63V HIGH PERFORMANCE DUART WITH 64-BYTE FIFO

XR16M2750
REV. 1.0.0
1.62V TO 3.63V HIGH PERFORMANCE DUART WITH 64-BYTE FIFO
AC ELECTRICAL CHARACTERISTICS
UNLESS OTHERWISE NOTED: TA=-40^O TO +85^OC, VCC=1.62 - 3.63V, 70 PF LOAD WHERE APPLICABLE
SYMBOL
PARAMETER
T_WT
Delay From IOW# To Set
TXRDY#
LIMITS
1.8V ± 10%
MIN
MAX
45
LIMITS
2.5V ± 10%
MIN
MAX
45
LIMITS
3.3V ± 10%
MIN
MAX
45
UNIT
ns
T_SRT Delay From Center of Start To
8
8
8
Bclk
Reset TXRDY#
T_RST Reset Pulse Width
40
40
40
ns
Bclk Baud Clock
16X or 8X of data rate
Hz
FIGURE 13. CLOCK TIMING
T_ECLK
VIH
External
Clock
VIL
T_ECH
T_ECL
43