xr20v2170 Exar Corporation, xr20v2170 Datasheet - Page 40

• Manufacturer Part Number: xr20v2170
• Description: I2c/spi Uart With 64-byte Fifo And Rs232 Transceiver
• Manufacturer: Exar Corporation

XR20V2170
I2C/SPI UART WITH 64-BYTE FIFO AND RS232 TRANSCEIVER
AC ELECTRICAL CHARACTERISTICS - UART CLOCK
Unless otherwise noted: TA=-40
F
IGURE
S
XTAL1
ECLK
T
YMBOL
ECLK
External
Clock
15. C
UART Crystal Oscillator
UART External Clock
External Clock Time Period
LOCK
VIHCK
VILCK
T
IMING
o
to +85
o
C, Vcc=2.97 - 3.63V
P
T
ARAMETER
ECH
40
T
ECLK
T
ECL
M
3.3V ± 10%
IN
7
L
IMITS
M
24
64
AX
REV. 1.0.0
MHz
MHz
U
ns
NIT