XR16M752 Datasheet, PDF (39/51 Pages) Exar Corporation – HIGH PERFORMANCE DUART WITH 64-BYTE FIFO

REV. 1.0.2
DC ELECTRICAL CHARACTERISTICS
TA= -40^o to +85^oC, Vcc is 1.62V to 3.63V
XR16M752/XR68M752
HIGH PERFORMANCE DUART WITH 64-BYTE FIFO
SYMBOL
PARAMETER
LIMITS
1.8V
MIN
MAX
LIMITS
2.5V
MIN
MAX
LIMITS
3.3V
MIN
MAX
UNITS
CONDITIONS
V_OH Output High Voltage
2.0
1.8
1.4
V I_OH = -1 mA
V _{IOH = -400 uA}
I_OH = -200 uA
I_IL Input Low Leakage Current
±10
±10
±10 uA
I_IH Input High Leakage Current
±10
±10
±10 uA
C_IN Input Pin Capacitance
5
5
5
pF
I_CC Power Supply Current
0.5
1
2
mA XTAL1 = 2 MHz
I_SLEEP Sleep Current (16 Mode)
3
10
15
uA See Test 1
I_SLEEP Sleep Current (68 Mode)
50
75
100 uA See Test 1
Test 1: The following inputs must remain steady at VCC or GND state to minimize Sleep current: A0-A2, D0-
D7, IOR#, IOW#, CSA# (CS# in 68 Mode), CSB# and all modem inputs. Also, RXA and RXB inputs must idle
HIGH while asleep. Floating inputs will result in sleep currents in the mA range.
AC ELECTRICAL CHARACTERISTICS
Unless otherwise noted: TA=-40^o to +85^oC, Vcc=1.62 - 3.63V, 70 pF load where applicable
SYMBOL
PARAMETER
XTAL1
ECLK
T_ECLK
T_AS
T_AH
T_CS
T_RD
T_DY
T_RDV
T_DD
T_WR
T_DY
T_DS
UART Crystal Oscillator
External Clock
External Clock Time Period
Address Setup Time (16 mode)
Address Hold Time (16 mode)
Chip Select Width (16 mode)
IOR# Strobe Width (16 mode)
Read Cycle Delay (16 mode)
Data Access Time (16 mode)
Data Disable Time (16 mode)
IOW# Strobe Width (16 mode)
Write Cycle Delay (16 mode)
Data Setup Time (16 mode)
LIMITS
1.8V ± 10%
MIN
MAX
LIMITS
2.5V ± 10%
MIN
MAX
LIMITS
3.3V ± 10%
MIN
MAX
24
24
24
32
50
64
15
10
7
UNIT
MHz
MHz
ns
5
5
5
ns
0
0
0
ns
60
30
30
ns
60
30
30
ns
60
30
30
ns
55
25
25
ns
0
20
0
20
0
10
ns
60
30
30
ns
60
30
30
ns
15
10
10
ns
39