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XR16V598 Datasheet, PDF (49/58 Pages) Exar Corporation – 2.25V TO 3.6V HIGH PERFORMANCE OCTAL UART WITH 16-BYTE FIFO
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REV. 1.0.3
XR16V598
2.25V TO 3.6V HIGH PERFORMANCE OCTAL UART WITH 16-BYTE FIFO
AC ELECTRICAL CHARACTERISTICS
TA=0o to 70oC (-40o to +85oC for industrial grade package), Vcc is 2.25V to 3.6V, 70 pF Load where applicable
SYMBOL
PARAMETER
TC1,TC2 Clock Pulse Period
TOSC Crystal Frequency
TECK External Clock Frequency
TAS Address Setup (16 Mode)
TAH Address Hold (16 Mode)
TCS Chip Select Width (16 Mode)
TDY Delay between CS# Active Cycles (16 Mode)
TRD Read Strobe Width (16 Mode)
TWR Write Strobe Width (16 Mode)
TRDV Read Data Valid (16 Mode)
TWDS Write Data Setup (16 Mode)
TRDH Read Data Hold (16 Mode)
TWDH Write Data Hold (16 Mode)
TADS Address Setup (68 Mode)
TADH Address Hold (68 Mode)
TRWS R/W# Setup to CS# (68 Mode)
TRDA Read Data Access (68 mode)
TRDH Read Data Hold (68 mode)
TWDS Write Data Setup (68 mode)
TWDH Write Data Hold (68 Mode)
TRWH CS# De-asserted to R/W# De-asserted (68 Mode)
TCSL CS# Width (68 Mode)
TCSD CS# Cycle Delay (68 Mode)
TWDO Delay from IOW# to Modem Output
TMOD Delay to set Interrupt from Modem Input
TRSI Delay To Reset Interrupt From IOR#
TSSI Delay From Stop To Set Interrupt
TRRI Delay From IOR# To Reset Interrupt
2.5V
MIN
10
3
3
25
25
25
25
5
7
3
3
3
20
5
7
3
25
25
2.5V
MAX
24
40
20
10
10
50
50
50
1
45
3.3V
MIN
7
3
3
25
25
25
25
5
7
3
3
3
20
5
7
3
25
25
3.3V
MAX
24
60
20
10
10
50
50
50
1
45
UNITS
ns
MHz
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Bclk
ns
49
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