XR16M752 Datasheet, PDF (40/51 Pages) Exar Corporation – HIGH PERFORMANCE DUART WITH 64-BYTE FIFO

XR16M752/XR68M752
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
REV. 1.0.2
SYMBOL
T_DH
T_ADS
T_ADH
T_RWS
T_RDA
T_RDH
T_WDS
T_WDH
T_RWH
T_CSL
T_CSD
T_WDO
T_MOD
T_RSI
T_SSI
T_RRI
T_SI
T_INT
T_WRI
T_SSR
T_RR
T_WT
T_SRT
T_RST
Bclk
PARAMETER
Data Hold Time (16 mode)
Address Setup (68 Mode)
Address Hold (68 Mode)
R/W# Setup to CS# (68 Mode)
Read Data Access (68 mode)
Read Data Disable (68 mode)
Write Data Setup (68 mode)
Write Data Hold (68 Mode)
CS# De-asserted to R/W# De-asserted (68
Mode)
CS# Width (68 Mode)
CS# Cycle Delay (68 Mode)
Delay From IOW# To Output
Delay To Set Interrupt From MODEM Input
Delay To Reset Interrupt From IOR#
Delay From Stop To Set Interrupt
Delay From IOR# To Reset Interrupt
Delay From Stop To Interrupt
Delay From Initial INT Reset To Transmit Start
Delay From IOW# To Reset Interrupt
Delay From Stop To Set RXRDY#
Delay From IOR# To Reset RXRDY#
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
LIMITS
2.5V ± 10%
MIN
MAX
LIMITS
3.3V ± 10%
MIN
MAX
5
5
5
5
5
5
0
0
0
5
5
5
55
25
25
20
20
10
15
10
10
5
5
5
5
5
5
60
30
30
60
30
30
50
50
50
50
50
50
50
50
50
1
1
1
45
45
45
45
45
45
8
24
8
24
8
24
45
45
45
1
1
1
45
45
45
45
45
45
8
8
8
40
40
40
16X or 8X or 4X of data rate
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Bclk
ns
ns
Bclk
ns
Bclk
ns
ns
Bclk
ns
Hz
40