ST16C654 EXAR [Exar Corporation], ST16C654 Datasheet - Page 39

• Manufacturer Part Number: ST16C654
• Description: 2.97V TO 5.5V QUAD UART WITH 64-BYTE FIFO
• Manufacturer: EXAR [Exar Corporation]

ST16C654/654D
2.97V TO 5.5V QUAD UART WITH 64-BYTE FIFO
REV. 5.0.0
AC ELECTRICAL CHARACTERISTICS
TA=0
F
S
IGURE
YMBOL
T
T
T
T
T
T
Bclk
T
T
T
WRI
SSR
SRT
RST
RRI
INT
N
RR
WT
SI
( ; 7 ( 5 1 $ /
O
& / 2 & .
TO
14. C
70
Delay From IOR# To Reset Interrupt
Delay From Start 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 Rate Divisor
Baud Clock
O
LOCK
C (-40
T
IMING
O
TO
+85
P
ARAMETER
O
C
& / .
FOR INDUSTRIAL GRADE PACKAGE
2 6 &
& / .
39
M
40
IN
8
1
L
IMITS
3.3
16X of data rate
2
200
100
175
175
175
M
16
24
1
8
AX
-1
), V
CC IS
M
IN
40
8
1
L
IMITS
5.0
2.97
2
200
100
175
175
175
16
24
M
1
8
TO
-1
AX
5.5V
U
Bclk
Bclk
Bclk
Hz
ns
ns
ns
ns
ns
ns
NIT
-




100 pF load
C
ONDITIONS