HI-1575 HOLTIC [Holt Integrated Circuits], HI-1575 Datasheet - Page 9

• Manufacturer Part Number: HI-1575
• Description: 3.3V Dual Transceivers with Integrated Encoder / Decoders
• Manufacturer: HOLTIC [Holt Integrated Circuits]

AC ELECTRICAL CHARACTERISTICS
VDD = 3.3 V, GND = 0V, T =Operating Temperature Range (unless otherwise specified)
TRANSMITTER
RiseTtime
Fall Time
RECEIVER (See figures 8 and 9)
Sync Transition Span
Short Data Transition Span
Long Data Transition Span
Delay Mid-Parity to Flag Set
Flag Setup Time to Read
Flag Reset Delay
DATA BUS TIMING - WRITE
Strobe
REG Write Setup Time
REG Write Hold Time
Databus / SYNC Write Setup Time
Databus / SYNC Write Hold Time
CHA/
CHA/
R/
R/
DATA BUS TIMING - READ (See figure 11)
Strobe
REG Read Setup Time
REG Read Hold Time
Data Read to Databus Valid
Data Read to Databus Tri-state
CHA/
CHA/
R/
R/
W
W
W
W
Write Setup Time
Write Hold Time
Read Setup Time
Read Hold Time
CHB
CHB
CHB
CHB
PARAMETER
STRB
STRB
Write Setup Time
Write Hold Time
Read Setup Time
Read Hold Time
Point “A “
Pulse Width
Pulse Width
(Measured at Point “A ” in Figure 12)
D
A
(See figure 10)
HI-1575 TRANSMITTER
35 W
D
SYMBOL
FIGURE 12. DIRECT COUPLED TEST CIRCUITS
t
t
t
t
t
t
t
t
RWWH
t
t
CHWH
RWWS
RWRH
t
t
CHWS
t
CHRH
RWRS
t
t
t
t
t
CHRS
RWS
RWH
DWS
DWH
t
t
t
t
t
t
RRS
RRH
DRV
DRT
STR
STR
tr
R1
R2
R3
FH
FR
RF
tf
HOLT INTEGRATED CIRCUITS
BUSA/B
BUSA/B
55 W
55 W
TEST CONDITIONS
Transformer
35 ohm load
35 ohm load
Isolation
HI-1575
2.5:1
Transformer
9
Isolation
1:2.5
55 W
55 W
HI-1575 RECEIVER
MIN
100
100
50
50
10
50
10
50
10
50
10
50
50
10
50
10
50
10
0
0
35 W
1500
1000
TYP
500
Point “A “
MAX
2500
300
300
60
60
60
D
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns