
SN75976A, SN55976A
9-CHANNEL DIFFERENTIAL TRANSCEIVER
SLLS218B – MAY 1995 – REVISED MAY 1997
10
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
receiver switching characteristics over recommended operating conditions (unless otherwise
noted)
PARAMETER
TEST CONDITIONS
SN75976A
MIN
TYP
7.5
UNIT
MAX
16.5
’976A1
ns
td
tpd
Propagation delay time,PHL
(see Figures 3 and 4)
8.5
14.5
ns
PLH
’976A2
VCC = 5 V,
VCC = 5 V,
TC = 25
°
C
TC = 100
°
C
8.6
13.6
ns
9
14
ns
tk(li )
tsk(lim)
Skew limit, maximum tpd
(see Note 5)
’976A1
9
ns
d
’976A2
5
ns
tsk(p)
tt
ten
tdis
tPHZ
tPLZ
tPZH
tPZL
All typical values are at VCC = 5 V, TA = 25
°
C.
NOTE 5. This parameter is applicable at one VCC and operating temperature within the recommended operating conditions and to any two
devices.
Pulse skew, |tPHL – tPLH|
Transition time (tr or tf)
Enable time, control inputs to active output
0.6
4
ns
See Figure 4
2
ns
50
ns
Disable time, control inputs to high-impedance output
60
ns
Propagation delay time, high-level to high-impedance output
60
ns
Propagation delay time, low-level to high-impedance output
See Figures 7 and 8
50
ns
Propagation delay time, high-impedance to high-level output
50
ns
Propagation delay time, high-impedance to low-level output
50
ns
receiver switching characteristics over recommended operating conditions (unless otherwise
noted)
PARAMETER
TEST CONDITIONS
SN55976A
TYP
UNIT
MIN
MAX
td
tpd
Propagation delay time,PHL
(see Figures 3 and 4)
’976A1
VCC = 5 V,
VCC = 5 V,
TA = 25
°
C
TA = 25
°
C
19
ns
PLH
’976A2
16
ns
tk(li )
tsk(lim)
Skew limit, maximum tpd
(see Note 5)
’976A1
9
ns
d
’976A2
5
ns
tsk(p)
tt
ten
tdis
tPHZ
tPLZ
tPZH
tPZL
All typical values are at VCC = 5 V, TA = 25
°
C.
NOTE 5. This parameter is applicable at one VCC and operating temperature within the recommended operating conditions and to any two
devices.
Pulse skew, |tPHL – tPLH|
Transition time (tr or tf)
Enable time, control inputs to active output
0.6
4
ns
See Figure 4
2
ns
70
ns
Disable time, control inputs to high-impedance output
80
ns
Propagation delay time, high-level to high-impedance output
80
ns
Propagation delay time, low-level to high-impedance output
See Figures 7 and 8
70
ns
Propagation delay time, high-impedance to high-level output
70
ns
Propagation delay time, high-impedance to low-level output
70
ns