74F3893 Datasheet, PDF (6/10 Pages) NXP Semiconductors – Quad futurebus backplane transceiver

Philips Semiconductors
Quad Futurebus backplane transceiver
Product specification
74F3893
AC ELECTRICAL CHARACTERISTICS FOR DRIVER AND DRIVER ENABLE
SYMBOL
PARAMETER
TEST
CONDITION
LIMITS
T_amb = +25°C
V_CC = +5.0V
C_D = 50pF, R_T = 10Ω
T_amb = 0°C to +70°C
V_CC = +5.0V ± 10%
C_D= 50pF, R_T = 10Ω
MIN TYP MAX
MIN
MAX
t_PLH
Propagation delay
t_PHL
Dn to I/On
Waveform 1
1.0
2.0
5.0
1.5
3.0
5.5
1.0
1.5
5.5
6.0
t_PLH
Propagation delay
t_PHL
DE to I/On
Waveform 1
1.0
2.0
4.5
1.5
3.0
5.5
1.0
1.5
5.5
6.0
t_TLH
Dn to I/O transition time
t_THL
10% to 90%, 90% to 10%
Waveform 1
1.0
1.0
4.0
1.0
5.0
4.0
1.0
5.0
t_sk(o)
Skew between drivers in same package
1.0
UNIT
ns
ns
ns
ns
AC ELECTRICAL CHARACTERISTICS FOR RECEIVER
SYMBOL
PARAMETER
t_PLH
Propagation delay
t_PHL
I/On to Rn
TEST
CONDITION
Waveform 2
LIMITS
T_amb = +25°C
V_CC = +5.0V
C_L = 50pF, R_L = 1kΩ
T_amb = 0°C to +70°C
V_CC = +5.0V ± 10%
C_L = 50pF, R_L = 1kΩ
MIN TYP MAX
MIN
MAX
1.0
2.0
4.5
1.0
5.5
3.6
5.5
7.5
3.6
8.5
UNIT
ns
AC ELECTRICAL CHARACTERISTICS FOR RECEIVER ENABLE
SYMBOL
PARAMETER
TEST
CONDITION
A PORT LIMITS
T_amb = +25°C
V_CC = +5.0V
C_L = 50pF, R_L = 500Ω
T_amb = 0°C to +70°C
V_CC = +5.0V ± 10%
C_L = 50pF, R_L = 500Ω
MIN TYP MAX
MIN
MAX
t_PZH
t_PZL
Output enable time to high or low level,
RE to Rn
Waveform 3, 4
1.5
2.5
3.0
4.0
5.5
7.0
1.5
2.0
6.0
7.5
t_PHZ
t_PLZ
Output disable time from high or low level,
RE to Rn
Waveform 3, 4
1.5
1.5
3.0
3.0
5.5
5.5
1.0
1.0
6.5
6.0
UNIT
ns
ns
January 18, 1991
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