IDT54/74FCT833A/B
FAST CMOS PARITY BUS TRANSCEIVER
MILITARY AND COMMERCIAL TEMPERATURE RANGES
SWITCHING CHARACTERISTICS OVER OPERATING RANGE
IDT54/74FCT833A
Symbol Parameter
Com’l.
Mil.
Conditions(1) Min.(2) Max. Min.(2) Max.
tPLH
tPHL
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
tSU
tH
tREM
tW
tW
Propagation Delay CL = 50pF
— 10.0 —
RI to TI, TI to RI
CL = 300pF(3) —
17.5
—
14.0
21.5
Propagation Delay CL = 50pF
— 15.0 —
20.0
RI to PARITY
CL = 300pF(3) —
22.5
—
27.5
Output Enable Time CL = 50pF
— 12.0 —
16.0
OER, OET to RI, TI CL = 300pF(3) —
19.5
—
23.5
Output Disable Time CL = 5pF(3)
— 10.7 —
14.7
OER, OET to RI, TI CL = 50pF
— 12.0 —
16.0
TI, PARITY to CLK CL = 50pF
Set-up Time
12.0 — 16.0
—
TI, PARITY to CLK
Hold Time
0
—
0
—
Clear Recovery Time
CLR to CLK
15.0 — 20.0
—
Clock Pulse Width
HIGH or LOW
7.0
—
9.5
—
Clear Pulse Width
LOW
7.0
—
9.5
—
tPHL
Propagation Delay
CLK to ERR
— 12.0 —
tPLH
Propagation Delay
CLR to ERR
— 16.0 —
tPLH
Propagation Delay CL = 50pF
— 15.0 —
tPHL
OER to PARITY
CL = 300pF(3) —
22.5
—
NOTES:
1. See test circuit and waveforms.
2. Minimum limits are guaranteed but not tested on Propagation Delays.
3. These parameters are guaranteed but not tested.
16.0
20.0
20.0
27.5
IDT54/74FCT833B
Com’l.
Mil.
Min.(2) Max. Min.(2) Max.
Unit
—
7.0
—
— 14.5 —
10.0 ns
17.5
— 10.5 —
— 18.0 —
—
8.5
—
— 16.0 —
—
7.2
—
—
8.5
—
14.0 ns
21.5
11.0 ns
18.5
9.8 ns
11.0
8.5
— 11.0
— ns
0
—
0
— ns
10.5 — 14.0
— ns
5.5
—
7.0
— ns
5.5
—
7.0
— ns
—
8.5
—
11.0 ns
— 15.0 —
18.0 ns
— 10.5 —
— 18.0 —
14.0 ns
21.5
2557 tbl 08
7.21
6