 English |
|
|
|
|
|
|
|
| 74FR16245 Datasheet, PDF (5/5 Pages) National Semiconductor (TI) – 16-Bit Transceiver with TRI-STATE Outputs | |||
| |||
| ◁ |
74FR16245
AC Electrical Characteristics
Symbol
Parameter
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
Propagation Delay
An to Bn or Bn to An
Output Enable Time
Output Disable Time
TA = +25°C
TA = 0°C to +70°C
VCC = +5.0V
CL = 50 pF
VCC = +5.0V
CL = 50 pF
Unit
Min
Typ
Max
Min
Max
1.3
2.7
4.3
1.3
4.3
ns
1.3
2.2
4.3
1.3
4.3
3.9
6.9
13.9
3.9
13.9
ns
3.9
9.7
13.9
3.9
13.9
1.8
3.9
6.3
1.8
6.3
ns
1.8
4.4
6.3
1.8
6.3
Extended AC Characteristics
TA = 0°C to +70°C
TA = 0°C to +70°C
VCC = +5.0V
VCC = +5.0V
Symbol
Parameter
CL = 50 pF
16 Outputs Switching
CL = 250 pF
Unit
(Note 4)
(Note 5)
Min
Max
Min
Max
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
tOSHL
(Note 3)
Propagation Delay
An to Bn or Bn to An
Output Enable Time
Output Disable Time
Pin-to-Pin Skew
for HL Transitions
1.3
5.8
3.2
8.2
ns
1.3
5.8
3.2
8.2
3.9
14.6
ns
3.9
14.6
1.8
6.3
ns
1.8
6.3
1.2
ns
tOSLH
(Note 3)
Pin-to-Pin Skew
for LH Transitions
2.2
ns
tOST
(Note 3)
Pin-to-Pin Skew
for HL/LH Transitions
2.5
ns
Note 3: Skew is defined as the absolute value of the difference between the actual propagation delays for any two outputs of the same device. The specifi-
cation applies to any outputs switching HIGH-to-LOW (tOSHL) LOW-to-HIGH (tOSLH), or HIGH-to-LOW and/or LOW-to-HIGH (tOST). Specifications guaran-
teed with all outputs switching in phase.
Note 4: This specification is guaranteed but not tested The limits apply to propagation delays for all paths described switching in phase,
i.e., all LOW-to-HIGH, HIGH-to-LOW, 3-STATE-to-HIGH, etc.
Note 5: These specifications guaranteed but not tested. The limits represent propagation delays with 250 pF load capacitors in place of the 50 pF load
capacitors in the standard AC load. This specification pertains to single output switching only.
www.fairchildsemi.com
4
Rochester Electronics guarantees performance of its semiconductor products to the original OEM specifications. âTypicalâ values are for reference purposes
only. Certain minimum or maximum ratings may be based on product characterization, design, simulation, or sample testing. Rochester Electronics reserves
the right to make changes without further notice to any specification herein.
Specification Number 74FR16245-CI(F) Rev A
Page 5 of 5
|
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese