74f646a NXP Semiconductors, 74f646a Datasheet - Page 9

• Manufacturer Part Number: 74f646a
• Description: Octal Transceiver/register, Non-inverting/inverting 3-state
• Manufacturer: NXP Semiconductors

Philips Semiconductors
AC ELECTRICAL CHARACTERISTICS FOR 74F648A
AC SET-UP REQUIREMENTS FOR 74F648A
2003 Feb 04
SYMBOL
f
t
t
t
t
t
t
t
t
t
t
t
t
t
t
SYMBOL
t
t
t
t
t
t
max
PLH
PHL
PLH
PHL
PLH
PHL
PZH
PZL
PZH
PZL
PHZ
PLZ
PHZ
PLZ
su
su
h
h
w
w
Transceivers/registers
(H
(
(H)
(L)
L
(H)
(L)
)
)
Maximum clock frequency
Propagation delay
CPAB or CPBA to An or Bn
Propagation delay
An to Bn or Bn to An
Propagation delay
SAB or SBA to An or Bn
Output enable time
OE to An or Bn
Output enable time
DIR to An or Bn
Output disable time
OE to An or Bn
Output disable time
DIR to An or Bn
Set-up time, HIGH or LOW
An or Bn to CPAB or CPBA
Hold time, HIGH or LOW
An or Bn to CPAB or CPBA
Pulse width, HIGH or LOW
CPAB or CPBA
PARAMETER
PARAMETER
TEST CONDITION
TEST CONDITION
Waveform 2, 3
Waveform 3
Waveform 1
Waveform 1
Waveform 5
Waveform 6
Waveform 5
Waveform 6
Waveform 5
Waveform 6
Waveform 5
Waveform 6
Waveform 4
Waveform 4
Waveform 1
9
C
C
MIN
MIN
160
5.0
5.5
2.5
4.0
4.0
4.5
3.5
4.5
3.5
4.0
2.5
4.0
2.5
2.5
4.0
4.0
3.5
3.5
L
L
0
0
= 50 pF, R
= 50 pF, R
T
T
V
V
amb
amb
CC
CC
TYP
TYP
= +5.0 V
185
= +5.0 V
7.0
7.5
4.5
6.0
7.0
7.0
6.5
6.5
5.5
6.5
4.0
6.5
5.0
5.0
= +25 C
= +25 C
L
L
= 500
= 500
MAX
MAX
10.0
10.0
10.0
9.5
7.5
8.5
9.5
9.5
8.5
9.5
6.5
9.0
8.5
8.0
LIMITS
LIMITS
74F646A/74F648A
C
C
T
T
V
V
L
L
amb
amb
CC
MIN
CC
MIN
135
= 50 pF, R
= 50 pF, R
4.5
4.5
2.0
4.0
3.5
4.5
3.5
4.0
3.0
4.0
2.0
3.5
2.0
3.5
4.5
4.5
4.0
3.5
0
0
= +5.0 V
= 0 C to +70 C
= +5.0 V
= 0 C to +70 C
L
L
= 500
= 500
MAX
MAX
10.5
10.5
11.5
10.0
11.0
11.5
10.0
10.0
8.5
9.5
9.0
8.0
9.0
9.0
10%
10%
Product data
UNIT
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns