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74F651A Datasheet, PDF (9/14 Pages) NXP Semiconductors – Transceivers/registers
Philips Semiconductors
Transceivers/registers
Product specification
74F651A/74F652A
AC ELECTRICAL CHARACTERISTICS FOR 74F652A
SYMBOL
PARAMETER
fmax
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
Maximum clock frequency
Propagation delay
CPAB or CPBA to An or Bn
Propagation delay
An or Bn to Bn or An
Propagation delay
SAB or SBA to An or Bn
Output enable time1
OEAB or OEBA to An or Bn
Output disable time
OEAB or OEBA to An or Bn
TEST
CONDITION
Waveform 1
Waveform 1
Waveform 1
Waveform 2, 3
Waveform 7, 8
Waveform 7, 8
Tamb = +25°C
VCC = +5.0V
CL = 50pF,
RL = 500Ω
MIN TYP MAX
155 175
5.0 7.5 10.0
5.0 7.0 10.0
4.0 6.0 9.0
3.0 5.0 8.0
4.5 7.0 10.0
4.0 8.0 10.0
3.0 5.0 8.0
3.5 6.0 8.5
1.5 4.0 7.0
2.5 6.0 8.5
LIMITS
Tamb = 0°C to +70°C
VCC = +5.0V ± 10%
CL = 50pF,
RL = 500Ω
MIN
MAX
140
4.5
11.5
4.5
10.5
3.5
10.0
2.5
8.5
4.0
11.0
4.0
11.5
2.5
8.5
3.0
9.0
1.0
7.5
2.0
9.0
Tamb = –40°C to +85°C
VCC = +5.0V ± 10%
CL = 50pF,
RL = 500Ω
MIN
MAX
140
4.5
11.5
4.5
10.5
3.5
10.0
2.5
8.5
4.0
11.0
4.0
11.5
2.5
8.5
3.0
9.0
1.0
7.5
2.0
9.0
UNIT
ns
ns
ns
ns
ns
ns
AC SETUP REQUIREMENTS FOR 74F652A
LIMITS
SYMBOL
PARAMETER
TEST
CONDITION
Tamb = +25°C
VCC = +5.0V
CL = 50pF,
RL = 500Ω
MIN TYP MAX
Tamb = 0°C to +70°C
VCC = +5.0V ± 10%
CL = 50pF,
RL = 500Ω
MIN
MAX
Tamb = –40°C to +85°C
VCC = +5.0V ± 10%
CL = 50pF,
RL = 500Ω
MIN
MAX
UNIT
tsu (H)
tsu (L)
Setup time, high or low
An or Bn to CPAB or CPBA
Waveform 4
3.5
4.0
4.0
4.5
4.0
4.5
ns
th (H)
th (L)
Hold time, high or low
An or Bn to CPAB or CPBA
Waveform 4
0
0
0
0
tsu (H)
tsu (L)
Setup time, high or low
OEBA to OEAB or OEAB to OEBA
Waveform 5, 6
5.0
5.0
5.0
5.0
0
0
ns
5.0
5.0
ns
th (H)
th (L)
Hold time, high or low
OEBA to OEAB or OEAB to OEBA
Waveform 5, 6
0
0
0
0
0
0
ns
tw (H)
tw (L)
Pulse width, high or low
CPAB or CPBA
Waveform 1
4.0
3.5
4.5
4.0
4.5
4.0
ns
Note to AC setup requirements for 74F652A
1. Setup time is to protect against surge current caused by enabling 16 outputs (48mA per output) simultaneously.
1999 Jun 23
9