參數(shù)資料
型號(hào): I74F652AD
廠商: NXP SEMICONDUCTORS
元件分類: 通用總線功能
英文描述: Transceivers/registers
中文描述: F/FAST SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO24
封裝: PLASTIC, SOT-137-1, SO-24
文件頁(yè)數(shù): 8/14頁(yè)
文件大小: 168K
代理商: I74F652AD
Philips Semiconductors
Product specification
74F651A/74F652A
Transceivers/registers
1999 Jun 23
8
AC ELECTRICAL CHARACTERISTICS FOR 74F651A
LIMITS
T
amb
= +25
°
C
V
CC
= +5.0V
C
L
= 50pF, R
L
= 500
MIN
TYP
T
amb
= 0
°
C to +70
°
C
V
CC
= +5.0V
±
10%
C
L
= 50pF, R
L
= 500
MIN
SYMBOL
PARAMETER
TEST CONDITION
UNIT
MAX
MAX
f
max
t
PLH
t
PHL
t
PLH
t
PHL
t
PLH
t
PHL
t
PZH
t
PZL
t
PHZ
t
PLZ
Maximum clock frequency
Waveform 1
155
175
140
ns
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 time
OEAB or OEBA to An or Bn
Output disable time
OEAB or OEBA to An or Bn
Waveform 1
4.5
5.5
2.5
4.0
4.0
5.0
3.0
3.5
1.5
2.5
7.0
7.5
4.5
6.5
7.0
7.0
5.0
6.0
4.0
6.0
10.0
10.5
7.5
9.0
10.0
10.0
8.0
8.5
7.0
8.5
4.0
5.0
2.0
4.0
3.5
4.5
2.5
3.0
1.0
2.0
11.0
11.0
8.5
10.0
12.0
10.0
8.5
9.0
7.5
9.0
ns
Waveform 2, 3
ns
Waveform 2, 3
ns
Waveform 7, 8
ns
Waveform 7, 8
ns
AC SETUP REQUIREMENTS FOR 74F651A
LIMITS
T
amb
= +25
°
C
V
CC
= +5.0V
C
L
= 50pF, R
L
= 500
MIN
TYP
T
amb
= 0
°
C to +70
°
C
V
CC
= +5.0V
±
10%
C
L
= 50pF, R
L
= 500
MIN
SYMBOL
PARAMETER
TEST CONDITION
UNIT
MAX
MAX
t
su
(H)
t
su
(L)
t
h
(H
)
t
h
(
L
)
t
su
(H)
t
su
(L)
t
h
(H
)
t
h
(
L
)
t
w
(H)
t
w
(L)
Note to AC setup requirements for 74F651A:
1. Setup time is to protect against surge current caused by enabling 16 outputs (48mA per output) simultaneously.
Setup time, high or low
An or Bn to CPAB or CPBA
Waveform 4
3.5
4.0
4.0
4.5
ns
Hold time, high or low
An or Bn to CPAB or CPBA
Waveform 4
0
0
0
0
ns
Setup time, high or low
OEBA to OEAB or OEAB to OEBA
Waveform 5, 6
5.0
5.0
5.0
5.0
ns
Hold time, high or low
OEBA to OEAB or OEAB to OEBA
Waveform 5, 6
0
0
0
0
ns
Pulse width, high or low
CPAB or CPBA
Waveform 1
4.5
3.5
4.5
4.0
ns
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