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參數(shù)資料
| 型號： | MC74F544N |
| 廠商： | MOTOROLA INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | 220nA Supervisor with 10ms/200ms selectable delay time 5-SOT-23 -40 to 85 |
| 中文描述： | F/FAST SERIES, 8-BIT REGISTERED TRANSCEIVER, INVERTED OUTPUT, PDIP24 |
| 封裝： | 724-03 |
| 文件頁數(shù)： | 3/4頁 |
| 文件大小： | 82K |
| 代理商： | MC74F544N |
4-218
FAST AND LS TTL DATA
MC74F544
AC ELECTRICAL CHARACTERISTICS
Symbol
Parameter
74F
74F
Unit
TA= +25
°
C
VCC= +5.0 V
CL= 50 pF
TA = 0
°
C to +70
°
C
VCC = +5.0 V
±
10%
CL = 50 pF
Min
Typ
Max
Min
Max
tPLH
tPHL
Propagation Delay
Transparent Mode
An to Bn or Bn to An
2.0
2.0
—
—
9.5
6.5
2.0
2.0
10.5
7.5
ns
tPLH
tPHL
Propagation Delay
LEBA to An
6.0
4.0
—
—
13
9.5
6.0
4.0
14.5
10.5
ns
tPLH
tPHL
Propagation Delay
LEAB to Bn
6.0
4.0
—
—
13
9.5
6.0
4.0
14.5
10.5
ns
tPZH
tPZL
Output Enable Time
OEBA or OEAB to An or Bn
EBA or EAB to An or Bn
3.0
4.0
—
—
9.0
10.5
3.0
4.0
10
12
ns
tPHZ
tPLZ
Output Disable Time
OEBA or OEAB to An or Bn
EBA or EAB to An or Bn
1.5
1.5
—
—
8.0
7.5
1.5
1.5
9.0
8.5
ns
AC OPERATING REQUIREMENTS
Symbol
Parameter
74F
74F
Unit
TA= +25
°
C
VCC= +5.0 V
CL= 50 pF
TA = 0
°
C to +70
°
C
VCC = +5.0 V
±
10%
CL = 50 pF
Min
Typ
Max
Min
Typ
Max
ts(H)
ts(L)
Setup Time, HIGH or LOW
An or Bn to LEBA or LEAB
3.0
3.0
—
—
—
—
3.0
3.0
—
—
—
—
ns
th(H)
th(L)
Hold Time, HIGH or LOW
An to Bn to LEBA or LEAB
3.0
3.0
—
—
—
—
3.0
3.0
—
—
—
—
ns
tw(L)
Latch Enable, B to A
Pulse Width, LOW
6.0
—
—
7.5
—
—
ns
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