参数资料
型号: SNJ54AHC174FK
厂商: TEXAS INSTRUMENTS INC
元件分类: 锁存器
英文描述: AHC/VHC/H/U/V SERIES, POSITIVE EDGE TRIGGERED D FLIP-FLOP, TRUE OUTPUT, CQCC20
封装: CERAMIC, LCC-20
文件页数: 12/17页
文件大小: 595K
代理商: SNJ54AHC174FK
SN54AHC174, SN74AHC174
HEX D-TYPE FLIP-FLOPS
WITH CLEAR
SCLS425F – JUNE 1998 – REVISED FEBRUARY 2002
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
timing requirements over recommended operating free-air temperature range, VCC = 3.3 V ± 0.3 V
(unless otherwise noted)
TA = 25°C
SN54AHC174
SN74AHC174
UNIT
MIN
MAX
MIN
MAX
MIN
MAX
UNIT
t
Pulse duration
CLR low
5
ns
tw
Pulse duration
CLK high or low
5
ns
t
Setup time before CLK
Data
5
6
ns
tsu
Setup time before CLK
CLR inactive
3
ns
th
Hold time, data after CLK
0
ns
timing requirements over recommended operating free-air temperature range, VCC = 5 V ± 0.5 V
(unless otherwise noted)
TA = 25°C
SN54AHC174
SN74AHC174
UNIT
MIN
MAX
MIN
MAX
MIN
MAX
UNIT
t
Pulse duration
CLR low
5
ns
tw
Pulse duration
CLK high or low
5
ns
t
Setup time before CLK
Data
4.5
ns
tsu
Setup time before CLK
CLR inactive
2.5
ns
th
Hold time, data after CLK
0.5
ns
switching characteristics over recommended operating free-air temperature range,
VCC = 3.3 V ± 0.3 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
LOAD
TA = 25°C
SN54AHC174
SN74AHC174
UNIT
PARAMETER
(INPUT)
(OUTPUT)
CAPACITANCE
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
f
CL = 15 pF
95*
170*
80*
80
MHz
fmax
CL = 50 pF
55
130
50
MHz
tPHL
CLR
Any Q
CL = 15 pF
4.5*
11.4*
1*
13.5*
1
13.5
ns
tPLH
CLK
Any Q
CL =15 pF
5.8*
11*
1*
13*
1
13
ns
tPHL
CLK
Any Q
CL = 15 pF
5.8*
11*
1*
13*
1
13
ns
tPHL
CLR
Any Q
CL = 50 pF
6
14.9
1
17
1
17
ns
tPLH
CLK
Any Q
CL =50 pF
7.5
14.5
1
16.5
1
16.5
ns
tPHL
CLK
Any Q
CL = 50 pF
7.5
14.5
1
16.5
1
16.5
ns
tsk(o)
CL = 50 pF
1.5**
1.5
ns
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
** On products compliant to MIL-PRF-38535, this parameter does not apply.
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.
相关PDF资料
PDF描述
SNJ54AHC174J AHC/VHC/H/U/V SERIES, POSITIVE EDGE TRIGGERED D FLIP-FLOP, TRUE OUTPUT, CDIP16
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