English
Language : 

SN54AHC174 Datasheet, PDF (4/7 Pages) Texas Instruments – HEX D-TYPE FLIP-FLOPS WITH CLEAR
SN54AHC174, SN74AHC174
HEX D-TYPE FLIP-FLOPS
WITH CLEAR
SCLS425E – JUNE 1998 – REVISED JANUARY 2000
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
TA = 25°C
SN54AHC174 SN74AHC174
MIN TYP MAX MIN MAX MIN MAX
2V
1.9
2
1.9
1.9
VOH
IOH = –50 mA
IOH = –4 mA
3V
2.9
3
2.9
2.9
4.5 V
4.4 4.5
4.4
4.4
3V
2.58
2.48
2.48
IOH = –8 mA
4.5 V
3.94
2V
3.8
3.8
0.1
0.1
0.1
VOL
IOL = 50 mA
IOL = 4 mA
3V
4.5 V
3V
0.1
0.1
0.1
0.1
0.1
0.1
0.36
0.5
0.44
IOL = 8 mA
II
VI = VCC or GND
4.5 V
0 V to 5.5 V
0.36
0.5
0.44
± 0.1
± 1*
±1
ICC
VI = VCC or GND,
IO = 0
5.5 V
4
40
40
Ci
VI = VCC or GND
5V
1.7
10
10
* On products compliant to MIL-PRF-38535, this parameter is not production tested at VCC = 0 V.
UNIT
V
V
mA
mA
pF
timing requirements over recommended operating free-air temperature range, VCC = 3.3 V ± 0.3 V
(unless otherwise noted)
tw Pulse duration
tsu Setup time before CLK↑
th
Hold time, data after CLK↑
CLR low
CLK high or low
Data
CLR inactive
TA = 25°C SN54AHC174 SN74AHC174
MIN MAX MIN MAX MIN MAX
5
5
5
5
5
5
5
6
6
3
3
3
0
0
0
UNIT
ns
ns
ns
timing requirements over recommended operating free-air temperature range, VCC = 5 V ± 0.5 V
(unless otherwise noted)
tw Pulse duration
tsu Setup time before CLK↑
th
Hold time, data after CLK↑
CLR low
CLK high or low
Data
CLR inactive
TA = 25°C SN54AHC174 SN74AHC174
MIN MAX MIN MAX MIN MAX
5
5
5
5
5
5
4.5
4.5
4.5
2.5
2.5
2.5
0.5
0.5
0.5
UNIT
ns
ns
ns
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.
4
• POST OFFICE BOX 655303 DALLAS, TEXAS 75265