TC74VHC161F Toshiba, TC74VHC161F Datasheet - Page 9

• Manufacturer Part Number: TC74VHC161F
• Manufacturer: Toshiba
• Type: Binaryr

Specifications of TC74VHC161F

• Technology: CMOS
• Number Of Elements: 1
• Number Of Bits: 4
• Logic Family: VHC
• Logical Function: Counter
• Operating Supply Voltage (typ): 2.5/3.3/5V
• Package Type: SOP
• Propagation Delay Time: 23.5ns
• Operating Temp Range: -40C to 85C
• Operating Supply Voltage (min): 2V
• Operating Supply Voltage (max): 5.5V
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 16
• Lead Free Status / Rohs Status: Not Compliant

Switching Characteristics Test Waveform
CK
Q,
CARRY
CK
Q,
CARRY
Q
LOAD
A to D
ENP
ENT
CK
Figure 3 Count Enable Mode
Figure 2 Preset Mode
Figure 1 Count Mode
50 ％
t
50 ％
50 ％
t
t
s
pLH
s
t
s
t
wH
50 ％
50 ％
t
t
t
h
h
h
50 ％
t
50 ％
pLH
50 ％
t
wL
, t
pHL
50 ％
t
s
50 ％
t
pHL
50 ％
t
h
50 ％
t
s
50 ％
50 ％
t
h
V
GND
V
VO
V
GND
V
G
V
V
CC
OH
CC
CC
OH
OL
ND
L
9
V
GND
V
GND
V
V
CC
CC
OH
OL
Figure 4 Clear Mode (TC74VHC161)
Figure 5 Clear Mode (TC74VHC163)
CK
Q,
CARRY
CK
Q,
CARRY
CLR
CLR
Figure 6 Cascade Mode
ENT
CARRY
TC74VHC161,163F/FN/FT/FK
50 ％
t
pHL
t
50 ％
wL
t
(fix maximum count)
s
50 ％
50 ％
50 ％
t
t
h
pLH
50 ％
50 ％
t
50 ％
rem
50 ％
t
pHL
2007-10-01
50 ％
V
GND
V
GND
V
V
V
GND
V
GND
V
V
V
GND
V
V
CC
CC
OH
OL
CC
CC
OH
OL
CC
OH
OL