Part | RoHS | Manufacturer | Logic IC Type | Temperature Grade | Terminal Form | No. of Terminals | Package Code | Package Shape | Total Dose (V) | Package Body Material | Schmitt Trigger | Surface Mount | No. of Functions | Technology | Screening Level | No. of Inputs | No. of Bits | Translation | Packing Method | Nominal Supply Voltage / Vsup (V) | Power Supplies (V) | Load Capacitance (CL) | Package Style (Meter) | Package Equivalence Code | Propagation Delay (tpd) | Maximum I (ol) | Sub-Category | Terminal Pitch | Maximum Operating Temperature | Output Characteristics | Minimum Operating Temperature | Terminal Finish | Terminal Position | Control Type | Minimum fmax | JESD-30 Code | Moisture Sensitivity Level (MSL) | Maximum Supply Voltage (Vsup) | Maximum Seated Height | Width | Qualification | Output Polarity | Minimum Supply Voltage (Vsup) | Maximum Power Supply Current (ICC) | Additional Features | JESD-609 Code | Maximum Time At Peak Reflow Temperature (s) | Peak Reflow Temperature (C) | Length | Family |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Onsemi |
NOR GATE |
NO LEAD |
14 |
DIE |
RECTANGULAR |
UNSPECIFIED |
YES |
4 |
CMOS |
2 |
5 |
UNCASED CHIP |
90 ns |
UPPER |
R-XUUC-N14 |
6 V |
Not Qualified |
2 V |
HC/UH |
|||||||||||||||||||||||||||||||
Onsemi |
OR GATE |
NO LEAD |
14 |
DIE |
UNSPECIFIED |
UNSPECIFIED |
YES |
4 |
CMOS |
2 |
5 |
UNCASED CHIP |
100 ns |
UPPER |
X-XUUC-N14 |
6 V |
Not Qualified |
2 V |
HC/UH |
|||||||||||||||||||||||||||||||
Onsemi |
AND GATE |
NO LEAD |
14 |
DIE |
RECTANGULAR |
UNSPECIFIED |
YES |
4 |
CMOS |
2 |
5 |
UNCASED CHIP |
8.5 ns |
UPPER |
R-XUUC-N14 |
6 V |
Not Qualified |
2 V |
AC |
|||||||||||||||||||||||||||||||
Onsemi |
NAND GATE |
NO LEAD |
14 |
DIE |
UNSPECIFIED |
UNSPECIFIED |
YES |
4 |
CMOS |
2 |
5 |
UNCASED CHIP |
8 ns |
UPPER |
X-XUUC-N14 |
6 V |
Not Qualified |
2 V |
AC |
|||||||||||||||||||||||||||||||
Onsemi |
INVERTER |
NO LEAD |
14 |
DIE |
RECTANGULAR |
UNSPECIFIED |
YES |
6 |
CMOS |
1 |
5 |
UNCASED CHIP |
7.7 ns |
UPPER |
R-XUUC-N14 |
5.5 V |
Not Qualified |
4.5 V |
AHCT/VHCT |
|||||||||||||||||||||||||||||||
Onsemi |
NAND GATE |
NO LEAD |
14 |
DIE |
UNSPECIFIED |
UNSPECIFIED |
YES |
4 |
CMOS |
2 |
5 |
UNCASED CHIP |
90 ns |
UPPER |
X-XUUC-N14 |
6 V |
Not Qualified |
2 V |
HC/UH |
|||||||||||||||||||||||||||||||
Onsemi |
INVERTER |
NO LEAD |
14 |
DIE |
UNSPECIFIED |
UNSPECIFIED |
YES |
6 |
CMOS |
1 |
5 |
UNCASED CHIP |
11.5 ns |
UPPER |
X-XUUC-N14 |
6 V |
Not Qualified |
2 V |
AC |
|||||||||||||||||||||||||||||||
STMicroelectronics |
INVERTER |
MILITARY |
NO LEAD |
14 |
DIE |
RECTANGULAR |
300k Rad(Si) |
UNSPECIFIED |
YES |
6 |
CMOS |
MIL-PRF-38535 Class V |
1 |
3 |
UNCASED CHIP |
16 ns |
125 Cel |
-55 Cel |
UPPER |
R-XUUC-N14 |
6 V |
Qualified |
2 V |
AC |
||||||||||||||||||||||||||
STMicroelectronics |
NAND GATE |
MILITARY |
NO LEAD |
14 |
DIE |
RECTANGULAR |
UNSPECIFIED |
YES |
4 |
CMOS |
MIL-PRF-38535 Class V |
2 |
3 |
UNCASED CHIP |
11 ns |
125 Cel |
-55 Cel |
UPPER |
R-XUUC-N14 |
6 V |
Qualified |
2 V |
AC |
|||||||||||||||||||||||||||
STMicroelectronics |
XOR GATE |
MILITARY |
NO LEAD |
14 |
DIE |
RECTANGULAR |
300k Rad(Si) |
UNSPECIFIED |
NO |
YES |
4 |
CMOS |
MIL-PRF-38535 Class V |
2 |
3 |
3.3/5 |
50 pF |
UNCASED CHIP |
DIE OR CHIP |
14 ns |
12 Amp |
Gate |
125 Cel |
-55 Cel |
UPPER |
R-XUUC-N14 |
6 V |
Qualified |
2 V |
AC |
||||||||||||||||||||
STMicroelectronics |
INVERTER |
MILITARY |
NO LEAD |
17 |
DIE |
RECTANGULAR |
300k Rad(Si) |
UNSPECIFIED |
YES |
6 |
CMOS |
MIL-PRF-38535 Class V |
1 |
3 |
UNCASED CHIP |
11 ns |
125 Cel |
-55 Cel |
UPPER |
R-XUUC-N17 |
6 V |
Qualified |
2 V |
AC |
||||||||||||||||||||||||||
STMicroelectronics |
INVERTER |
MILITARY |
NO LEAD |
14 |
DIE |
RECTANGULAR |
300k Rad(Si) |
UNSPECIFIED |
YES |
6 |
CMOS |
MIL-PRF-38535 Class V |
1 |
3 |
UNCASED CHIP |
16 ns |
125 Cel |
-55 Cel |
UPPER |
R-XUUC-N14 |
6 V |
Qualified |
2 V |
AC |
||||||||||||||||||||||||||
STMicroelectronics |
INVERTER |
MILITARY |
NO LEAD |
14 |
DIE |
RECTANGULAR |
300k Rad(Si) |
UNSPECIFIED |
YES |
6 |
CMOS |
MIL-PRF-38535 |
1 |
3 |
UNCASED CHIP |
16 ns |
125 Cel |
-55 Cel |
TIN LEAD |
UPPER |
R-XUUC-N14 |
6 V |
Not Qualified |
2 V |
e0 |
AC |
||||||||||||||||||||||||
STMicroelectronics |
INVERTER |
MILITARY |
NO LEAD |
14 |
DIE |
RECTANGULAR |
UNSPECIFIED |
YES |
6 |
CMOS |
MIL-PRF-38535 Class V |
1 |
5 |
UNCASED CHIP |
12.5 ns |
125 Cel |
-55 Cel |
UPPER |
R-XUUC-N14 |
5.5 V |
Qualified |
4.5 V |
ACT |
|||||||||||||||||||||||||||
STMicroelectronics |
AND GATE |
MILITARY |
NO LEAD |
14 |
DIE |
RECTANGULAR |
300k Rad(Si) |
UNSPECIFIED |
YES |
4 |
CMOS |
MIL-PRF-38535 Class V |
2 |
5 |
UNCASED CHIP |
9 ns |
125 Cel |
-55 Cel |
UPPER |
R-XUUC-N14 |
5.5 V |
Qualified |
4.5 V |
ACT |
||||||||||||||||||||||||||
STMicroelectronics |
OR GATE |
MILITARY |
NO LEAD |
14 |
DIE |
RECTANGULAR |
UNSPECIFIED |
YES |
4 |
CMOS |
MIL-PRF-38535 Class V |
2 |
5 |
UNCASED CHIP |
9 ns |
125 Cel |
-55 Cel |
UPPER |
R-XUUC-N14 |
5.5 V |
Qualified |
4.5 V |
ACT |
|||||||||||||||||||||||||||
STMicroelectronics |
NOR GATE |
MILITARY |
NO LEAD |
14 |
DIE |
RECTANGULAR |
UNSPECIFIED |
YES |
4 |
CMOS |
MIL-PRF-38535 |
2 |
3 |
UNCASED CHIP |
9 ns |
125 Cel |
-55 Cel |
UPPER |
R-XUUC-N14 |
6 V |
Not Qualified |
2 V |
AC |
|||||||||||||||||||||||||||
STMicroelectronics |
OR GATE |
MILITARY |
NO LEAD |
14 |
DIE |
RECTANGULAR |
UNSPECIFIED |
YES |
4 |
CMOS |
MIL-PRF-38535 Class V |
2 |
3 |
UNCASED CHIP |
12 ns |
125 Cel |
-55 Cel |
UPPER |
R-XUUC-N14 |
6 V |
Qualified |
2 V |
AC |
|||||||||||||||||||||||||||
STMicroelectronics |
NAND GATE |
MILITARY |
NO LEAD |
14 |
DIE |
RECTANGULAR |
300k Rad(Si) |
UNSPECIFIED |
YES |
4 |
CMOS |
MIL-PRF-38535 Class V |
2 |
5 |
UNCASED CHIP |
9.5 ns |
125 Cel |
-55 Cel |
UPPER |
R-XUUC-N14 |
5.5 V |
Qualified |
4.5 V |
ACT |
||||||||||||||||||||||||||
STMicroelectronics |
NOR GATE |
MILITARY |
NO LEAD |
14 |
DIE |
RECTANGULAR |
300k Rad(Si) |
UNSPECIFIED |
NO |
YES |
4 |
CMOS |
MIL-PRF-38535 Class V |
2 |
3 |
3.3/5 |
50 pF |
UNCASED CHIP |
DIE OR CHIP |
9 ns |
12 Amp |
Gate |
125 Cel |
-55 Cel |
TIN LEAD |
UPPER |
R-XUUC-N14 |
6 V |
Qualified |
2 V |
e0 |
AC |
||||||||||||||||||
STMicroelectronics |
INVERTER |
MILITARY |
NO LEAD |
17 |
DIE |
RECTANGULAR |
300k Rad(Si) |
UNSPECIFIED |
NO |
YES |
6 |
CMOS |
MIL-PRF-38535 Class V |
1 |
5 |
50 pF |
UNCASED CHIP |
10 ns |
50 Amp |
125 Cel |
-55 Cel |
UPPER |
R-XUUC-N17 |
5.5 V |
Qualified |
4.5 V |
ACT |
|||||||||||||||||||||||
STMicroelectronics |
AND GATE |
MILITARY |
NO LEAD |
14 |
DIE |
RECTANGULAR |
300k Rad(Si) |
UNSPECIFIED |
YES |
4 |
CMOS |
MIL-PRF-38535 Class V |
2 |
3 |
UNCASED CHIP |
12.5 ns |
125 Cel |
-55 Cel |
UPPER |
R-XUUC-N14 |
6 V |
Qualified |
2 V |
AC |
||||||||||||||||||||||||||
STMicroelectronics |
INVERTER |
MILITARY |
NO LEAD |
14 |
DIE |
RECTANGULAR |
UNSPECIFIED |
YES |
6 |
CMOS |
MIL-PRF-38535 |
1 |
3 |
UNCASED CHIP |
16 ns |
125 Cel |
-55 Cel |
UPPER |
R-XUUC-N14 |
6 V |
Not Qualified |
2 V |
AC |
|||||||||||||||||||||||||||
STMicroelectronics |
INVERTER |
MILITARY |
NO LEAD |
14 |
DIE |
RECTANGULAR |
300k Rad(Si) |
UNSPECIFIED |
YES |
YES |
6 |
CMOS |
MIL-PRF-38535 Class V |
1 |
3 |
3.3/5 |
50 pF |
UNCASED CHIP |
DIE OR CHIP |
16 ns |
12 Amp |
Gate |
125 Cel |
-55 Cel |
TIN LEAD |
UPPER |
R-XUUC-N14 |
6 V |
Qualified |
2 V |
e0 |
AC |
||||||||||||||||||
STMicroelectronics |
NOR GATE |
MILITARY |
NO LEAD |
14 |
DIE |
RECTANGULAR |
300k Rad(Si) |
UNSPECIFIED |
YES |
4 |
CMOS |
MIL-PRF-38535 |
2 |
3 |
UNCASED CHIP |
9 ns |
125 Cel |
-55 Cel |
TIN LEAD |
UPPER |
R-XUUC-N14 |
6 V |
Not Qualified |
2 V |
e0 |
AC |
||||||||||||||||||||||||
STMicroelectronics |
NOR GATE |
MILITARY |
NO LEAD |
14 |
DIE |
RECTANGULAR |
300k Rad(Si) |
UNSPECIFIED |
YES |
4 |
CMOS |
MIL-PRF-38535 Class V |
2 |
3 |
UNCASED CHIP |
9 ns |
125 Cel |
-55 Cel |
UPPER |
R-XUUC-N14 |
6 V |
Qualified |
2 V |
AC |
||||||||||||||||||||||||||
STMicroelectronics |
NAND GATE |
MILITARY |
NO LEAD |
20 |
DIE |
RECTANGULAR |
300k Rad(Si) |
UNSPECIFIED |
YES |
4 |
MIL-PRF-38535 Class V |
2 |
1.8 |
UNCASED CHIP |
5.5 ns |
125 Cel |
-55 Cel |
UPPER |
R-XUUC-N20 |
3.6 V |
Qualified |
1.65 V |
AHC/VHC/H/U/V |
|||||||||||||||||||||||||||
NXP Semiconductors |
XNOR GATE |
NO LEAD |
DIE |
UNSPECIFIED |
UNSPECIFIED |
YES |
4 |
CMOS |
2 |
5 |
UNCASED CHIP |
190 ns |
UPPER |
X-XUUC-N |
Not Qualified |
CONFIGURABLE AS QUAD 2:1 MUX |
4000/14000/40000 |
|||||||||||||||||||||||||||||||||
NXP Semiconductors |
XNOR GATE |
NO LEAD |
DIE |
UNSPECIFIED |
UNSPECIFIED |
YES |
4 |
CMOS |
2 |
5 |
UNCASED CHIP |
190 ns |
UPPER |
X-XUUC-N |
Not Qualified |
CONFIGURABLE AS QUAD 2:1 MUX |
4000/14000/40000 |
|||||||||||||||||||||||||||||||||
NXP Semiconductors |
NOR GATE |
AUTOMOTIVE |
NO LEAD |
DIE |
RECTANGULAR |
UNSPECIFIED |
YES |
4 |
2 |
10 |
UNCASED CHIP |
120 ns |
125 Cel |
-40 Cel |
UPPER |
R-XUUC-N |
15 V |
Not Qualified |
5 V |
4000/14000/40000 |
||||||||||||||||||||||||||||||
Renesas Electronics |
INVERTER |
MILITARY |
NO LEAD |
14 |
DIE |
RECTANGULAR |
200k Rad(Si) |
UNSPECIFIED |
YES |
6 |
CMOS |
MIL-PRF-38535 Class V |
1 |
5 |
UNCASED CHIP |
18 ns |
125 Cel |
OPEN-DRAIN |
-55 Cel |
UPPER |
R-XUUC-N14 |
5.5 V |
Not Qualified |
4.5 V |
HC/UH |
|||||||||||||||||||||||||
Renesas Electronics |
INVERTER |
MILITARY |
NO LEAD |
14 |
DIE |
UNSPECIFIED |
UNSPECIFIED |
YES |
6 |
CMOS |
1 |
5 |
50 pF |
UNCASED CHIP |
18 ns |
125 Cel |
-55 Cel |
UPPER |
X-XUUC-N14 |
5.5 V |
Not Qualified |
4.5 V |
HC/UH |
|||||||||||||||||||||||||||
Renesas Electronics |
AND GATE |
MILITARY |
NO LEAD |
14 |
DIE |
UNSPECIFIED |
UNSPECIFIED |
YES |
4 |
CMOS |
2 |
5 |
50 pF |
UNCASED CHIP |
12 ns |
125 Cel |
-55 Cel |
UPPER |
X-XUUC-N14 |
5.5 V |
Not Qualified |
4.5 V |
AC |
|||||||||||||||||||||||||||
Renesas Electronics |
XOR GATE |
MILITARY |
NO LEAD |
14 |
DIE |
UNSPECIFIED |
UNSPECIFIED |
YES |
4 |
CMOS |
2 |
5 |
50 pF |
UNCASED CHIP |
20 ns |
125 Cel |
-55 Cel |
UPPER |
X-XUUC-N14 |
5.5 V |
Not Qualified |
4.5 V |
HCT |
|||||||||||||||||||||||||||
|
Renesas Electronics |
NAND GATE |
NO LEAD |
14 |
DIE |
RECTANGULAR |
100k Rad(Si) |
UNSPECIFIED |
YES |
4 |
CMOS |
MIL-PRF-38535 Class V |
2 |
5 |
UNCASED CHIP |
20 ns |
MATTE TIN |
UPPER |
R-XUUC-N14 |
5.5 V |
Not Qualified |
4.5 V |
e3 |
HC/UH |
||||||||||||||||||||||||||
Renesas Electronics |
AND GATE |
MILITARY |
NO LEAD |
14 |
DIE |
RECTANGULAR |
200k Rad(Si) |
UNSPECIFIED |
YES |
3 |
CMOS |
3 |
5 |
UNCASED CHIP |
22 ns |
125 Cel |
-55 Cel |
TIN LEAD |
UPPER |
R-XUUC-N14 |
5.5 V |
Not Qualified |
4.5 V |
e0 |
HC/UH |
|||||||||||||||||||||||||
Renesas Electronics |
XOR GATE |
NO LEAD |
14 |
DIE |
RECTANGULAR |
100k Rad(Si) |
UNSPECIFIED |
YES |
4 |
CMOS |
MIL-PRF-38535 Class V |
2 |
5 |
UNCASED CHIP |
20 ns |
TIN LEAD |
UPPER |
R-XUUC-N14 |
5.5 V |
Not Qualified |
4.5 V |
e0 |
HC/UH |
|||||||||||||||||||||||||||
Renesas Electronics |
AND GATE |
NO LEAD |
14 |
DIE |
RECTANGULAR |
200k Rad(Si) |
UNSPECIFIED |
YES |
4 |
CMOS |
MIL-PRF-38535 Class V |
2 |
5 |
UNCASED CHIP |
20 ns |
UPPER |
R-XUUC-N14 |
5.5 V |
Not Qualified |
4.5 V |
NOT SPECIFIED |
NOT SPECIFIED |
HCT |
|||||||||||||||||||||||||||
Renesas Electronics |
NAND GATE |
MILITARY |
NO LEAD |
11 |
DIE |
UNSPECIFIED |
UNSPECIFIED |
YES |
1 |
CMOS |
8 |
5 |
50 pF |
UNCASED CHIP |
23 ns |
125 Cel |
-55 Cel |
UPPER |
X-XUUC-N11 |
5.5 V |
Not Qualified |
4.5 V |
HCT |
|||||||||||||||||||||||||||
Renesas Electronics |
INVERTER |
MILITARY |
NO LEAD |
14 |
DIE |
UNSPECIFIED |
UNSPECIFIED |
YES |
6 |
CMOS |
1 |
5 |
50 pF |
UNCASED CHIP |
18 ns |
125 Cel |
-55 Cel |
UPPER |
X-XUUC-N14 |
5.5 V |
Not Qualified |
4.5 V |
HC/UH |
|||||||||||||||||||||||||||
Renesas Electronics |
NOR GATE |
NO LEAD |
14 |
DIE |
RECTANGULAR |
200k Rad(Si) |
UNSPECIFIED |
YES |
4 |
CMOS |
MIL-PRF-38535 Class V |
2 |
5 |
UNCASED CHIP |
20 ns |
UPPER |
R-XUUC-N14 |
5.5 V |
Not Qualified |
4.5 V |
HCT |
|||||||||||||||||||||||||||||
Renesas Electronics |
NAND GATE |
NO LEAD |
14 |
DIE |
RECTANGULAR |
200k Rad(Si) |
UNSPECIFIED |
YES |
4 |
CMOS |
MIL-PRF-38535 Class V |
2 |
5 |
UNCASED CHIP |
20 ns |
UPPER |
R-XUUC-N14 |
5.5 V |
Not Qualified |
4.5 V |
HCT |
|||||||||||||||||||||||||||||
Renesas Electronics |
INVERTER |
MILITARY |
NO LEAD |
16 |
DIE |
UNSPECIFIED |
UNSPECIFIED |
YES |
6 |
CMOS |
1 |
5 |
UNCASED CHIP |
125 Cel |
-55 Cel |
UPPER |
X-XUUC-N16 |
5.5 V |
Not Qualified |
4.5 V |
ACT |
|||||||||||||||||||||||||||||
Renesas Electronics |
OR GATE |
NO LEAD |
14 |
DIE |
RECTANGULAR |
200k Rad(Si) |
UNSPECIFIED |
YES |
4 |
CMOS |
MIL-PRF-38535 Class V |
2 |
5 |
UNCASED CHIP |
20 ns |
UPPER |
R-XUUC-N14 |
5.5 V |
Not Qualified |
4.5 V |
NOT SPECIFIED |
NOT SPECIFIED |
HCT |
|||||||||||||||||||||||||||
|
Renesas Electronics |
NAND GATE |
NO LEAD |
14 |
DIE |
RECTANGULAR |
300k Rad(Si) |
UNSPECIFIED |
YES |
4 |
CMOS |
MIL-PRF-38535 Class V |
2 |
5 |
UNCASED CHIP |
15 ns |
OPEN-DRAIN |
MATTE TIN |
UPPER |
R-XUUC-N14 |
5.5 V |
Not Qualified |
4.5 V |
e3 |
AC |
|||||||||||||||||||||||||
|
Renesas Electronics |
OR GATE |
MILITARY |
NO LEAD |
14 |
DIE |
RECTANGULAR |
100k Rad(Si) |
UNSPECIFIED |
YES |
4 |
CMOS |
MIL-PRF-38535 Class V |
2 |
5 |
UNCASED CHIP |
22 ns |
125 Cel |
-55 Cel |
TIN |
UPPER |
R-XUUC-N14 |
5.5 V |
Not Qualified |
4.5 V |
e3 |
HC/UH |
|||||||||||||||||||||||
Renesas Electronics |
AND GATE |
MILITARY |
NO LEAD |
14 |
DIE |
UNSPECIFIED |
UNSPECIFIED |
YES |
4 |
CMOS |
2 |
5 |
50 pF |
UNCASED CHIP |
18 ns |
125 Cel |
-55 Cel |
UPPER |
X-XUUC-N14 |
5.5 V |
Not Qualified |
4.5 V |
HC/UH |
|||||||||||||||||||||||||||
Renesas Electronics |
INVERTER |
MILITARY |
NO LEAD |
14 |
DIE |
RECTANGULAR |
200k Rad(Si) |
UNSPECIFIED |
YES |
6 |
CMOS |
MIL-PRF-38535 Class V |
1 |
5 |
UNCASED CHIP |
26 ns |
125 Cel |
-55 Cel |
UPPER |
R-XUUC-N14 |
5.5 V |
Not Qualified |
4.5 V |
HCT |
Logic gates are electronic circuits that perform basic logical operations on one or more inputs to produce a single output. They are the building blocks of digital circuits and are used to implement digital logic functions, such as AND, OR, NOT, XOR, and NAND.
Logic gates are designed using various technologies, including transistor-transistor logic (TTL), complementary metal-oxide-semiconductor (CMOS), and field-programmable gate arrays (FPGAs). They can be classified into three main types based on their operation: combinational logic gates, sequential logic gates, and programmable logic gates.
Combinational logic gates are logic gates that produce an output based solely on the current input values. These gates include the AND gate, OR gate, NOT gate, XOR gate, and NAND gate. The output of a combinational logic gate depends on the input values and the logic function implemented by the gate.
Sequential logic gates are logic gates that have memory elements and can store information. These gates include the SR flip-flop, D flip-flop, JK flip-flop, and T flip-flop. The output of a sequential logic gate depends on the current input values and the previous state of the gate.
Programmable logic gates are logic gates that can be programmed to implement different logic functions. These gates include programmable logic arrays (PLAs), programmable array logic (PALs), and field-programmable gate arrays (FPGAs). Programmable logic gates can be reprogrammed to adapt to changing system requirements.
Logic gates are used in various applications, including digital signal processing, control systems, and memory systems. They are essential components of digital systems and can be found in many electronic devices, such as computers, mobile phones, and digital cameras.