Overview
The CD74HC4538EX is a monostable Multivibrator made by Texas Instruments in a PDIP-16 package with 16 pins. -55℃~+125℃ 2 21ns 2V~6V 5.2mA 5.2mA 74HC Monostable Schmitt trigger PDIP-16 Monostable Multivibrators.
PCBKit's library has its KiCad symbol (4xxx:4538, from KiCad's library) and its footprint (Package_DIP:DIP-16_W8.89mm_SMDSocket_LongPads, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C3231694).
Symbol
Footprint
Parameters
9- Current - Output High(IOH)
- 5.2mA
- Current - Output Low(IOL)
- 5.2mA
- Input Type
- Schmitt Trigger
- Logic Family
- 74HC
- Logic Gate Type
- Monostable
- Number Of Channels
- 2
- Operating Temperature
- -55℃~+125℃
- Propagation Delay
- 21ns
- Voltage - Supply
- 2V~6V
Order codes
1- CD74HC4538EXLCSC C3231694
Pinout
16| Pin | Name | Type |
|---|---|---|
| 1 | Cx | Input |
| 2 | RxCx | Input |
| 3 | R | Input |
| 4 | Clk+ | Input |
| 5 | Clk- | Input |
| 6 | Q | Output |
| 7 | Q | Output |
| 8 | VSS | Power in |
| 9 | Q | Output |
| 10 | Q | Output |
| 11 | Clk- | Input |
| 12 | Clk+ | Input |
| 13 | R | Input |
| 14 | RxCx | Input |
| 15 | Cx | Input |
| 16 | VDD | Power in |
Show this part on your page
<iframe src="https://pcbkit.io/embed/parts/ti/CD74HC4538EX" title="CD74HC4538EX in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/ti/CD74HC4538EX.jpg" alt="CD74HC4538EX" width="1200" height="900">[](https://pcbkit.io/parts/ti/CD74HC4538EX)Questions
Is there a KiCad symbol and footprint for the CD74HC4538EX?
Yes. The symbol is 4xxx:4538 and the footprint Package_DIP:DIP-16_W8.89mm_SMDSocket_LongPads, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the CD74HC4538EX?
PDIP-16, with 16 pins. Its footprint is drawn on this page.
Where is the CD74HC4538EX datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the CD74HC4538EX?
JLCPCB lists it as part C3231694, with 0 in stock; the sellers' links on this page open their listings.
What can replace the CD74HC4538EX?
Parts like it in the library: the CD14538BE by Texas Instruments, the SN74HC123N(LX) by lingxingic, the SN74HC123N(XBLW) by XBLW and the CD74HC221E by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Parts like it
8
CD14538BE
DIP-16-55℃~+125℃ 100ns 100uA 2 3V~18V 4000B 6.8mA 6.8mA Complementary type Monostable Schmitt trigger DIP-16 Monostable Multivibrators ROHSTexas InstrumentsMonostable MultivibratorsSN74HC123N(LX)
DIP-16-40℃~+125℃ 2 2V~6V 30ns 4mA 74HC 8uA Monostable DIP-16 Monostable Multivibrators ROHSlingxingicMonostable MultivibratorsSN74HC123N(XBLW)
DIP-16-40℃~+125℃ 2 26ns 2V~6V 5.2mA 5.2mA 74HC 8uA Monostable Reset input、Adjustable pulse width、Retriggerable function DIP-16 Monostable Multivibrators ROHSXBLWMonostable MultivibratorsCD74HC221E
DIP-16DIP-16 Monostable Multivibrators ROHSTexas InstrumentsMonostable MultivibratorsCD4538BE(LX)
DIP-16-40℃~+125℃ 1.3mA 1.3mA 2 3V~12V 4000Series 85ns Complementary type Monostable Reset input、Adjustable pulse width、Dual edge triggering、Retriggerable function DIP-16 Monostable Multivibrators ROHSlingxingicMonostable MultivibratorsSN74LS123N(LX)
DIP-16-40℃~+125℃ 2 24ns 2V~6V 5.2mA 5.2mA 74LS 8uA Monostable DIP-16 Monostable Multivibrators ROHSlingxingicMonostable MultivibratorsTC74HC123APNEWF
DIP-16-40℃~+85℃ 16ns 2 2V~6V 5.2mA 5.2mA 74HC Monostable Schmitt trigger DIP-16 Monostable Multivibrators ROHSToshibaMonostable MultivibratorsXD14538
DIP-16-40℃~+85℃ 100ns 2 3V~18V Monostable DIP-16 Monostable Multivibrators ROHSXINLUDAMonostable Multivibrators