| CD4538B |  | Unknown | The CMOS Device Manual (Japanese) 1993 | Scan | PDF | 30.16KB | 1 | 
| CD4538BC |  | Fairchild Semiconductor | Dual Precision Monostable | Original | PDF | 136.09KB | 11 | 
| CD4538BC |  | Fairchild Semiconductor | Dual Precision Monostable | Original | PDF | 138.31KB | 11 | 
| CD4538BC |  | Fairchild Semiconductor | Dual Precision Monostable | Original | PDF | 138.39KB | 11 | 
| CD4538BC |  | National Semiconductor | Dual Precision Monostable | Original | PDF | 241.52KB | 10 | 
| CD4538BCCW |  | Fairchild Semiconductor | Dual Precision Monostable | Original | PDF | 136.08KB | 11 | 
| CD4538BCM |  | Fairchild Semiconductor | Dual Precision Monostable Multivibrator | Original | PDF | 138.32KB | 11 | 
| CD4538BCM |  | Fairchild Semiconductor | Dual Precision Monostable | Original | PDF | 136.09KB | 11 | 
| CD4538BCM |  | Fairchild Semiconductor | Dual Precision Monostable | Scan | PDF | 259.7KB | 11 | 
| CD4538BCM_NL |  | Fairchild Semiconductor | Dual Precision Monostable | Original | PDF | 138.3KB | 11 | 
| CD4538BCMX |  | Fairchild Semiconductor | Dual Precision Monostable | Original | PDF | 138.32KB | 11 | 
| CD4538BCMX_NL |  | Fairchild Semiconductor | Dual Precision Monostable | Original | PDF | 138.31KB | 11 | 
| CD4538BCN |  | Fairchild Semiconductor | Dual Precision Monostable | Original | PDF | 138.32KB | 11 | 
| CD4538BCN |  | Fairchild Semiconductor | Dual Precision Monostable | Original | PDF | 136.09KB | 11 | 
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| CD4538BCN |  | Fairchild Semiconductor | Dual Precision Monostable | Scan | PDF | 259.7KB | 11 | 
| CD4538BCN |  | Unknown | Historical semiconductor price guide (US$ - 1998). From our catalog scanning project. | Historical | PDF | 40.24KB | 1 | 
| CD4538BCN_NL |  | Fairchild Semiconductor | Dual Precision Monostable | Original | PDF | 138.3KB | 11 | 
| CD4538BCNX |  | Fairchild Semiconductor | Dual Precision Monostable | Original | PDF | 138.32KB | 11 | 
| CD4538BCWM |  | Fairchild Semiconductor | Dual Precision Monostable | Original | PDF | 138.32KB | 11 | 
| CD4538BCWM |  | Fairchild Semiconductor | Dual Precision Monostable | Original | PDF | 136.09KB | 11 |