Manufacturer | Part # | Datasheet | Description |
 NXP Semiconductors |
HEF4520BP
|
64Kb/7P
|
Dual binary counter
January 1995
|
HEF4520BP
|
159Kb/14P
|
Tolerant of slow clock rise and fall times
Rev. 6-18 November 2011
|
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HEF4520B-Q100
|
184Kb/14P |
Dual binary counter
|
 NXP Semiconductors |
HEF4520BD
|
64Kb/7P |
Dual binary counter
January 1995 |
HEF4520BF
|
64Kb/7P |
Dual binary counter
January 1995 |
HEF4520BN
|
64Kb/7P |
Dual binary counter
January 1995 |
HEF4520BT
|
64Kb/7P |
Dual binary counter
January 1995 |
HEF4520BT
|
159Kb/14P |
Tolerant of slow clock rise and fall times
Rev. 6-18 November 2011 |
 Nexperia B.V. All right... |
HEF4520BT
|
219Kb/12P |
Dual binary counter
Rev. 8 - 1 March 2022 |
 NXP Semiconductors |
HEF4520BT-653
|
159Kb/14P |
Tolerant of slow clock rise and fall times
Rev. 6-18 November 2011 |
HEF4521B
|
159Kb/11P |
24-stage frequency divider and oscillator
January 1995 |
 Nexperia B.V. All right... |
HEF4521B
|
266Kb/15P |
24-stage frequency divider and oscillator
3 December 2021 |
 NXP Semiconductors |
HEF4521BD
|
159Kb/11P |
24-stage frequency divider and oscillator
January 1995 |
HEF4521BF
|
159Kb/11P |
24-stage frequency divider and oscillator
January 1995 |
HEF4521BN
|
159Kb/11P |
24-stage frequency divider and oscillator
January 1995 |
HEF4521BP
|
114Kb/17P |
24-stage frequency divider and oscillator
Rev. 05-5 November 2009 |
HEF4521BP
|
159Kb/11P |
24-stage frequency divider and oscillator
January 1995 |
HEF4521BT
|
159Kb/11P |
24-stage frequency divider and oscillator
January 1995 |
HEF4521BT
|
114Kb/17P |
24-stage frequency divider and oscillator
Rev. 05-5 November 2009 |
 Nexperia B.V. All right... |
HEF4521BT
|
266Kb/15P |
24-stage frequency divider and oscillator
3 December 2021 |