/
74259.yaml
66 lines (66 loc) · 1.27 KB
/
74259.yaml
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---
description: 8-bit addressable latch
package: DIP
pincount: 16
family: "7400"
datasheet: "http://www.standardics.nxp.com/products/hc/datasheet/74hc259.74hct259.pdf"
pins:
- num: 1
sym: A0
desc: address input
- num: 2
sym: A1
desc: address input
- num: 3
sym: A2
desc: address input
- num: 4
sym: Q0
desc: latch output
- num: 5
sym: Q1
desc: latch output
- num: 6
sym: Q2
desc: latch output
- num: 7
sym: Q3
desc: latch output
- num: 8
sym: GND
desc: ground
- num: 9
sym: Q4
desc: latch output
- num: 10
sym: Q5
desc: latch output
- num: 11
sym: Q6
desc: latch output
- num: 12
sym: Q7
desc: latch output
- num: 13
sym: D
desc: data input
- num: 14
sym: ~LE
desc: latch enable input (active low)
- num: 15
sym: ~MR
desc: conditional reset input (active low)
- num: 16
sym: Vcc
desc: supply voltage
specs:
- param: Propagation delay, D to Qn
val: [18 (74HC), 20 (74HCT)]
unit: ns
- param: Propagation delay, An to Qn
val: [17 (74HC), 20 (74HCT)]
unit: ns
- param: Propagation delay, ~LE to Qn
val: [17 (74HC), 20 (74HCT)]
unit: ns
...