QUAD 2-INPUT NAND BUFFER
Description
7426 54LS/74LS26
QUAD 2-INPUT NAND BUFFER
(W ith O p en-C o llecto r Outputs)
26
CONNECTION DIAGRAM PINOUT A
ORDERING CODE: See Section 9
PKGS
PIN OUT
COMMERCIAL GRADE
Vcc = +5.
0 V ±5%, Ta = 0°C to +70° C
MILITARY GRADE
Vcc = +5.
0 V ±10%, Ta = -55° C to +125° C
PKG TYPE
Plastic DIP (P)
A 7426PC, 74LS26PC
9A
Ceramic DIP (D)
A 7426DC, 74LS26DC
54LS26DM
6A
Flatpak (F)
A 7426FC, 74LS26FC
54LS26FM
3I
INPUT LOADING/FAN-OUT: See Section 3 for U.
L.
definitions
PINS
54/74 (U.
L.
) HIGH/LOW
54/74LS (U.
L.
) HIGH/LOW
O O ” *■ oo
Inputs Outputs
0.
5/0.
25 OC**/5.
0
(2.
5)
DC AND AC CHARACTERISTICS: See Section 3*
SYMBOL
PARAMETER
54/74 54/74LS UNITS Min Max Min Max
lOH
Output HIGH Current
50 1000
50
mA
1000
ICCH
ICCL tPLH tPHL
Power Supply Current Propagation Delay
8.
0
1.
6 mA
22
4.
4
24 17
22 18
ns
*DC limits apply over operating temperature range; AC limits apply at Ta = +25° C and Vcc = +5.
0 V.
**O C — Open Collector
CONDITIONS
VOH =1 2 V Voh = 1 5 V Vin = Gnd Vin = Open
Figs.
3-2, 3-4
Vcc = Min Vin = Vil
Vcc = Max
...
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