* 8 NOTES: 1. DIMENSIONS A" AND B" ARE DATUMS AND T" IS A DATUM SURFACE. 2. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 3. 4. CONTROLLING DIMENSION: MILLIMETER. DIMENSION A AND B DO NOT INCLUDE MOLD PROTRUSION. 5. MAXIMUM MOLD PROTRU
74LS197
Motorola
227.04 KB
4-stage presettable ripple counters.
4-STAGE PRESETTABLE RIPPLE COUNTERS
The SN54/74LS196 decade counter is partitioned into divide-by-two and divide-by-five sections which can be combine.
📁 Related Datasheet
74LS190 - Synchronous Up/Down Decade Counters
(Hitachi Semiconductor)
19.20 20.00 Max 16 9 7.40 Max 6.30
Unit: mm
1 1.3
1.11 Max
8
0.51 Min
2.54 Min 5.06 Max
7.62
2.54 ± 0.25
0.48 ± 0.10
0.25 – 0.05 0° – 15°
Hit.
74LS190 - PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS
(Motorola)
PRESETTABLE BCD/DECADE UP/DOWN COUNTERS PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS
The SN54 / 74LS190 is a synchronous UP/ DOWN BCD Decade (8421) Count.
74LS190 - Synchronous Up/Down Counter
(Texas Instruments)
SN54190, SN54191, SN54LS190, SN54LS191,
SN74190, SN74191, SN74LS190, SN74LS191 SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL
SDLS072 – DECEMB.
74LS191 - PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS
(Motorola)
PRESETTABLE BCD/DECADE UP/DOWN COUNTERS
PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS
The SN54 / 74LS190 is a synchronous UP/ DOWN BCD Decade (8421) Count.
74LS191 - Synchronous Up/Down 4-bit Binary Counters
(Hitachi Semiconductor)
19.20 20.00 Max 16 9 7.40 Max 6.30
Unit: mm
1 1.3
1.11 Max
8
0.51 Min
2.54 Min 5.06 Max
7.62
2.54 ± 0.25
0.48 ± 0.10
0.25 – 0.05 0° – 15°
Hit.
74LS191 - Synchronous 4-Bit Up/Down Counter
(Fairchild Semiconductor)
DM74LS191 Synchronous 4-Bit Up/Down Counter with Mode Control
August 1986 Revised February 1999
DM74LS191 Synchronous 4-Bit Up/Down Counter with Mod.
74LS191 - Synchronous Up/Down Counters
(Texas Instruments)
SN54190, SN54191, SN54LS190, SN54LS191,
SN74190, SN74191, SN74LS190, SN74LS191 SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL
SDLS072 – DECEMB.
74LS192 - PRESETTABLE BCD/DECADE UP/DOWN COUNTER
(HITACHI)
19.20 20.00 Max 16 9 7.40 Max 6.30
Unit: mm
1 1.3
1.11 Max
8
0.51 Min
2.54 Min 5.06 Max
7.62
2.54 ± 0.25
0.48 ± 0.10
0.25 – 0.05 0° – 15°
Hit.
