MC74F269 fully synchronous 8-stage up/down counter featuring preset ca

The Datasheet Archive - 100 Million Datasheets from 7500 Manufacturers.

MC74F269 fully synchronous 8-stage up/down counter featuring preset ca

Datasheet Thumbnail

Top Searches for this datasheet

MC74F269 8-BIT BIDIRECTIONAL BINARY COUNTER
MC74F269 fully synchronous 8-stage up/down counter featuring preset capability programmable operation, carry look-ahead easy cascading input control direction counting. state changes, whether counting parallel loading, initiated rising edge clock. Synchronous Counting Loading Built-In Lookahead Carry Capability Count Frequency Typical Supply Current Typical ASSIGNMENT
8-BIT BIDIRECTIONAL BINARY COUNTER
FASTSCHOTTKY
SUFFIX CERAMIC CASE 758-01
SUFFIX PLASTIC CASE 724-03
SUFFIX SOIC CASE 751E-03
ORDERING INFORMATION
MC74FXXXJ Ceramic MC74FXXXN Plastic MC74FXXXDW SOIC
GUARANTEED OPERATING RANGES
Symbol Supply Voltage Operating Ambient Temperature Range Output Current High Output Current Parameter -1.0 Unit
FAST DATA 4-138
MC74F269
FUNCTION TABLE
Inputs Operating Mode Parallel Load Count Count Down Hold Nothing Outputs Count Count Down
HIGH voltage level steady state HIGH voltage level set-up time prior LOW-to-HIGH clock transition voltage level steady state voltage level set-up time prior LOW-to-HIGH clock transition Don't care Lower case letters indicate state referenced output prior LOW-to-HIGH clock transition LOW-to-HIGH clock transition when counter Terminal Count. Terminal Count with outputs HIGH Terminal Count Down with outputs LOW.
CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (Unless otherwise specified)
Limits Symbol Parameter Output HIGH Voltage Output Voltage Input Clamp Diode Voltage Input HIGH Current Input Current Output Short Circuit Current (Note Total Supply Current (total) ICCH ICCL -150 0.35 -1.2 -1.0 Unit Test Conditions 4.75
MIN,
MAX, MAX, VOUT (Note (Note
NOTES: conditions shown MAX, appropriate value specified under guaranteed operating conditions applicable device type. more than output should shorted time, more than second. GND: GND:
FAST DATA 4-139
MC74F269
LOGIC DIAGRAM
DETAIL
DETAIL
DETAIL
DETAIL
DETAIL
DATA
DETAIL
CLOCK
DETAIL
DETAIL
DETAIL
FAST DATA 4-140
MC74F269
ELECTRICAL CHARACTERISTICS
+25°C +5.0 Symbol fMAX tPLH tPHL tPLH tPHL tPLH tPHL tPLH tPHL tPLH tPHL Parameter Maximum Clock Frequency Propagation Delay (Load) Propagation Delay (Count) HIGH Propagation Delay Propagation Delay Propagation Delay +70°C +5.0 ±10% 10.5 10.5 Unit
SETUP REQUIREMENTS
+25°C +5.0 Set-up Time, HIGH Hold Time, HIGH Set-up Time, HIGH Hold Time, HIGH Set-up Time, HIGH CET, Hold Time, HIGH CET, Set-up Time, HIGH Hold Time, HIGH Clock Pulse Width +70°C +5.0 ±10% Unit
Parameter Symbol ts(H) ts(L) th(H) th(L) ts(H) ts(L) th(H) th(L) ts(H) ts(L) th(H) th(L) ts(H) ts(L) th(H) th(L) tw(H) tw(L)
FAST DATA 4-141
MC74F269
TIMING DIAGRAM
LOAD
COUNT
INHIBIT
COUNT DOWN
FAST DATA 4-142

MC74F269 fully synchronous 8-stage up/down counter featuring preset ca

Top Searches for this datasheet

Other recent searches