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MM74C192 Datasheet(PDF) 1 Page - Fairchild Semiconductor

Part No. MM74C192
Description  Synchronous 4-Bit Up/Down Decade Counter . Synchronous 4-Bit Up/Down Binary Counter
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Maker  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com

MM74C192 Datasheet(HTML) 1 Page - Fairchild Semiconductor

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© 1999 Fairchild Semiconductor Corporation
January 1991
Revised October 1999
MM74C192 • MM74C193
Synchronous 4-Bit Up/Down Decade Counter •
Synchronous 4-Bit Up/Down Binary Counter
General Description
The MM74C192 and MM74C193 up/down counters are
monolithic complementary MOS (CMOS) integrated cir-
cuits. The MM74C192 is a BCD counter, while the
MM74C193 is a binary counter.
Counting up and counting down is performed by two count
inputs, one being held high while the other is clocked. The
outputs change on the positive-going transition of this
These counters feature preset inputs that are set when
load is a logical “0” and a clear which forces all outputs to
“0” when it is at a logical “1”. The counters also have carry
and borrow outputs so that they can be cascaded using no
external circuitry.
s High noise margin:
1V guaranteed
s Tenth power TTL compatible: Drive 2 LPTTL loads
s Wide supply range: 3V to 15V
s Carry and borrow outputs for N-bit cascading
s Asynchronous clear
s High noise immunity: 0.45 VCC (typ.)
Ordering Code:
Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code.
Connection Diagram
Top View
Order Number
Package Number
Package Description
16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300” Wide
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150” Narrow
16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300” Wide

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