參數資料
| 型號： | 74VHC112SJX |
| 廠商： | Fairchild Semiconductor |
| 文件頁數： | 1/9頁 |
| 文件大小： | 0K |
| 描述： | IC FLIP FLOP DUAL JK 16SOP |
| 標準包裝： | 2,000 |
| 系列： | 74VHC |
| 功能： | 設置（預設）和復位 |
| 類型： | JK 型 |
| 輸出類型： | 差分 |
| 元件數： | 2 |
| 每個元件的位元數： | 1 |
| 頻率 - 時鐘： | 200MHz |
| 延遲時間 - 傳輸： | 5.1ns |
| 觸發器類型： | 負邊沿 |
| 輸出電流高，低： | 8mA，8mA |
| 電源電壓： | 2 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-SOIC（0.209"，5.30mm 寬） |
| 包裝： | 帶卷 (TR) |
tm
74VHC112
Dual
J-K
Flip-Flops
with
Preset
and
Clear
May 2007
1995 Fairchild Semiconductor Corporation
www.fairchildsemi.com
74VHC112 Rev. 1.2
74VHC112
Dual J-K Flip-Flops with Preset and Clear
Features
■ High speed: fMAX = 200MHz (Typ.) at VCC = 5.0V
■ Low power dissipation: ICC = 2A (Max.) at TA = 25°C
■ High noise immunity: VNIH = VNIL = 28% VCC (Min.)
■ Power down protection is provided on all inputs
■ Pin and function compatible with 74HC112
General Description
The VHC112 is an advanced high speed CMOS device
fabricated with silicon gate CMOS technology. It
achieves the high-speed operation similar to equivalent
Bipolar Schottky TTL while maintaining the CMOS low
power dissipation.
The VHC112 contains two independent, high-speed JK
flip-flops with Direct Set and Clear inputs. Synchronous
state changes are initiated by the falling edge of the
clock. Triggering occurs at a voltage level of the clock
and is not directly related to transition time. The J and K
inputs can change when the clock is in either state with-
out affecting the flip-flop, provided that they are in the
desired state during the recommended setup and hold
times relative to the falling edge of the clock. The LOW
signal on PR or CLR prevents clocking and forces Q and
Q HIGH, respectively. Simultaneous LOW signals on PR
and CLR force both Q and Q HIGH.
An input protection circuit ensures that 0V to 7V can be
applied to the input pins without regard to the supply
voltage. This device can be used to interface 5V to 3V
systems and two supply systems such as battery
backup. This circuit prevents device destruction due to
mismatched supply and input voltages.
Ordering Information
Surface mount packages are also available on Tape and Reel. Specify by appending the suffix letter “X” to the
ordering number.
Order Number
Package
Number
Package Description
74VHC112M
M16A
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150" Narrow
74VHC112SJ
M16D
16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
74VHC112MTC
MTC16
16-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm
Wide
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