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74HC238D
74HC238; 74HCT238 3-to-8 line decoder/demultiplexer Rev. 4 — 27 January 2016 Product data sheet 1. General description The 74HC238; 74HCT238 decodes three binary weighted address inputs (A0, A1 and A2) to eight mutually exclusive outputs (Y0 to Y7). The device features three enable inputs (E1 and E2 and E3). Every output will be LOW unless E1 and E2 are LOW and E3 is HIGH. This multiple enable function allows easy parallel expansion to a 1-of-32 (5 to 32 lines) decoder with just four '238 ICs and one inverter. The '238 can be used as an eight output demultiplexer by using one of the active LOW enable inputs as the data input and the remaining enable inputs as strobes. Inputs include clamp diodes. This enables the use of current limiting resistors to interface inputs to voltages in excess of VCC. 2. Features and benefits Demultiplexing capability Multiple input enable for easy expansion Ideal for memory chip select decoding Active HIGH mutually exclusive outputs Multiple package options Complies with JEDEC standard no. 7A Input levels: For 74HC238: CMOS level For 74HCT238: TTL level ESD protection: HBM JESD22-A114F exceeds 2000 V MM JESD22-A115-A exceeds 200 V Specified from 40 C to +85 C and from 40 C to +125 C 3. Ordering information Table 1. Ordering information Type number Package Temperature range 74HC238D Name Description Version 40 C to +125 C SO16 plastic small outline package; 16 leads; body width 3.9 mm SOT109-1 40 C to +125 C SSOP16 plastic shrink small outline package; 16 leads; body width 5.3 mm SOT338-1 74HCT238D 74HC238DB 74HCT238DB
PHILIPS
2006年8月フィリップス社が半導体部門を投資家グループに売却しKASLION Acquisition B.V.の名称で法人化。2010年5月 社名を現在のNXPセミコンダクターズN.V.に変更。
NXP
NXP Semiconductors
オランダ
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